DanielISprattMD

Endocrinology • Portland, ME

Diabetes, Lipid Metabolism

Physician

Join to view full profile

Dr. Spratt is on Doximity

As a Doximity member you'll join over two million verified healthcare professionals in a private, secure network.

Connect with other colleagues in the same hospital or clinic
Search all U.S. specialist profiles and refer a patient
Read the latest clinical news and earn CME/CEU credits

See Dr. Spratt's full profile

Already have an account?

Office
887 Congress St
Suite 200
Portland, ME 04102
Phone+1 207-771-5549

Fax+1 207-771-7834
Is this information wrong?

Education & Training

Massachusetts General HospitalFellowship, Endocrinology, Diabetes, and Metabolism, 1982 - 1985
Stanford Health Care-Sponsored Stanford UniversityFellowship, Endocrinology, Diabetes, and Metabolism, 1980 - 1981
Santa Clara Valley Medical CenterResidency, Internal Medicine, 1978 - 1980
University of Michigan Medical SchoolClass of 1977

Certifications & Licensure

CA State Medical License 1979 - Present
ME State Medical License 1986 - 2025
American Board of Internal Medicine Internal Medicine
American Board of Internal Medicine Endocrinology, Diabetes and Metabolism

Publications & Presentations

PubMed

8 citations
COVID-19 and Hypercoagulability: Potential Impact on Management with Oral Contraceptives, Estrogen Therapy and Pregnancy.
Daniel I. Spratt, Rachel J. Buchsbaum> ;Endocrinology. 2020 Dec 1
12 citations
Efficacy of Sex Steroid Therapy Without Progestin or GnRH Agonist for Gonadal Suppression in Adult Transgender Patients.
India I Pappas, Wendy Y. Craig, Lindsey V Spratt, Daniel I. Spratt> ;The Journal of Clinical Endocrinology and Metabolism. 2021 Mar 8
1 citations
Aromatase blockade is associated with increased mortality in acute illness in male mice.
Jeannette Connerney, Daniel I. Spratt> ;Journal of the Endocrine Society. 2017 Jul 14
14 citations
Serum Testosterone Concentrations Remain Stable Between Injections in Patients Receiving Subcutaneous Testosterone.
Julie B. McFarland, Wendy Y. Craig, Nigel J. Clarke, Daniel I. Spratt> ;Journal of the Endocrine Society. 2017 Jul 21
59 citations
Subcutaneous Injection of Testosterone Is an Effective and Preferred Alternative to Intramuscular Injection: Demonstration in Female-to-Male Transgender Patients.
Daniel I. Spratt, India I Stewart, Clara Savage, Wendy Y. Craig, Norman P. Spack, Donald Walt Chandler, Lindsey V Spratt, Toni Eimicke, Jerrold S. Olshan> ;The Journal of Clinical Endocrinology and Metabolism. 2017 Jul 1
Editorial Comment
Daniel Spratt, MD> ;The Journal of Urology. 2017 Jan 18
8 citations
Gonadotropin-releasing hormone agonist use to guide diagnosis and treatment of autoimmune progesterone dermatitis.
Amy Domeyer-Klenske, Diana Robillard, John Pulvino, Daniel Spratt> ;Obstetrics and Gynecology. 2015 May 1
4 citations
Adrenal insufficiency in a woman secondary to standard-dose inhaled fluticasone propionate therapy.
Casey M Hay, Daniel I. Spratt> ;Endocrinology, Diabetes & Metabolism Case Reports. 2014 Jan 1
70 citations
Mid-Gestational Maternal Free Thyroxine Concentration and Offspring Neurocognitive Development at Age Two Years
Wendy Y. Craig, Walter C. Allan, Edward M. Kloza, Andrea Pulkkinen, Susan E. Waisbren, Daniel I. Spratt, Glenn E. Palomaki, Louis M. Neveux, James E. Haddow> ;The Journal of Clinical Endocrinology and Metabolism. 2012 Jan 1
36 citations
Stimulation of spermatogenesis with recombinant human follicle-stimulating hormone (follitropin alfa; GONAL-f®): long-term treatment in azoospermic men with hypogonado...
Alvin M. Matsumoto, Peter J. Snyder, Shalender Bhasin, Kathryn A. Martin, Thomas Weber, Stephen J. Winters, Daniel I. Spratt, J Brentzel, Louis St. L. O’Dea> ;Fertility and Sterility. 2009 Sep 1
15 citations
Characterization of a prospective human model for study of the reproductive hormone responses to major illness
Daniel I. Spratt, Robert S. Kramer, F. Lee Lucas, Karen Becker, Christopher Longcope, Jeremy R. Morton> ;American Journal of Physiology. Endocrinology and Metabolism. 2008 Jul 1
20 citations
Identifying meaningful differences in vasomotor symptoms among menopausal women.
Kathleen W. Wyrwich, Daniel I. Spratt, Margery Gass, Holly Yu, Joel Bobula> ;Menopause. 2008 Jul 1
15 citations
Physiological effects of nonthyroidal illness syndrome in patients after cardiac surgery.
Daniel I. Spratt, M. Frohnauer, H. Cyr-Alves, Robert S. Kramer, F. L. Lucas, David F. Cox, Karen Becker, J. T. Devlin, Jeremy R. Morton> ;American Journal of Physiology. Endocrinology and Metabolism. 2007 Jul 1
65 citations
Increases in Serum Estrogen Levels During Major Illness are Caused by Increased Peripheral Aromatization
Daniel I. Spratt, Robert S. Kramer, Sara W. Mayo, Christopher Longcope, Calvin P.H. Vary, Jeremy R. Morton> ;American Journal of Physiology. Endocrinology and Metabolism. 2006 Sep 1
38 citations
Altered gonadal steroidogenesis in critical illness: is treatment with anabolic steroids indicated?
Daniel I. Spratt> ;Best Practice & Research. Clinical Endocrinology & Metabolism. 2001 Dec 1
21 citations
Kt/V, Nutritional Parameters, Serum Cortisol, and Insulin Growth Factor-1 Levels and Patient Outcome in Hemodialysis
Jonathan Himmelfarb, Diane Holbrook, Ellen McMonagle, Rosalind Robinson, Linda Nye, Daniel I. Spratt> ;American Journal of Kidney Diseases. 1994 Sep 1
49 citations
Differential changes in serum concentrations of androgens and estrogens (in relation with cortisol) in postmenopausal women with acute illness
Daniel I. Spratt, C Longcope, P Cox, S T Bigos, C Wilbur-Welling> ;The Journal of Clinical Endocrinology and Metabolism. 1993 Jun 1
119 citations
Reproductive axis suppression in acute illness is related to disease severity.
Daniel I. Spratt, P Cox, J Orav, J Moloney, T Bigos> ;The Journal of Clinical Endocrinology and Metabolism. 1993 Jun 1
71 citations
Both hyper- and hypogonadotropic hypogonadism occur transiently in acute illness: bio- and immunoactive gonadotropins.
Daniel I. Spratt, S T Bigos, I Beitins, P Cox, C Longcope, J Orav> ;The Journal of Clinical Endocrinology and Metabolism. 1992 Dec 1
9 citations
Serum estradiol but not gonadotropin levels decrease acutely after insulin-induced hypoglycemia in cycling women.
Robert G. Bing-You, Daniel I. Spratt> ;The Journal of Clinical Endocrinology and Metabolism. 1992 Oct 1
66 citations
Osteopenia in women with hypothalamic amenorrhea: a prospective study.
Beverly M. K. Biller, J. F. Coughlin, Velia Saxe, David A. Schoenfeld, Daniel I. Spratt, Anne Klibanski> ;Obstetrics and Gynecology. 1991 Dec 1
18 citations
Vulvar leiomyomatosis in a patient with esophagogastric leiomyomatosis: review of the syndrome.
Kenneth Faber, Michael A. Jones, Daniel I. Spratt, Hector M. Tarraza> ;Gynecologic Oncology. 1991 Apr 1
46 citations
Insulin-like growth factor-II in nonislet cell tumors associated with hypoglycemia: increased levels of messenger ribonucleic acid.
William L. Lowe, Charles T. Roberts, Derek LeRoith, Maria Rojeski, Thomas J. Merimee, Serge Teng Fui, Harry Keen, D. R. Arnold, James H. Mersey, Sheldon Gluzman, Danie...> ;The Journal of Clinical Endocrinology and Metabolism. 1989 Dec 1
17 citations
Pulsatile gonadotropin secretion after discontinuation of long term gonadotropin-releasing hormone (GnRH) administration in a subset of GnRH-deficient men.
Joel S. Finkelstein, Daniel I. Spratt, Louis St. L. O’Dea, Randall W. Whitcomb, Anne Klibanski, David A. Schoenfeld, William F. Crowley> ;The Journal of Clinical Endocrinology and Metabolism. 1989 Aug 1
29 citations
Effects of decreasing the frequency of gonadotropin-releasing hormone stimulation on gonadotropin secretion in gonadotropin-releasing hormone-deficient men and perifus...
Joel S. Finkelstein, Thomas M. Badger, Louis St. L. O’Dea, Daniel I. Spratt, William F. Crowley> ;The Journal of Clinical Investigation. 1988 Jun 1
Join now to see all

Lectures

Modulation of the HPG Axis in the Female
ENDO 2019 - New Orleans, LA - 3/26/2019

Professional Memberships

Endocrine Society - ENDO
Member

Hospital Affiliations

Maine Medical CenterPortland, Maine