Gregory B. Kelly, MD
Internal Medicine Physician · White Marsh, MD
Gregory B. Kelly, MD is an internal medicine physician with a practice address in White Marsh, Maryland, and NPI 1235213851, issued on Oct 24, 2006. Check the license (Maryland D21242, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Gregory B. Kelly
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D21242 MD
Self-reported in NPPES; status is on the state search - Practice location
- 4924 Campbell Boulevard, White Marsh, MD 21236
- Phone
- (443) 442-2300
- Enumerated
- Oct 24, 2006
- Record last updated
- May 9, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (443) 442-2360
- Medicaid ID
- 367271900 MD
- Medicare enrollment
- Enrolled (PECOS I20100608000527); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 1974
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 4924 Campbell Boulevard
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maureen Burke, MDPediatrics Physician1598865461
- Marianne Fingerhood, CRNPAdult Health Nurse Practitioner1437259397
- Joseph Hubicki, PACMedical Physician Assistant1326142845
- Lisa Koulish, MDPediatrics Physician1558528125
Verify Gregory B. Kelly in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D21242Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% more Medicare Part D claims than the average internal medicine physician in 2024
5,321 Medicare Part D claims for 391 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 511 claims were for opioids.
Most prescribed
- Amlodipine Besylate189 claims
- Oxycodone Hcl180 claims
- Atorvastatin Calcium170 claims
- Gabapentin145 claims
- Carvedilol142 claims
- Losartan Potassium138 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.
Bills Medicare through one group practice
- Johns Hopkins Community Physicians, IncBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
3 internal medicine physician records list a practice address in White Marsh
They are 3 of the 71 NPPES records with a practice address in White Marsh, and 3,904 internal medicine physician records in Maryland.
All 3 in White Marsh → All 3,904 in Maryland → Every provider in White Marsh →
Other internal medicine physician records in Maryland
- Eduardo Abarca Rojas, M.D.Parkville, MD1538447628
- Rasheed Abassi, M.D.Clinton, MD1376608620
- Ghulam Abbas, MDFrederick, MD1477658045
- Shamima Abbas, MDKensington, MD1750445896
- Nourelhuda Abbas Hamed, MDSilver Spring, MD1699339473
- Arsalan Abbasi, MDWestminster, MD1942762604
- Hamdi AbdeenGaithersburg, MD1245972413
- Mukemil Abdella, M.D.Glenn Dale, MD1871603381
- Suzan Abdo, MDClarksville, MD1588631824
- Madeeha Abdul GhaffarElkton, MD1194276063
Common questions
What is Gregory B. Kelly, MD's NPI number?
Gregory B. Kelly, MD's National Provider Identifier (NPI) is 1235213851, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory B. Kelly, MD located?
The NPPES record lists a practice address at 4924 Campbell Boulevard, White Marsh, MD, 21236. Phone: (443) 442-2300. Providers update this record themselves, so call before visiting.
How can I verify Gregory B. Kelly, MD's license?
NPPES lists Maryland license number D21242, 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 Gregory B. Kelly, MD prescribe under Medicare Part D?
In 2024, Gregory B. Kelly, MD had 5,321 Medicare Part D claims for 391 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.