NPPES file of Aug 9, 2026

Nelson Berkowitz, M.D.

Anesthesiology Physician · Rancho Mirage, CA

Nelson Berkowitz, M.D. is an anesthesiology physician with a practice address in Rancho Mirage, California, and NPI 1023199858, issued on Oct 18, 2006. Check the license (California G55477, 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
1023199858
Name
Nelson Berkowitz
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
G55477 CA
Self-reported in NPPES; status is on the state search
Practice location
39000 Bob Hope Dr, Rancho Mirage, CA 92270
Phone
(760) 340-3911
Enumerated
Oct 18, 2006
Record last updated
Feb 26, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
00G554770 CA
Medicare enrollment
Enrolled (PECOS I20101025000917); accepts Medicare assignment
Medical or professional school
University Of California, Irvine, California College Of Medicine, 1984
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 39000 Bob Hope Dr

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

  1. Benedict Abaya, FNP-BC, FNP-CFamily Nurse Practitioner1417685462
  2. Mehrdad Abbasi, MDInternal Medicine Physician1477646776
  3. Ala Abojaradeh, MDStudent in an Organized Health Care Education/Training Program1316733900
  4. Naeem Abu-Shehab, M.D.Hospitalist Physician1134363252
  5. Roux Abubakar, MDHospitalist Physician1982223822
  6. Mohammad Abushehab, MDStudent in an Organized Health Care Education/Training Program1457293516

Verify Nelson Berkowitz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G55477
    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.

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The practice group's MIPS final score for 2023 (Medicare payment program): 84.3 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 score89.0
  2. Costout of 100 · 30%58.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  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: $144.78

2 payments; by number, the most common kind was food and beverage; the largest payer was Heron Therapeutics, Inc. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nelson Berkowitz$144.78
  2. Specialty average$669.59

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

One hospital affiliation

  1. Eisenhower Medical CenterRancho Mirage, CA · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Nelson Berkowitz among 7,571 anesthesiology physician records in California

Nelson Berkowitz, M.D. is one of 7,571 anesthesiology physician records with a practice address in California. 71% 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, 53% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1984 · median 2006 among the 4,868 with a school on file
  • Record last updated2020 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

60 anesthesiology physician records list a practice address in Rancho Mirage

They are 60 of the 1,600 NPPES records with a practice address in Rancho Mirage, and 7,571 anesthesiology physician records in California.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Oksana Bantley, MDRancho Mirage, CA 922701689606154
  2. Patricia Cole, M.D.Rancho Mirage, CA 922701447270434
  3. Joel Delapaz, D.O.Rancho Mirage, CA 922701972596922
  4. Lee Erlendson, M.D.Rancho Mirage, CA 922701962429886
  5. Aubrey Eyer, M.D.Rancho Mirage, CA 922701821015843
  6. Rodrigo Herreros, M.D.Rancho Mirage, CA 922701528084027
  7. Amir Ibrahim, M.D.Rancho Mirage, CA 922701730145186
  8. Michael Kessler, MDRancho Mirage, CA 922701124005244

Common questions

What is Nelson Berkowitz, M.D.'s NPI number?

Nelson Berkowitz, M.D.'s National Provider Identifier (NPI) is 1023199858, issued on Oct 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Nelson Berkowitz, M.D. located?

The NPPES record lists a practice address at 39000 Bob Hope Dr, Rancho Mirage, CA, 92270. Phone: (760) 340-3911. Providers update this record themselves, so call before visiting.

How can I verify Nelson Berkowitz, M.D.'s license?

NPPES lists California license number G55477, 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.

What is Nelson Berkowitz, M.D.'s MIPS final score?

The 2023 MIPS final score is 84.3 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.