NPPES file of Aug 9, 2026

Bernard Aron Michlin, M.D.

Internal Medicine Physician · San Diego, CA

Bernard Aron Michlin, M.D. is an internal medicine physician with a practice address in San Diego, California, and NPI 1861492738, issued on Jul 21, 2005. Check the license (California G43755, 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
1861492738
Name
Bernard Aron Michlin
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G43755 CA
Self-reported in NPPES; status is on the state search
Practice location
6367 Alvarado CT, San Diego, CA 92120
Phone
(619) 583-1954
Enumerated
Jul 21, 2005
Record last updated
May 25, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(619) 583-2875
Medicaid ID
00G437550 CA
Medicare enrollment
Enrolled (PECOS I20110518000652); accepts Medicare assignment
Medical or professional school
College Of Medicine And Surgery, 1979
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 6367 Alvarado CT

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

  1. Providence Alvira, AU.D CCC-AAudiologist-Hearing Aid Fitter1669645776
  2. Cameron Chan, PA-CMedical Physician Assistant1326440660
  3. Michelle Kabakibi, DNP, FNP-C, AGNP-CFamily Nurse Practitioner1154849909
  4. Daniel Marnell, MDDermatology Physician1508831280
  5. Jose Otero, M.D.Surgery of the Hand (Plastic Surgery) Physician1033176763
  6. Ramesh Rakholia, RPHPharmacist1558440941

Verify Bernard Aron Michlin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G43755
    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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9.0 times the Medicare Part D claims of the average internal medicine physician in 2024

28,499 Medicare Part D claims for 991 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 202 claims were for opioids.

  1. Bernard Michlin28,499
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium1,448 claims
  2. Atorvastatin Calcium1,367 claims
  3. Amlodipine Besylate931 claims
  4. Lisinopril849 claims
  5. Farxiga545 claims
  6. Gabapentin517 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: $4,742.86

224 payments; by number, the most common kind was food and beverage; the largest payer was Ucb, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Bernard Michlin$4,742.86
  2. Specialty average$1,303.06

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. Bernard A Michlin MD A Professional CorporationSan Diego, CA

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

Bernard Aron Michlin among 17,696 internal medicine physician records in California

Bernard Aron Michlin, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 95% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1979 · median 2004 among the 11,065 with a school on file
  • Record last updated2021 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

961 internal medicine physician records list a practice address in San Diego

They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Wilfredo Abesamis, M.D.San Diego, CA 921201992754832
  2. Kenneth Antons, M.D.San Diego, CA 921201982668182
  3. David Chang, M.D.San Diego, CA 921201073596342
  4. Fred Corey, M.D.San Diego, CA 921201912989674
  5. Elaine Gertser, MDSan Diego, CA 921201992719967
  6. Joanne Keenan, D.O.San Diego, CA 921201043281074
  7. Hyunsoo Kim, MDSan Diego, CA 921201598789737
  8. Murray Kornblit, M.D.San Diego, CA 921201932181682

Common questions

What is Bernard Aron Michlin, M.D.'s NPI number?

Bernard Aron Michlin, M.D.'s National Provider Identifier (NPI) is 1861492738, issued on Jul 21, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Bernard Aron Michlin, M.D. located?

The NPPES record lists a practice address at 6367 Alvarado CT, San Diego, CA, 92120. Phone: (619) 583-1954. Providers update this record themselves, so call before visiting.

How can I verify Bernard Aron Michlin, M.D.'s license?

NPPES lists California license number G43755, 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 Bernard Aron Michlin, M.D. prescribe under Medicare Part D?

In 2024, Bernard Aron Michlin, M.D. had 28,499 Medicare Part D claims for 991 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.