Nicholas Mellis, M.D.
Internal Medicine Physician · Timonium, MD
Nicholas Mellis, M.D. is an internal medicine physician with a practice address in Timonium, Maryland, and NPI 1588663108, issued on Jul 15, 2005. Check the license (Maryland D47762, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Nicholas Mellis
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D47762 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2352 York RD, Timonium, MD 21093
- Phone
- (410) 560-5652
- Enumerated
- Jul 15, 2005
- Record last updated
- Sep 26, 2023
- Fax
- (410) 560-4971
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Verify Nicholas Mellis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D47762Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% more Medicare Part D claims than the average internal medicine physician in 2024
3,205 Medicare Part D claims for 166 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 16 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium126 claims
- Atorvastatin Calcium89 claims
- Famotidine75 claims
- Levothyroxine Sodium75 claims
- Montelukast Sodium72 claims
- Amlodipine Besylate65 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: $13.91
1 payment: food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, 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.
Nicholas Mellis among 3,904 internal medicine physician records in Maryland
Nicholas Mellis, 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 updated2023 · 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).
17 internal medicine physician records list a practice address in Timonium
They are 17 of the 612 NPPES records with a practice address in Timonium, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Timonium → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- John Aucott, M.D.Lutherville, MD 210931578564233
- Christine Bell Lafferman, M.D.Lutherville, MD 210931992771653
- Holly Dahlman, M.D.Lutherville, MD 210931962464552
- Norman Dy, MDLutherville Timonium, MD 210931215997275
- Melissa Fox, M.D.Lutherville, MD 210931700843273
- Tammy Hadley, M.D.Lutherville, MD 210931598766958
- Susan Molinaro, M.D.Lutherville, MD 210931518968874
- Laura Mumford, M.D.Lutherville, MD 210931700837804
Common questions
What is Nicholas Mellis, M.D.'s NPI number?
Nicholas Mellis, M.D.'s National Provider Identifier (NPI) is 1588663108, issued on Jul 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Mellis, M.D. located?
The NPPES record lists a practice address at 2352 York RD, Timonium, MD, 21093. Phone: (410) 560-5652. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Mellis, M.D.'s license?
NPPES lists Maryland license number D47762, 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 Nicholas Mellis, M.D. prescribe under Medicare Part D?
In 2024, Nicholas Mellis, M.D. had 3,205 Medicare Part D claims for 166 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.