Registry data as of Aug 27, 2026

Zachary Cohen, M.D.

Pain Medicine Physician · San Diego, CA

Zachary Cohen, M.D. is a pain medicine physician with a practice address in San Diego, California, and NPI 1598021982, issued on Apr 10, 2012. Check the license (California A146733, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1598021982
Name
Zachary Cohen
Credential
M.D.
Primary taxonomy
Pain Medicine Physician 208VP0000X
License number
A146733 CA
Self-reported in NPPES; status is on the state search
Practice location
5395 Ruffin RD Ste 204, San Diego, CA 92123
Phone
(858) 571-3630
Enumerated
Apr 10, 2012
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 5395 Ruffin RD Ste 204

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

  1. Louisa Adrienne Alejo, NPNurse Practitioner1184311987
  2. Jessica Collinsworth, RNRegistered Nurse1467887828
  3. Saiyun Hou, M.D., PH.DStudent in an Organized Health Care Education/Training Program1326464660
  4. Alan Hurschman, M.D.Pain Medicine (Physical Medicine & Rehabilitation) Physician1326031980
  5. Mani Khaleghi, PAPhysician Assistant1275072423
  6. Insun Lee, M.D.Pain Medicine (Anesthesiology) Physician1447499199

Verify Zachary Cohen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A146733
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

39% fewer Medicare Part D claims than the average pain medicine physician in 2024

1,277 Medicare Part D claims for 369 beneficiaries, against an average of 2,094 among the 708 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 540 claims were for opioids.

  1. Zachary Cohen1,277
  2. Specialty average2,094

Most prescribed

  1. Hydrocodone-Acetaminophen189 claims
  2. Oxycodone-Acetaminophen120 claims
  3. Gabapentin111 claims
  4. Naloxone Hcl78 claims
  5. Celecoxib74 claims
  6. Cyclobenzaprine Hcl71 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 Medicare quality score for 2023: 0 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score0.0
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%
  4. Improvement activities0 of 40 points · 15%0.0

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

Industry payments in 2024: $6,179.65

211 payments, mostly food and beverage; the largest payer was Boston Scientific Corporation. The 552 providers of this specialty with any payment received $2,959.22 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Zachary Cohen$6,179.65
  2. Specialty average$2,959.22

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

One hospital or facility affiliation

  1. Zachary C Cohen MD ApcSan Diego, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Pain Medicine Physician providers in California

There are 126 pain medicine physician records in California.

Other pain medicine physician records in California

  1. Nathan Abdelsayed, M.DWest Covina, CA1295230142
  2. Waheeda AhmedFair Oaks, CA1962949354
  3. Muhammad Alghannam, MDYuba City, CA1902859416
  4. Fadi Alhatem, M.D.Beverly Hills, CA1467672485
  5. Emile Allen, M.D.Oakland, CA1043546625
  6. Kasra Amirdelfan, MDWalnut Creek, CA1033113642
  7. Rasheed Amireh, MDFresno, CA1023040748
  8. Joe ArbourHuntington Beach, CA1649918889
  9. Peregrina Arciaga, M.D.Los Angeles, CA1831120070
  10. Kamyar Assil, MDThousand Oaks, CA1750321568

Common questions

What is Zachary Cohen, M.D.'s NPI number?

Zachary Cohen, M.D.'s National Provider Identifier (NPI) is 1598021982, issued on Apr 10, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Zachary Cohen, M.D. located?

The NPPES record lists a practice address at 5395 Ruffin RD Ste 204, San Diego, CA, 92123. Phone: (858) 571-3630. Providers update this record themselves, so call before visiting.

How can I verify Zachary Cohen, M.D.'s license?

NPPES lists California license number A146733, 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 Zachary Cohen, M.D. prescribe under Medicare Part D?

In 2024, Zachary Cohen, M.D. had 1,277 Medicare Part D claims for 369 beneficiaries; the average among pain medicine physician prescribers was 2,094. Part D covers Medicare prescriptions only.

What is Zachary Cohen, M.D.'s Medicare quality score?

The 2023 MIPS final score is 0 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.