James N. Carnahan, PA

  • Riverside, CA
  • Physician assistant
NPI1679621569PAC ID8628263191
Part D claims, 2024
1,819
Hospital affiliations
1
Medical group
1
State license
1
Year NPI issued
2007
Practice address
10800 Magnolia Avenue, Riverside, CA 92505
Practice phone
Call (951) 353-2000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Riverside Medical Center

Hospital · Riverside, California

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James N. Carnahan is a physician assistant in Riverside, California

James Carnahan practices at Riverside Medical Center in Riverside, California, part of Kaiser Permanente.

James Carnahan's NPI, 1679621569, was assigned on January 8, 2007. James Carnahan holds California license PA13729.

NPI and contact details
Medicare PAC ID
8628263191
NPI enumeration date
January 8, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(951) 353-2000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
56
Medical school graduation
1996

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

James N. Carnahan practices at Riverside Medical Center in Riverside, California

James Carnahan's primary practice is Riverside Medical Center, at 10800 Magnolia Avenue, Riverside, CA 92505 in Riverside County. The practice phone is (951) 353-2000.

Source: Dmand AI Affiliation Data

James N. Carnahan is affiliated with 1 site of care and 1 medical group

James Carnahan's primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at James N. Carnahan's practice

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

EHR by site
SiteEHR vendor and product
Riverside Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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James N. Carnahan is one of 11,482 physician assistants in California

Physician assistant is James Carnahan's primary specialty in the NPI Registry, under taxonomy code 363A00000X. James Carnahan is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). James Carnahan is licensed in California.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense PA13729 · taxonomy 363A00000X

Physician assistants near James Carnahan

Counts of physician assistants 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

James N. Carnahan's patients have a median age of 68

Across all payers, Dmand AI patient panel data puts James Carnahan's median patient age at 68, with 56% women.

James Carnahan's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women56%
  • Men44%

Source: Dmand AI Patient Panel Data

James N. Carnahan wrote 1,819 Medicare Part D claims in 2024

In 2024, James Carnahan wrote 1,819 Medicare Part D claims for 519 patients. 99% of them were for generic drugs. CMS names the drug for 1,773 of them, across 7 drugs with 11 or more claims each, at $32,580 in total drug cost.

Part D claims, 20241,819
Drugs named by CMS7
Total drug cost$32,580
Part D patients519

James Carnahan's Part D claims by kind of drug, 2024

  • Generic1,805 claims99%
  • Brand-name14 claims1%

James Carnahan'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 James Carnahan's Part D claims, 2024

  • Opioids28%516 of 1,819 claims
  • Antibiotics1%20 of 1,819 claims

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

See all prescribing by James Carnahan

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

How James N. Carnahan takes part in Medicare

James Carnahan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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James N. Carnahan is board certified in certified physician assistant

James Carnahan is a member of AAPA.

  1. Board certified in certified physician assistantNational Commission on Certification of Physician Assistants (NCCPA)

Source: Dmand AI Professional Profile Data

Sources for James N. Carnahan'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
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)
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 James N. Carnahan

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

What is James N. Carnahan's NPI number?

James N. Carnahan's NPI number is 1679621569. It was assigned on January 8, 2007, and it is active in the NPI Registry.

What does James N. Carnahan specialize in?

James N. Carnahan is a physician assistant in Riverside, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does James N. Carnahan practice?

James Carnahan practices at 10800 Magnolia Avenue, Riverside, CA 92505. James Carnahan's primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente.

What is James N. Carnahan's office phone number?

The practice phone on file for James Carnahan is (951) 353-2000.

What is James N. Carnahan's medical license number?

James Carnahan holds California license PA13729.

Which hospitals is James N. Carnahan affiliated with?

James Carnahan practices at Riverside Medical Center in Riverside, California.

What medical group is James N. Carnahan part of?

James Carnahan is linked to Southern California Permanente Medical Group.

Does James N. Carnahan accept Medicare?

Yes. CMS lists James Carnahan as accepting Medicare assignment.

Is James N. Carnahan board certified?

Yes. James Carnahan is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).

What drugs does James N. Carnahan prescribe most?

In 2024 Medicare Part D data, James Carnahan's most prescribed drugs by claims were Ondansetron ODT, Oxycodone HCl and Naloxone HCl.

How long has James N. Carnahan been practicing?

James Carnahan graduated from medical school in 1996, 30 years ago.

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