Registry data as of Aug 27, 2026

Charles Karesh, M.D.

Internal Medicine Physician · Germantown, MD

Charles Karesh, M.D. is an internal medicine physician with a practice address in Germantown, Maryland, and NPI 1497881619, issued on Feb 23, 2007. Check the license on the Maryland Board of Physicians; 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
1497881619
Name
Charles Karesh
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
20410 Observation Dr 210, Germantown, MD 20876
Phone
(301) 869-9776
Enumerated
Feb 23, 2007
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 20410 Observation Dr 210

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

  1. Madan Bangalore, M.D.Internal Medicine Physician1174798193

Verify Charles Karesh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck 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 Maryland 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.

30% more Medicare Part D claims than the average internal medicine physician in 2024

3,620 Medicare Part D claims for 210 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 56 claims were for opioids.

  1. Charles Karesh3,620
  2. Specialty average2,785

Most prescribed

  1. Amlodipine Besylate198 claims
  2. Atorvastatin Calcium162 claims
  3. Losartan Potassium133 claims
  4. Metoprolol Succinate118 claims
  5. Levothyroxine Sodium99 claims
  6. Gabapentin81 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.

16 internal medicine physician records list a Germantown practice address

They are 16 of the 1,327 NPPES records with a Germantown practice address, and 4,220 internal medicine physician records in Maryland.

Other internal medicine physician records in Maryland

  1. Joshua Aaron, MDElkton, MD1396703351
  2. Alina Aasim, M.D.Baltimore, MD1174057905
  3. Eduardo Abarca Rojas, M.D.Parkville, MD1538447628
  4. Rasheed Abassi, M.D.Clinton, MD1376608620
  5. Shastine Abate, MDBaltimore, MD1922199405
  6. Ghulam Abbas, MDFrederick, MD1477658045
  7. Hashim AbbasBaltimore, MD1396171070
  8. Shamima Abbas, MDKensington, MD1750445896
  9. Nourelhuda Abbas Hamed, MDSilver Spring, MD1699339473
  10. Arsalan Abbasi, MDWestminster, MD1942762604

Common questions

What is Charles Karesh, M.D.'s NPI number?

Charles Karesh, M.D.'s National Provider Identifier (NPI) is 1497881619, issued on Feb 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Charles Karesh, M.D. located?

The NPPES record lists a practice address at 20410 Observation Dr 210, Germantown, MD, 20876. Phone: (301) 869-9776. Providers update this record themselves, so call before visiting.

How can I verify Charles Karesh, M.D.'s license?

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 Charles Karesh, M.D. prescribe under Medicare Part D?

In 2024, Charles Karesh, M.D. had 3,620 Medicare Part D claims for 210 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.