James Christopher Shepherd, M.D. PH.D.
Infectious Disease Physician · New Haven, CT
James Christopher Shepherd, M.D. PH.D. is an infectious disease physician with a practice address in New Haven, Connecticut, and NPI 1295044618, issued on Oct 4, 2010. Check the license (Connecticut 052964, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- James Christopher Shepherd
- Credential
- M.D. PH.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- 052964 CT
D0063371 MD
Self-reported in NPPES; status is on the state search - Practice location
- 20 York St, New Haven, CT 06510
- Phone
- (203) 789-4135
- Enumerated
- Oct 4, 2010
- Record last updated
- Oct 26, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140924001071); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 1999
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 202 in Connecticut → Look up another NPI →
Also registered at 20 York St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cyrena Abbasi, MDStudent in an Organized Health Care Education/Training Program1609703289
- Ali Abboud, MD, MBAStudent in an Organized Health Care Education/Training Program1942943097
- Basil Abdalla, MDStudent in an Organized Health Care Education/Training Program1154905057
- Jasmina AbdallaStudent in an Organized Health Care Education/Training Program1700638590
- Sarah AbdallahPsychiatry Physician1740800952
- Usama Abdelghany, PHARM DOncology Pharmacist1548827843
Verify James Christopher Shepherd in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 052964Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average infectious disease physician in 2024
113 Medicare Part D claims for 33 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
Most prescribed
- Doxycycline Hyclate23 claims
- Azithromycin17 claims
- Ethambutol Hcl13 claims
- Ibuprofen13 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): 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).
Industry payments in 2024: $14.79
1 payment: food and beverage; the largest payer was Astellas Pharma US Inc. The 3,895 providers of this specialty with any payment received $4,362.19 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
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Christopher Shepherd among 202 infectious disease physician records in Connecticut
James Christopher Shepherd, M.D. PH.D. is one of 202 infectious disease physician records with a practice address in Connecticut. 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 2010, is newer than 66% of them.
- NPI issued2010 · 66% of these records are older, 30% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1999 · median 2003 among the 136 with a school on file
- Record last updated2015 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Connecticut
There are 202 infectious disease physician records in Connecticut.
All 202 in Connecticut → Every provider in New Haven → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Anoli Borad, MDNew Haven, CT 065101699881532
- David Calfee, MDNew Haven, CT 065101467481291
- Mahalia Desruisseaux, MDNew Haven, CT 065101063603918
- Brinda Emu, MDNew Haven, CT 065101245328509
- Gerald Friedland, MDNew Haven, CT 065101174506653
- Mark Lustberg, MDNew Haven, CT 065101104948934
- Richard Martinello, MDNew Haven, CT 065101639152846
- Lynn MatthewsNew Haven, CT 065101316016439
Common questions
What is James Christopher Shepherd, M.D. PH.D.'s NPI number?
James Christopher Shepherd, M.D. PH.D.'s National Provider Identifier (NPI) is 1295044618, issued on Oct 4, 2010. An NPI identifies a provider in billing; it is not a license.
Where is James Christopher Shepherd, M.D. PH.D. located?
The NPPES record lists a practice address at 20 York St, New Haven, CT, 06510. Phone: (203) 789-4135. Providers update this record themselves, so call before visiting.
How can I verify James Christopher Shepherd, M.D. PH.D.'s license?
NPPES lists Connecticut license number 052964, 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.
How much does James Christopher Shepherd, M.D. PH.D. prescribe under Medicare Part D?
In 2024, James Christopher Shepherd, M.D. PH.D. had 113 Medicare Part D claims for 33 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is James Christopher Shepherd, M.D. PH.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.