Patrick Ahern, MD
Pain Medicine (Anesthesiology) Physician · Irvine, CA
Patrick Ahern, MD is a pain medicine (anesthesiology) physician with a practice address in Irvine, California, and NPI 1154883072, issued on Apr 1, 2019. Check the license (California 186037, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Patrick Ahern
- Credential
- MD
- Primary taxonomy
- Pain Medicine (Anesthesiology) Physician 207LP2900X
- License numbers
- 186037 CA
V1722 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1 Medical Plaza Drive, Irvine, CA 92697
- Phone
- (949) 824-7246
- Enumerated
- Apr 1, 2019
- Record last updated
- Jun 20, 2024
- Medicare enrollment
- Enrolled (PECOS I20240705000562); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 2023
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pain medicine (anesthesiology) physician records → All 536 in California → Look up another NPI →
Also registered at 1 Medical Plaza Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Patrick Ahern in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 186037Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average pain medicine (anesthesiology) physician in 2024
617 Medicare Part D claims for 254 beneficiaries, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 95 claims were for opioids.
Most prescribed
- Gabapentin126 claims
- Pregabalin74 claims
- Duloxetine Hcl70 claims
- Methocarbamol41 claims
- Meloxicam39 claims
- Hydrocodone-Acetaminophen37 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: $344.45
3 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 2,789 providers of this specialty with any payment received $3,225.41 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
- The San Antonio Orthopaedic Group LLPSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Patrick Ahern among 536 pain medicine (anesthesiology) physician records in California
Patrick Ahern, MD is one of 536 pain medicine (anesthesiology) physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 96% of them.
- NPI issued2019 · 96% of these records are older, 3% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2023 · median 2004 among the 367 with a school on file
- Record last updated2024 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Anesthesiology) Physician providers in California
There are 536 pain medicine (anesthesiology) physician records in California.
All 536 in California → Every provider in Irvine → Pain Medicine (Anesthesiology) Physician nationwide →
The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes
- Cecil Desilva, M.D.Irvine, CA 926971649426248
- Kenneth Grabow, MDSanta Ana, CA 927051629089529
- James Kim, M.D.Santa Ana, CA 927051720249691
- Michael Lowenstein, MDSanta Ana, CA 927051174630453
- Hooman Rastegar, MDSanta Ana, CA 927051710149711
- Alan Ho, M.D.Fountain Valley, CA 927081154565612
- Afzaal IqbalFountain Valley, CA 927081861782674
- Elizabeth WatsonFountain Valley, CA 927081457858227
Common questions
What is Patrick Ahern, MD's NPI number?
Patrick Ahern, MD's National Provider Identifier (NPI) is 1154883072, issued on Apr 1, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Patrick Ahern, MD located?
The NPPES record lists a practice address at 1 Medical Plaza Drive, Irvine, CA, 92697. Phone: (949) 824-7246. Providers update this record themselves, so call before visiting.
How can I verify Patrick Ahern, MD's license?
NPPES lists California license number 186037, 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 Patrick Ahern, MD prescribe under Medicare Part D?
In 2024, Patrick Ahern, MD had 617 Medicare Part D claims for 254 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. 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.
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.