NPPES file of Aug 9, 2026

Ann Marie S. Rockamann, M.D.

Obstetrics & Gynecology Physician · Saint Louis, MO

Ann Marie S. Rockamann, M.D. is an obstetrics & gynecology physician with a practice address in Saint Louis, Missouri, and NPI 1013943406, issued on Jun 25, 2006. Check the license (Missouri 103120, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013943406
Name
Ann Marie S. Rockamann
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
103120 MO
Self-reported in NPPES; status is on the state search
Practice location
3023 N Ballas RD Ste 600D, Saint Louis, MO 63131
Phone
(314) 996-4880
Enumerated
Jun 25, 2006
Record last updated
Oct 13, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20050103000517); accepts Medicare assignment
Medical or professional school
Saint Louis University School Of Medicine, 1991
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3023 N Ballas RD Ste 600D

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Erica Banes, WHNPWomen's Health Nurse Practitioner1437300555
  2. Kimberly Coleman, WHNPWomen's Health Nurse Practitioner1306053087
  3. Laurie Klabi, M.D.Gynecology Physician1326074907
  4. Margaret Rempe, M.D.Gynecology Physician1891721155

Verify Ann Marie S. Rockamann in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 103120
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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53% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

77 Medicare Part D claims for 37 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Ann Marie Rockamann77
  2. Specialty average165

Most prescribed

  1. Estradiol18 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: $430.15

21 payments; by number, the most common kind was food and beverage; the largest payer was Evofem Biosciences, 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.

  1. Ann Marie Rockamann$430.15
  2. Specialty average$1,030.61

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

  1. Physician Groups LCSaint Louis, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ann Marie S. Rockamann among 902 obstetrics & gynecology physician records in Missouri

Ann Marie S. Rockamann, 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
  • Graduated1991 · median 2007 among the 528 with a school on file
  • Record last updated2021 · 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.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Nusrat Ahmad, MDSaint Louis, MO 631311114966348
  2. John Anstey, M.D.Saint Louis, MO 631311669470878
  3. Michael Chen, M.D.Saint Louis, MO 631311023056355
  4. Frederick Durer, M.D.Saint Louis, MO 631311982601027
  5. Julia Hoffman, MDSaint Louis, MO 631311477585669
  6. Mark Jostes, MDSaint Louis, MO 631311477518595
  7. Jacob Klein, MDSt Louis, MO 631311194780213
  8. Claudia Krasnoff, MDSaint Louis, MO 631311245294081

Common questions

What is Ann Marie S. Rockamann, M.D.'s NPI number?

Ann Marie S. Rockamann, M.D.'s National Provider Identifier (NPI) is 1013943406, issued on Jun 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ann Marie S. Rockamann, M.D. located?

The NPPES record lists a practice address at 3023 N Ballas RD Ste 600D, Saint Louis, MO, 63131. Phone: (314) 996-4880. Providers update this record themselves, so call before visiting.

How can I verify Ann Marie S. Rockamann, M.D.'s license?

NPPES lists Missouri license number 103120, 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 Ann Marie S. Rockamann, M.D. prescribe under Medicare Part D?

In 2024, Ann Marie S. Rockamann, M.D. had 77 Medicare Part D claims for 37 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.