Katherine Fellman, M.D.
Emergency Medicine Physician · Pennington, NJ
Katherine Fellman, M.D. is an emergency medicine physician with a practice address in Pennington, New Jersey, and NPI 1528387396, issued on May 19, 2010. Check the license (New Jersey 25MA09824200, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Katherine Fellman
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 25MA09824200 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1 Capital Way, Pennington, NJ 08534
- Phone
- (800) 637-2374
- Enumerated
- May 19, 2010
- Record last updated
- Oct 12, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160317000907); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,754 in New Jersey → Look up another NPI →
Also registered at 1 Capital Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Fellman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA09824200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average emergency medicine physician in 2024
82 Medicare Part D claims for 68 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
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
- Capital Health Multispecialty GroupPennington, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Fellman among 1,754 emergency medicine physician records in New Jersey
Katherine Fellman, M.D. is one of 1,754 emergency medicine physician records with a practice address in New Jersey. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 53% of them.
- NPI issued2010 · 53% of these records are older, 44% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2010 · median 2011 among the 1,167 with a school on file
- Record last updated2017 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 emergency medicine physician records list a practice address in Pennington
They are 25 of the 739 NPPES records with a practice address in Pennington, and 1,754 emergency medicine physician records in New Jersey.
All 1,754 in New Jersey → Every provider in Pennington → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Rebecca Apollon, M.D.Pennington, NJ 085341083729495
- Nafeeza Aurup, M.D.Pennington, NJ 085341467814749
- Mateen Khan, MDPennington, NJ 085341558387480
- Emmanuel Onyeyirim, MDPennington, NJ 085341790281897
- Michael Orland, MDPennington, NJ 085341629202486
- Mark Pappadakis, D.O.Pennington, NJ 085341548618762
- Joseph Portale, M.D.Pennington, NJ 085341255505350
- Brian Tucker, D.O.Pennington, NJ 085341144562687
Common questions
What is Katherine Fellman, M.D.'s NPI number?
Katherine Fellman, M.D.'s National Provider Identifier (NPI) is 1528387396, issued on May 19, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Fellman, M.D. located?
The NPPES record lists a practice address at 1 Capital Way, Pennington, NJ, 08534. Phone: (800) 637-2374. Providers update this record themselves, so call before visiting.
How can I verify Katherine Fellman, M.D.'s license?
NPPES lists New Jersey license number 25MA09824200, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Katherine Fellman, M.D. prescribe under Medicare Part D?
In 2024, Katherine Fellman, M.D. had 82 Medicare Part D claims for 68 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.