Robert Lewis Kaufmann, M.D.
Internal Medicine Physician · Frederick, MD
Robert Lewis Kaufmann, M.D. is an internal medicine physician with a practice address in Frederick, Maryland, and NPI 1205817384, issued on Nov 7, 2005. Check the license (Maryland D13971, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Robert Lewis Kaufmann
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- D13971 MD
D0013971 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1562 Opossumtown Pike, Frederick, MD 21702
- Phone
- (301) 662-8119
- Enumerated
- Nov 7, 2005
- Record last updated
- Jul 30, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 004631100 MD
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 1562 Opossumtown Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert Lewis Kaufmann in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D13971Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average internal medicine physician in 2024
427 Medicare Part D claims for 180 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium51 claims
- Atorvastatin Calcium27 claims
- Amlodipine Besylate24 claims
- Rosuvastatin Calcium23 claims
- Lisinopril19 claims
- Losartan Potassium15 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $44.16
2 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Robert Lewis Kaufmann among 3,904 internal medicine physician records in Maryland
Robert Lewis Kaufmann, M.D. is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2019 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
59 internal medicine physician records list a practice address in Frederick
They are 59 of the 3,981 NPPES records with a practice address in Frederick, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Frederick → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Darrell Apple, M.D.Frederick, MD 217021326024407
- Susan Brinkley, M.D.Frederick, MD 217021184648198
- Julian Choe, M.D.Frederick, MD 217021528001203
- Andrew Donelson, M.D.Frederick, MD 217021518996495
- Richard Hill, MDFrederick, MD 217021477560944
- Kevin Leary, M.D.Frederick, MD 217021841248861
- Narayan Nair, M.D.Frederick, MD 217021518912724
- Belle Neri-Aquino, M.D.Frederick, MD 217021568451474
Common questions
What is Robert Lewis Kaufmann, M.D.'s NPI number?
Robert Lewis Kaufmann, M.D.'s National Provider Identifier (NPI) is 1205817384, issued on Nov 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert Lewis Kaufmann, M.D. located?
The NPPES record lists a practice address at 1562 Opossumtown Pike, Frederick, MD, 21702. Phone: (301) 662-8119. Providers update this record themselves, so call before visiting.
How can I verify Robert Lewis Kaufmann, M.D.'s license?
NPPES lists Maryland license number D13971, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Lewis Kaufmann, M.D. prescribe under Medicare Part D?
In 2024, Robert Lewis Kaufmann, M.D. had 427 Medicare Part D claims for 180 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Robert Lewis Kaufmann, M.D.'s MIPS final score?
The 2023 MIPS final score is 80.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.