NPPES file of Aug 9, 2026

Alexander P. Hersel, M.D.

Pain Medicine (Anesthesiology) Physician · Thousand Oaks, CA

Alexander P. Hersel, M.D. is a pain medicine (anesthesiology) physician with a practice address in Thousand Oaks, California, and NPI 1689696718, issued on Jul 25, 2006. Check the license (California A79277, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689696718
Name
Alexander P. Hersel
Credential
M.D.
Primary taxonomy
Pain Medicine (Anesthesiology) Physician 207LP2900X
License number
A79277 CA
Self-reported in NPPES; status is on the state search
Practice location
1120 Newbury RD, Thousand Oaks, CA 91320
Phone
(805) 557-0096
Enumerated
Jul 25, 2006
Record last updated
Oct 23, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(805) 557-1743
Medicare enrollment
Enrolled (PECOS I20040708000915); accepts Medicare assignment
Medical or professional school
Hahnemann University College Of Medicine, 1998
Telehealth
Offers telehealth (CMS)
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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Also registered at 1120 Newbury RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Pauntea Bral, PA-CPhysician Assistant1184438129

Verify Alexander P. Hersel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A79277
    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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61% fewer Medicare Part D claims than the average pain medicine (anesthesiology) physician in 2024

681 Medicare Part D claims for 150 beneficiaries, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 372 claims were for opioids.

  1. Alexander Hersel681
  2. Specialty average1,750

Most prescribed

  1. Hydrocodone-Acetaminophen140 claims
  2. Oxycodone-Acetaminophen71 claims
  3. Oxycodone Hcl70 claims
  4. Gabapentin66 claims
  5. Carisoprodol45 claims
  6. Tizanidine Hcl23 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 56.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score50.7
  2. Costout of 100 · 30%19.9
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,063.00

39 payments; by number, the most common kind was food and beverage; the largest payer was Nevro Corp. 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.

  1. Alexander Hersel$2,063.00
  2. Specialty average$3,225.41

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

  1. Alexander P Hersel MD IncThousand Oaks, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alexander P. Hersel among 536 pain medicine (anesthesiology) physician records in California

Alexander P. Hersel, M.D. 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 57% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1998 · median 2004 among the 367 with a school on file
  • Record last updated2019 · 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.

The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes

  1. Devinder Kumar, MDSanta Clarita, CA 913211548251390
  2. Richard Hoberman, M.D.Encino, CA 913161922021757
  3. Robert MarkmanNorthridge, CA 913241205026036
  4. Michael OhebsionEncino, CA 913161336697135
  5. Raymond Lam, M.D.Northridge, CA 913251710952593
  6. Felix LuryeNorthridge, CA 913251033505615
  7. Margaret Aranda, M.D.West Hills, CA 913071316212608
  8. Hripsime Avagyan, D.O.Reseda, CA 913351790122687

Common questions

What is Alexander P. Hersel, M.D.'s NPI number?

Alexander P. Hersel, M.D.'s National Provider Identifier (NPI) is 1689696718, issued on Jul 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alexander P. Hersel, M.D. located?

The NPPES record lists a practice address at 1120 Newbury RD, Thousand Oaks, CA, 91320. Phone: (805) 557-0096. Providers update this record themselves, so call before visiting.

How can I verify Alexander P. Hersel, M.D.'s license?

NPPES lists California license number A79277, 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 Alexander P. Hersel, M.D. prescribe under Medicare Part D?

In 2024, Alexander P. Hersel, M.D. had 681 Medicare Part D claims for 150 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. Part D covers Medicare prescriptions only.

What is Alexander P. Hersel, M.D.'s MIPS final score?

The 2023 MIPS final score is 56.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.