Registry data as of Aug 27, 2026

Mark Greenberg, M.D.

Pediatrics Physician · Frontenac, MO

Mark Greenberg, M.D. is a pediatrics physician with a practice address in Frontenac, Missouri, and NPI 1043219967, issued on Jul 21, 2005. Check the license (Missouri R7G09, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1043219967
Name
Mark Greenberg
Credential
M.D.
Primary taxonomy
Pediatrics Physician 208000000X
License numbers
R7G09 MO
21921 AZ
Self-reported in NPPES; status is on the state search
Practice location
585 Twin Fawns Dr, Frontenac, MO 63131
Phone
(602) 561-0367
Enumerated
Jul 21, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Mark Greenberg 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 R7G09
    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.

99% fewer Medicare Part D claims than the average pediatrics physician in 2024

11 Medicare Part D claims, against an average of 818 among the 8,211 providers of this specialty who prescribed in Part D.

  1. Mark Greenberg11
  2. Specialty average818

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.

1 pediatrics physician records list a Frontenac practice address

They are 1 of the 31 NPPES records with a Frontenac practice address, and 2,066 pediatrics physician records in Missouri.

Other pediatrics physician records in Missouri

  1. Joanna Abaraoha, MDSt Louis, MO1487396537
  2. Sol Abarca Acevedo, M.D.Kansas City, MO1881482800
  3. Mohamed Abdelbaki, MDSaint Louis, MO1508021361
  4. Ruba Abdelhadi, MDKansas City, MO1184824179
  5. Elaf AbdelmagidSaint Louis, MO1831077627
  6. Mohamed Aashiq Abdul Ghayum, M.D.Kansas City, MO1881211985
  7. Abdul-Azeez Abdullahi, MDColumbia, MO1013561158
  8. Manjusha Abraham, MDSaint Louis, MO1508126699
  9. Moh'd Rawhi Abu Hamad, MDSaint Louis, MO1639741218
  10. Kennison Adams, MDKansas City, MO1447000567

Common questions

What is Mark Greenberg, M.D.'s NPI number?

Mark Greenberg, M.D.'s National Provider Identifier (NPI) is 1043219967, issued on Jul 21, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark Greenberg, M.D. located?

The NPPES record lists a practice address at 585 Twin Fawns Dr, Frontenac, MO, 63131. Phone: (602) 561-0367. Providers update this record themselves, so call before visiting.

How can I verify Mark Greenberg, M.D.'s license?

NPPES lists Missouri license number R7G09, 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 Mark Greenberg, M.D. prescribe under Medicare Part D?

In 2024, Mark Greenberg, M.D. had 11 Medicare Part D claims; the average among pediatrics physician prescribers was 818. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.