Nils H. Petersen, M.D.
Neurology Physician · New Haven, CT
Nils H. Petersen, M.D. is a neurology physician with a practice address in New Haven, Connecticut, and NPI 1962644872, issued on Mar 25, 2009. Check the license (Connecticut 53381, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Nils H. Petersen
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 53381 CT
Self-reported in NPPES; status is on the state search - Practice location
- 15 York St, New Haven, CT 06510
- Phone
- (203) 737-2051
- Enumerated
- Mar 25, 2009
- Record last updated
- Oct 23, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20141022002017); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 345 in Connecticut → Look up another NPI →
Also registered at 15 York St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karam Al JumailyStudent in an Organized Health Care Education/Training Program1023836269
- Carolyn ArenaPsychiatric/Mental Health Nurse Practitioner1184294472
- Diana AthonvarangkulEndocrinology, Diabetes & Metabolism Physician1275980450
- Nigel Bamford, MDNeurology with Special Qualifications in Child Neurology Physician1639255318
- Ami Belmont, M.D.Internal Medicine Physician1295183226
- Jean Bolognia, MDDermatology Physician1942291331
Verify Nils H. Petersen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 53381Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 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).
Bills Medicare through one group practice
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nils H. Petersen among 345 neurology physician records in Connecticut
Nils H. Petersen, M.D. is one of 345 neurology physician records with a practice address in Connecticut. 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 2009, is newer than 49% of them.
- NPI issued2009 · 49% of these records are older, 46% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2004 · median 2009 among the 216 with a school on file
- Record last updated2019 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
121 neurology physician records list a practice address in New Haven
They are 121 of the 9,793 NPPES records with a practice address in New Haven, and 345 neurology physician records in Connecticut.
All 345 in Connecticut → Every provider in New Haven → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Susan Arnold, MDNew Haven, CT 065101720040587
- Hal Blumenfeld, MDNew Haven, CT 065101982687109
- David Hafler, MDNew Haven, CT 065101689602054
- Richard Mattson, MDNew Haven, CT 065101578536538
- Dhasakumar Navaratnam, MDNew Haven, CT 065101528041738
- Steven Novella, MDNew Haven, CT 065101518949254
- Huned Patwa, MDNew Haven, CT 065101588649792
- Ognen Petroff, MDNew Haven, CT 065101427030162
Common questions
What is Nils H. Petersen, M.D.'s NPI number?
Nils H. Petersen, M.D.'s National Provider Identifier (NPI) is 1962644872, issued on Mar 25, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Nils H. Petersen, M.D. located?
The NPPES record lists a practice address at 15 York St, New Haven, CT, 06510. Phone: (203) 737-2051. Providers update this record themselves, so call before visiting.
How can I verify Nils H. Petersen, M.D.'s license?
NPPES lists Connecticut license number 53381, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Nils H. Petersen, M.D.'s MIPS final score?
The 2023 MIPS final score is 73.6 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.