NPPES file of Aug 9, 2026

Robert Stephen Jennings, M.D., FAAFP

Addiction Medicine (Family Medicine) Physician · Irvine, CA

Robert Stephen Jennings, M.D., FAAFP is an addiction medicine (family medicine) physician with a practice address in Irvine, California, and NPI 1932211380, issued on Aug 31, 2006. Check the license (California A35456, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1932211380
Name
Robert Stephen Jennings
Credential
M.D., FAAFP
Primary taxonomy
Addiction Medicine (Family Medicine) Physician 207QA0401X
License number
A35456 CA
Self-reported in NPPES; status is on the state search
Practice location
22 Odyssey Ste 110, Irvine, CA 92618
Phone
(949) 717-4811
Enumerated
Aug 31, 2006
Record last updated
Jul 19, 2023
Fax
(949) 717-4810
Medicare enrollment
Enrolled (PECOS I20040913000770); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest addiction medicine (family medicine) physician records → All 124 in California → Look up another NPI →

Verify Robert Stephen Jennings in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A35456    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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2.6 times the Medicare Part D claims of the average addiction medicine (family medicine) physician in 2024

1,742 Medicare Part D claims for 93 beneficiaries, against an average of 664 among the 581 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 23 claims were for opioids.

  1. Robert Jennings1,742
  2. Specialty average664

Most prescribed

  1. Testosterone Cypionate80 claims
  2. Rosuvastatin Calcium79 claims
  3. Zolpidem Tartrate77 claims
  4. Anastrozole73 claims
  5. Levothyroxine Sodium73 claims
  6. Montelukast Sodium63 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.

Industry payments in 2024: $161.71

5 payments; by number, the most common kind was food and beverage; the largest payer was Indivior Inc. The 305 providers of this specialty with any payment received $1,151.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Jennings$161.71
  2. Specialty average$1,151.00

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Robert Stephen Jennings among 124 addiction medicine (family medicine) physician records in California

Robert Stephen Jennings, M.D., FAAFP is one of 124 addiction medicine (family medicine) physician records with a practice address in California. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 73% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated1978 · median 2015 among the 64 with a school on file
  • Record last updated2023 · 33% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0401X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Addiction Medicine (Family Medicine) Physician providers in California

There are 124 addiction medicine (family medicine) physician records in California.

All 124 in California → Every provider in Irvine → Addiction Medicine (Family Medicine) Physician nationwide →

The 8 addiction medicine (family medicine) physician records with the nearest ZIP codes

  1. Peter Scheid, M.D.Capistrano Beach, CA 926241922024777
  2. Lucia Rusu, MDCosta Mesa, CA 926261467404004
  3. Richard Peprah, M.D.Huntington Beach, CA 926481659790848
  4. Stephen Groth, MDLaguna Beach, CA 926511982762761
  5. Anthony Ocana, MD, CCFP, FASAMLaguna Beach, CA 926511093363848
  6. Kenneth Gheysar, M.D.Laguna Hills, CA 926531609992171
  7. Steven Ey, M.D.Newport Beach, CA 926581821013285
  8. Atul Grover, MDNewport Beach, CA 926631639166523

Common questions

What is Robert Stephen Jennings, M.D., FAAFP's NPI number?

Robert Stephen Jennings, M.D., FAAFP's National Provider Identifier (NPI) is 1932211380, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert Stephen Jennings, M.D., FAAFP located?

The NPPES record lists a practice address at 22 Odyssey Ste 110, Irvine, CA, 92618. Phone: (949) 717-4811. Providers update this record themselves, so call before visiting.

How can I verify Robert Stephen Jennings, M.D., FAAFP's license?

NPPES lists California license number A35456, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Robert Stephen Jennings, M.D., FAAFP prescribe under Medicare Part D?

In 2024, Robert Stephen Jennings, M.D., FAAFP had 1,742 Medicare Part D claims for 93 beneficiaries; the average among addiction medicine (family medicine) physician prescribers was 664. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.