Mary-Katharine Emerel, M.D.
Dermatology Physician · Princeton, NJ
Mary-Katharine Emerel, M.D. is a dermatology physician with a practice address in Princeton, New Jersey, and NPI 1174943021, issued on Apr 18, 2014. Check the license (New Jersey 25MA11335100, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mary-Katharine Emerel
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License numbers
- 25MA11335100 NJ
25MA11335100 PA
MD469804 PA
Self-reported in NPPES; status is on the state search - Practice location
- 208 Bunn Dr, Princeton, NJ 08540
- Phone
- (609) 683-4999
- Enumerated
- Apr 18, 2014
- Record last updated
- Nov 30, 2023
- Fax
- (609) 683-8222
- Medicare enrollment
- Enrolled (PECOS I20220531001246); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 2014
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 421 in New Jersey → Look up another NPI →
Also registered at 208 Bunn Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kelly Bell, PA-CPhysician Assistant1922459601
- Mona Fawzy, PHYSICIAN ASSISTANTPhysician Assistant1508381708
- Anne Funke, FNP-CNurse Practitioner1932663713
- Martha Funkhouser, M.D.Dermatology Physician1235195157
- Rachel Grossman, M.D.Dermatology Physician1548225477
- Beth Hellstern, MS,PA-CMedical Physician Assistant1407810401
Verify Mary-Katharine Emerel 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 25MA11335100Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average dermatology physician in 2024
224 Medicare Part D claims for 135 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.
Most prescribed
- Mupirocin54 claims
- Cephalexin35 claims
- Cefadroxil28 claims
- Amoxicillin-Clavulanate Potass15 claims
- Triamcinolone Acetonide15 claims
- Doxycycline Hyclate12 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): 100 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: $88.72
5 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 10,250 providers of this specialty with any payment received $8,544.61 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.
Bills Medicare through one group practice
- Moorestown Dermatology Associates PAMoorestown, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary-Katharine Emerel among 421 dermatology physician records in New Jersey
Mary-Katharine Emerel, M.D. is one of 421 dermatology physician records with a practice address in New Jersey. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 81% of them.
- NPI issued2014 · 81% of these records are older, 18% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2014 · median 2001 among the 312 with a school on file
- Record last updated2023 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in New Jersey
There are 421 dermatology physician records in New Jersey.
All 421 in New Jersey → Every provider in Princeton → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Natalia Aliotta, PAPrinceton, NJ 085401982588299
- Bruce Berger, MDPrinceton, NJ 085401942301528
- Sola Choi, M.D.Princeton, NJ 085401588644017
- Ellen Dabela, MDPrinceton, NJ 085401891051306
- Martha Funkhouser, M.D.Princeton, NJ 085401235195157
- Rachel Grossman, M.D.Princeton, NJ 085401548225477
- Roderick Kaufmann, M.D.Princeton, NJ 085401740245539
- Steven Kazenoff, M.D.Princeton, NJ 085401841371507
Common questions
What is Mary-Katharine Emerel, M.D.'s NPI number?
Mary-Katharine Emerel, M.D.'s National Provider Identifier (NPI) is 1174943021, issued on Apr 18, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Mary-Katharine Emerel, M.D. located?
The NPPES record lists a practice address at 208 Bunn Dr, Princeton, NJ, 08540. Phone: (609) 683-4999. Providers update this record themselves, so call before visiting.
How can I verify Mary-Katharine Emerel, M.D.'s license?
NPPES lists New Jersey license number 25MA11335100, 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 Mary-Katharine Emerel, M.D. prescribe under Medicare Part D?
In 2024, Mary-Katharine Emerel, M.D. had 224 Medicare Part D claims for 135 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Mary-Katharine Emerel, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 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.