Registry data as of Aug 27, 2026

Nathan Frogge, MD

Internal Medicine Physician · Saint Louis, MO

Nathan Frogge, MD is an internal medicine physician with a practice address in Saint Louis, Missouri, and NPI 1982017943, issued on Jun 7, 2014. Check the license (Missouri 2018001300, 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
1982017943
Name
Nathan Frogge
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
2018001300 MO
Self-reported in NPPES; status is on the state search
Practice location
1020 N Mason RD, Saint Louis, MO 63141
Phone
(314) 362-1291
Enumerated
Jun 7, 2014
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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Also registered at 1020 N Mason RD

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

  1. Meghan Bezaire, FNPFamily Nurse Practitioner1952828584
  2. Neil Ermitano, DPMPodiatrist1649620634
  3. Farhan Katchi, MDInternal Medicine Physician1396031225
  4. Kory Lavine, MDAdvanced Heart Failure and Transplant Cardiology Physician1295990315
  5. Christian McNeely, MDNuclear Cardiology Physician1720469851
  6. Mark Milunski, MDInternal Medicine Physician1255338893

Verify Nathan Frogge 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 2018001300
    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.

34% more Medicare Part D claims than the average internal medicine physician in 2024

3,731 Medicare Part D claims for 558 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Nathan Frogge3,731
  2. Specialty average2,785

Most prescribed

  1. Metoprolol Succinate463 claims
  2. Atorvastatin Calcium413 claims
  3. Spironolactone295 claims
  4. Furosemide258 claims
  5. Eliquis204 claims
  6. Amlodipine Besylate188 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: $2,153.23

36 payments, mostly food and beverage; the largest payer was Medtronic, Inc.. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nathan Frogge$2,153.23
  2. Specialty average$2,536.66

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Washington UniversitySaint Louis, MO

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

1,363 internal medicine physician records list a Saint Louis practice address

They are 1,363 of the 27,605 NPPES records with a Saint Louis practice address, and 3,392 internal medicine physician records in Missouri.

Other internal medicine physician records in Missouri

  1. Betty Abban, M.D.Springfield, MO1063893162
  2. Amer Abbas, MDSaint Louis, MO1508480666
  3. Marghoob Abbas, M.D.St Joseph, MO1588603781
  4. Muhammad Khalid Abbas, M.D.Springfield, MO1447877089
  5. Sundas Abbas, MDRichmond Heights, MO1649790486
  6. Hajira Abbasi, DOSaint Louis, MO1194036947
  7. Mohammed Abbasi, MDSaint Louis, MO1497097083
  8. Catey Abbott, DOSaint Louis, MO1699355347
  9. David Abbott, MDRichmond Heights, MO1568448850
  10. Ramzi Abboud, MDSaint Louis, MO1649684200

Common questions

What is Nathan Frogge, MD's NPI number?

Nathan Frogge, MD's National Provider Identifier (NPI) is 1982017943, issued on Jun 7, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Nathan Frogge, MD located?

The NPPES record lists a practice address at 1020 N Mason RD, Saint Louis, MO, 63141. Phone: (314) 362-1291. Providers update this record themselves, so call before visiting.

How can I verify Nathan Frogge, MD's license?

NPPES lists Missouri license number 2018001300, 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 Nathan Frogge, MD prescribe under Medicare Part D?

In 2024, Nathan Frogge, MD had 3,731 Medicare Part D claims for 558 beneficiaries; the average among internal medicine physician prescribers was 2,785. 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.