Dr. James Christopher Shepherd, MD, PhD

  • New Haven, CT
  • Infectious disease specialist
NPI1295044618PAC ID5496974453
Medicare services, 2024
103
Medicare patients, 2024
84
Part D claims, 2024
113
Publications
10
MIPS score, 2024
87
Practice address
50 Division St, New Haven, CT 06511
Practice phone
Call (203) 785-2140
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Yale Medicine

New Haven, Connecticut

See all 3 affiliations

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Dr. James Christopher Shepherd is an infectious disease specialist in New Haven, Connecticut

Dr. Shepherd practices at Yale Medicine in New Haven, Connecticut.

Dr. Shepherd's NPI, 1295044618, was assigned on October 4, 2010. Dr. Shepherd graduated from Columbia University Vagelos College of Physicians and Surgeons in 1999. Dr. Shepherd holds Connecticut license 052964.

NPI and contact details
Medicare PAC ID
5496974453
NPI enumeration date
October 4, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(203) 785-2140
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
53
Medical school graduation
1999

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. James Christopher Shepherd practices at Yale Medicine in New Haven, Connecticut

Dr. Shepherd's primary practice is Yale Medicine, at 50 Division St, New Haven, CT 06511 in South Central Ct County. The practice phone is (203) 785-2140.

  • Yale Medicine
    50 Division St, New Haven, CT 06511 · South Central Ct CountyPhone(203) 785-2140

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. James Christopher Shepherd is affiliated with 2 sites of care and 1 medical group

Dr. Shepherd's primary practice is Yale Medicine in New Haven, Connecticut. Dr. Shepherd is also affiliated with Yale New Haven Hospital. The medical group on file is Yale Health.

See all 3 affiliations for Dr. Shepherd

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. James Christopher Shepherd's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shepherd practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Yale MedicineAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. James Christopher Shepherd is one of 168 infectious disease specialists in Connecticut

Infectious disease is Dr. Shepherd's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dmand AI has Dr. Shepherd's licenses on file in 2 states: Connecticut and Maryland.

Specialties and state licenses

  • Infectious disease, ConnecticutPrimaryLicense 052964 · taxonomy 207RI0200X
  • Maryland licenseLicense D0063371

Infectious disease specialists near Dr. Shepherd

Counts of infectious disease specialists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. James Christopher Shepherd billed Medicare for 103 services in 2024

CMS data shows 103 Medicare services from Dr. Shepherd across 3 procedure codes in 2024, for 84 Medicare patients. Medicare paid $8,316 for them.

Medicare services, 2024103
Medicare patients84
Paid by Medicare$8,316
Procedure codes3

Dr. Shepherd's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1262024: 10318%

Where Dr. Shepherd's Medicare services took place, 2024

  • In an office5049%
  • In a facility5351%

Dr. Shepherd compared with the Connecticut median for infectious disease specialists, 2024

  • Dr. Shepherd
  • Connecticut median
Medicare services
103vs 21853% below
Medicare patients
84vs 10318% below
Part D claims
66vs 12045% below

Medians across 151 infectious disease specialists in Connecticut with Dmand AI profiles that report each measure.

Dr. Shepherd's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Shepherd

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Shepherd and other infectious disease specialists in Connecticut.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. James Christopher Shepherd treated 84 Medicare patients in 2024, average age 73

CMS counts 84 Medicare patients who saw Dr. Shepherd in 2024. The largest group is 65 to 74, with 31 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 43% are also on Medicaid. Their average risk score is 3.65, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Shepherd's median patient age at 71, with 49% women.

Medicare patients, 202484
Average age73
Average risk score3.65
Also on Medicaid43%

Dr. Shepherd's Medicare patients by age, 2024

Dr. Shepherd's Medicare patients by sex, 2024

  • Women3643%
  • Men4857%

Chronic conditions among Dr. Shepherd's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis65%
  4. Diabetes63%
  5. Mood disorders58%
  6. Anxiety52%
  7. Depression51%
  8. Chronic kidney disease49%

Share of Medicare patients with each condition. A patient can have several.

Dr. Shepherd's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women49%
  • Men51%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. James Christopher Shepherd wrote 113 Medicare Part D claims in 2024

In 2024, Dr. Shepherd wrote 113 Medicare Part D claims for 33 patients. 96% of them were for generic drugs. CMS names the drug for 66 of them, across 4 drugs with 11 or more claims each, at $1,272 in total drug cost. In 2023, CMS named 25 claims across 1 drug.

Part D claims, 2024113
Drugs named by CMS4
Total drug cost$1,272
Part D patients33

Dr. Shepherd's Part D claims by kind of drug, 2024

  • Generic108 claims96%
  • Brand-name and other5 claims4%

Dr. Shepherd's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Shepherd's Part D claims, 2024

  • Antibiotics56%63 of 113 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 252024: 66164%

Drugs named by CMS: 4 in 2024, 1 in 2023.

See all prescribing by Dr. Shepherd

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. James Christopher Shepherd scored 87 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Shepherd for performance year 2024, reported as part of a group. Dr. Shepherd accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Shepherd's MIPS scores, performance year 2024

  • 87of 100Final score
  • 77.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 74of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. James Christopher Shepherd has 10 publications on record

Dmand AI links 10 papers to Dr. Shepherd, published from 2016 to 2025. 2020 was the busiest year, with 3. The most frequent topics are Botswana, Tuberculosis and HIV Infections. Dr. Shepherd has published most often in AIDS. Dr. Shepherd's most frequent co-authors are Alyssa M. Finlay, MD, Tedd Vincent Ellerbrock, MD and Gerald H. Friedland, MD.

Papers10
Years published2016 to 2025

Dr. Shepherd's papers by year, 2016 to 2025

Topics Dr. Shepherd writes about most

  • Botswana
  • Tuberculosis
  • HIV Infections
  • Mycobacterium tuberculosis
  • Anti-Retroviral Agents
  • Antitubercular Agents
  • Genotype
  • Isoniazid

Dr. Shepherd's most frequent co-authors

Recent publications by Dr. Shepherd

See all 10 publications and co-authors

See who Dr. Shepherd researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Shepherd works with, so you can find a warm path to the right infectious disease specialists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. James Christopher Shepherd received $15 in industry payments in 2024

CMS Open Payments shows 1 general payment to Dr. Shepherd from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Astellas Pharma US Inc paid the most, $15.

Companies that paid Dr. Shepherd the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Shepherd

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. James Christopher Shepherd graduated from Columbia University Vagelos College of Physicians and Surgeons

Dr. Shepherd graduated from Columbia University Vagelos College of Physicians and Surgeons in 1999.

  1. Medical schoolColumbia University Vagelos College of Physicians and Surgeons

Source: Dmand AI Professional Profile Data

Sources for Dr. James Christopher Shepherd's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. James Christopher Shepherd

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. James Christopher Shepherd's NPI number?

Dr. James Christopher Shepherd's NPI number is 1295044618. It was assigned on October 4, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. James Christopher Shepherd?

Dr. James Christopher Shepherd is an infectious disease specialist in New Haven, Connecticut. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).

Where does Dr. James Christopher Shepherd practice?

Dr. Shepherd practices at 50 Division St, New Haven, CT 06511. Dr. Shepherd's primary practice is Yale Medicine in New Haven, Connecticut.

What is Dr. James Christopher Shepherd's office phone number?

The practice phone on file for Dr. Shepherd is (203) 785-2140.

What is Dr. James Christopher Shepherd's medical license number?

Dr. Shepherd holds Connecticut license 052964, one of the licenses on file in 2 states.

Which states has Dr. James Christopher Shepherd been licensed in?

Dmand AI has state licenses on file for Dr. Shepherd in Connecticut and Maryland.

Which hospitals is Dr. James Christopher Shepherd affiliated with?

Dr. Shepherd is affiliated with Yale New Haven Hospital.

What medical group is Dr. James Christopher Shepherd part of?

Dr. Shepherd is linked to Yale Health.

Does Dr. James Christopher Shepherd accept Medicare?

Yes. CMS data shows Dr. Shepherd billed Medicare for 103 services in 2024, and Dr. Shepherd accepts Medicare assignment.

What is Dr. James Christopher Shepherd's MIPS score?

Dr. Shepherd's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. James Christopher Shepherd see?

CMS counts 84 Medicare patients who saw Dr. Shepherd in 2024, with an average age of 73.

What services does Dr. James Christopher Shepherd bill to Medicare?

In 2024, Dr. Shepherd's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99222) and hospital inpatient care (99232).

Where did Dr. James Christopher Shepherd go to medical school?

Dr. Shepherd graduated from Columbia University Vagelos College of Physicians and Surgeons in 1999.

What drugs does Dr. James Christopher Shepherd prescribe most?

In 2024 Medicare Part D data, Dr. Shepherd's most prescribed drugs by claims were Doxycycline Hyclate, Azithromycin and Ethambutol HCl.

Has Dr. James Christopher Shepherd received payments from drug or device companies?

CMS Open Payments shows $15 in general payments to Dr. Shepherd from 1 company from 2024 to 2024. The largest total came from Astellas Pharma US Inc.

How long has Dr. James Christopher Shepherd been practicing?

Dr. Shepherd graduated from medical school in 1999, 27 years ago.

Does Dr. James Christopher Shepherd do research?

Dmand AI links 10 publications to Dr. Shepherd, published from 2016 to 2025.

Who does Dr. James Christopher Shepherd publish with?

Dr. Shepherd's most frequent co-authors are Alyssa M. Finlay, MD (5 shared papers), Tedd Vincent Ellerbrock, MD (4 shared papers) and Gerald H. Friedland, MD (1 shared paper).

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