Dr. James Paul Caplan, MD

  • Pomona, CA
  • Family medicine physician
NPI1356474175
Medicare services, 2023
195
Industry payments
$22
Affiliated sites
2
Medical groups
6
Insurance carriers
16
Practice address
3240 N Garey Ave, Pomona, CA 91767
Practice phone
Call (877) 201-7377
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Prime One Care

Pomona, California

See all 9 affiliations

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Dr. James Paul Caplan is a family medicine physician in Pomona, California

Dr. Caplan practices at Prime One Care in Pomona, California.

Dr. Caplan's NPI, 1356474175, was assigned on March 13, 2007. Dr. Caplan graduated from Baylor College Of Medicine in 1985. Dr. Caplan holds Texas license H1349.

NPI and contact details
NPI enumeration date
March 13, 2007
NPI status
Active
Practice phone
(877) 201-7377
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
67
Medical school graduation
1985

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

Dr. James Paul Caplan practices at Prime One Care in Pomona, California

Dr. Caplan's primary practice is Prime One Care, at 3240 N Garey Ave, Pomona, CA 91767 in Los Angeles County. The practice phone is (877) 201-7377.

  • Prime One Care
    3240 N Garey Ave, Pomona, CA 91767 · Los Angeles CountyPhone(877) 201-7377

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

Dr. James Paul Caplan is affiliated with 3 sites of care and 6 medical groups

Dr. Caplan's primary practice is Prime One Care in Pomona, California. The medical group on file is Imaging Associates of Indiana. Dmand AI also links Dr. Caplan to 5 more medical groups and 2 group practices and clinics, each named with a free account.

See all 9 affiliations for Dr. Caplan

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

Dmand AI tracks the EHR system at Dr. James Paul Caplan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Caplan practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Prime One CareAvailable with a free account
+2 more sites and 5 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. James Paul Caplan is one of 15,680 family medicine physicians in California

Family medicine is Dr. Caplan's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Caplan is board certified in nuclear medicine by the American Board of Nuclear Medicine. Dmand AI has Dr. Caplan's licenses on file in 9 states: Texas, Florida, Missouri, New York, Kansas, Arkansas, Idaho, California and Washington.

Specialties and state licenses

  • Family medicine, TexasPrimaryLicense H1349 · 1987 to 2027 · taxonomy 207Q00000X
  • Nuclear medicine, FloridaLicense ME133775 · 2017 to 2026 · taxonomy 207U00000X
  • Nuclear cardiology, MissouriLicense 2017026099 · 2017 to 2026 · taxonomy 207UN0901X
  • New York licenseLicense 169670 · 1987 to 2026
  • Kansas license2017 to 2021
  • Arkansas license2004 to 2006
  • Idaho license2003 to 2005
  • California license1990 to 1992
  • Washington license1989 to 1990

Family medicine physicians near Dr. Caplan

Counts of family medicine physicians 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 Paul Caplan billed Medicare for 195 services in 2023

CMS data shows 195 Medicare services from Dr. Caplan across 8 procedure codes in 2023. Medicare paid $18,733 for them. Every service was in an office.

Medicare services, 2023195
Paid by Medicare$18,733
Procedure codes8

Dr. Caplan's Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Drugs given in the office
2022: 02023: 68
Tests and treatments
2022: 452023: 499%
Imaging
2022: 1532023: 4670%
Other services
2022: 382023: 3216%

Dr. Caplan compared with the California median for family medicine physicians, 2023

  • Dr. Caplan
  • California median
Medicare services
195vs 24621% below

Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Caplan's most billed Medicare procedure codes, 2023

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. Caplan

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Caplan and other family medicine physicians in California.

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

Dr. James Paul Caplan's patients have a median age of 48

Across all payers, Dmand AI patient panel data puts Dr. Caplan's median patient age at 48, with 6% women.

Dr. Caplan's patients across all payers

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

Patient panel by age, all payers

Median age 48

Patient panel by sex, all payers

  • Women6%
  • Men94%

Source: Dmand AI Patient Panel Data

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Dr. James Paul Caplan received $22 in industry payments in 2025

CMS Open Payments shows 1 general payment to Dr. Caplan from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $22.

Companies that paid Dr. Caplan the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Caplan

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

Dr. James Paul Caplan graduated from Baylor College Of Medicine

Dr. Caplan graduated from Baylor College Of Medicine in 1985.

  1. Medical schoolBaylor College Of Medicine
  2. Board certified in nuclear medicineAmerican Board of Nuclear Medicine
  3. Board certified in obesity medicineAmerican Board of Obesity Medicine

Source: Dmand AI Professional Profile Data

Dr. James Paul Caplan accepts plans from 16 insurance carriers

Dr. Caplan is in network with 16 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • Alliant Health Plans
  • HCSC
  • Aspirus Health Plan
  • Baylor Scott and White
  • +8 more carriersWith a free account

Plan types Dr. Caplan accepts, by number of carriers

  1. HMO10
  2. PPO8
  3. EPO4
  4. POS4
  5. Medicare3

Source: Dmand AI Insurance Network Data

Sources for Dr. James Paul Caplan'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 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 Data
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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 Paul Caplan

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 Paul Caplan's NPI number?

Dr. James Paul Caplan's NPI number is 1356474175. It was assigned on March 13, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. James Paul Caplan?

Dr. James Paul Caplan is a family medicine physician in Pomona, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).

Where does Dr. James Paul Caplan practice?

Dr. Caplan practices at 3240 N Garey Ave, Pomona, CA 91767. Dr. Caplan's primary practice is Prime One Care in Pomona, California. Dmand AI also links Dr. Caplan to 5 medical groups and 2 group practices and clinics.

What is Dr. James Paul Caplan's office phone number?

The practice phone on file for Dr. Caplan is (877) 201-7377.

What is Dr. James Paul Caplan's medical license number?

Dr. Caplan holds Texas license H1349, one of the licenses on file in 9 states.

Which states has Dr. James Paul Caplan been licensed in?

Dmand AI has state licenses on file for Dr. Caplan in Texas (1987 to 2027), Florida (2017 to 2026), Missouri (2017 to 2026), New York (1987 to 2026), Kansas (2017 to 2021), Arkansas (2004 to 2006), Idaho (2003 to 2005), California (1990 to 1992) and Washington (1989 to 1990).

What medical group is Dr. James Paul Caplan part of?

Dr. Caplan is linked to Imaging Associates of Indiana. Dmand AI links Dr. Caplan to 5 more medical groups.

Does Dr. James Paul Caplan accept Medicare?

Yes. CMS data shows Dr. Caplan billed Medicare for 195 services in 2023.

Is Dr. James Paul Caplan board certified?

Yes. Dr. Caplan is board certified in nuclear medicine by the American Board of Nuclear Medicine.

What services does Dr. James Paul Caplan bill to Medicare?

In 2023, Dr. Caplan's most billed Medicare services were injected or infused drug (J2785), infusion or chemotherapy administration (96374) and nuclear medicine (78452).

Show 4 more questionsShow fewer questions

Where did Dr. James Paul Caplan go to medical school?

Dr. Caplan graduated from Baylor College Of Medicine in 1985.

Has Dr. James Paul Caplan received payments from drug or device companies?

CMS Open Payments shows $22 in general payments to Dr. Caplan from 1 company from 2025 to 2025. The largest total came from Eli Lilly and Company.

How long has Dr. James Paul Caplan been practicing?

Dr. Caplan graduated from medical school in 1985, 41 years ago.

What insurance does Dr. James Paul Caplan accept?

Dr. Caplan is in network with 16 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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