Michael J. Derosa, M.D.
Obstetrics & Gynecology Physician · Saint Louis, MO
Michael J. Derosa, M.D. is an obstetrics & gynecology physician with a practice address in Saint Louis, Missouri, and NPI 1568499283, issued on Jun 27, 2006. Check the license (Missouri R1F40, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Michael J. Derosa
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- R1F40 MO
Self-reported in NPPES; status is on the state search - Practice location
- 621 S New Ballas RD, Saint Louis, MO 63141
- Phone
- (314) 569-2751
- Enumerated
- Jun 27, 2006
- Record last updated
- Jul 17, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (314) 569-2986
- Medicaid ID
- 203028006 MO
- Medicare enrollment
- Enrolled (PECOS I20050103000323); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 902 in Missouri → Look up another NPI →
Also registered at 621 S New Ballas RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shilpa Agashe, MDInternal Medicine Physician1710066212
- Christoper Ahlering, M.D.Obstetrics & Gynecology Physician1760419485
- Sarah Alander, MDPediatric Emergency Medicine (Emergency Medicine) Physician1891893764
- Tara Albert, CPNPPediatric Nurse Practitioner1124294764
- Muhammad Ali, M.D.Geriatric Medicine (Internal Medicine) Physician1790986024
- Henry Altepeter, M.D.Specialist1992792295
Verify Michael J. Derosa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R1F40Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
151 Medicare Part D claims for 49 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Estradiol36 claims
- Valacyclovir13 claims
- Yuvafem11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $333.86
16 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mercy Clinic East CommunitiesSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael J. Derosa among 902 obstetrics & gynecology physician records in Missouri
Michael J. Derosa, M.D. is one of 902 obstetrics & gynecology physician records with a practice address in Missouri. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 54% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1984 · median 2007 among the 528 with a school on file
- Record last updated2019 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
332 obstetrics & gynecology physician records list a practice address in Saint Louis
They are 332 of the 27,605 NPPES records with a practice address in Saint Louis, and 902 obstetrics & gynecology physician records in Missouri.
All 902 in Missouri → Every provider in Saint Louis → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Robert Bale, M.D.Saint Louis, MO 631411477520823
- Adriena Beatty, D.O.Saint Louis, MO 631411043260979
- Robert Becker, MDSaint Louis, MO 631411609869239
- Kathryn Botney, M.D.Saint Louis, MO 631411003883430
- Alampur Kumari, M.D.Saint Louis, MO 631411760459424
- Carolyn Martin, M.D.Saint Louis, MO 631411669465134
- Marsha McBride, M.D.Saint Louis, MO 631411538136890
- Daniel McNeive, M.D.Saint Louis, MO 631411134194830
Common questions
What is Michael J. Derosa, M.D.'s NPI number?
Michael J. Derosa, M.D.'s National Provider Identifier (NPI) is 1568499283, issued on Jun 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael J. Derosa, M.D. located?
The NPPES record lists a practice address at 621 S New Ballas RD, Saint Louis, MO, 63141. Phone: (314) 569-2751. Providers update this record themselves, so call before visiting.
How can I verify Michael J. Derosa, M.D.'s license?
NPPES lists Missouri license number R1F40, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Michael J. Derosa, M.D. prescribe under Medicare Part D?
In 2024, Michael J. Derosa, M.D. had 151 Medicare Part D claims for 49 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.