NPPES file of Aug 9, 2026

Ricky Phong Tan Mac, MD

Endocrinology, Diabetes & Metabolism Physician · Long Beach, CA

Ricky Phong Tan Mac, MD is an endocrinology, diabetes & metabolism physician with a practice address in Long Beach, California, and NPI 1578581666, issued on Jul 17, 2006. Check the license (California A68178, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578581666
Name
Ricky Phong Tan Mac
Credential
MD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
A68178 CA
Self-reported in NPPES; status is on the state search
Practice location
1868 Pacific Ave, Long Beach, CA 90806
Phone
(562) 595-4718
Enumerated
Jul 17, 2006
Record last updated
May 22, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20040405000877); accepts Medicare assignment
Medical or professional school
Albert Einstein College Of Medicine Of Yeshiva University, 1997
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 1868 Pacific Ave

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

  1. Richard Berkson, MDEndocrinology, Diabetes & Metabolism Physician1699793885
  2. Matthew Clarke, MDEndocrinology, Diabetes & Metabolism Physician1528315835
  3. Mary Crocker, RN, CDEDiabetes Educator Registered Nurse1437452091
  4. Joanne Feldman, RDRegistered Dietitian1427247840
  5. Linda Kerr, NPNurse Practitioner1346268430
  6. Yasaman Mohtasebi, M.D.Endocrinology, Diabetes & Metabolism Physician1962687889

Verify Ricky Phong Tan Mac in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A68178
    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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Ricky Phong Tan Mac among 1,131 endocrinology, diabetes & metabolism physician records in California

Ricky Phong Tan Mac, MD is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 54% newer
  • In a Medicare fileNo · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1997 · median 2003 among the 779 with a school on file
  • Record last updated2012 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in California

There are 1,131 endocrinology, diabetes & metabolism physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Richard Berkson, MDLong Beach, CA 908061699793885
  2. Renuka Boyapalli, MDLong Beach, CA 908061558399311
  3. Lauren Choi, M.D.Long Beach, CA 908061699736132
  4. Matthew Clarke, MDLong Beach, CA 908061528315835
  5. Peter Linfoot, PH.D., M.D.Long Beach, CA 908061396777264
  6. Yasaman Mohtasebi, M.D.Long Beach, CA 908061962687889
  7. Joseph Molina, M.D.Long Beach, CA 908061194861484
  8. Kristen Nguyen, M.D.Long Beach, CA 908061669884821

Common questions

What is Ricky Phong Tan Mac, MD's NPI number?

Ricky Phong Tan Mac, MD's National Provider Identifier (NPI) is 1578581666, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ricky Phong Tan Mac, MD located?

The NPPES record lists a practice address at 1868 Pacific Ave, Long Beach, CA, 90806. Phone: (562) 595-4718. Providers update this record themselves, so call before visiting.

How can I verify Ricky Phong Tan Mac, MD's license?

NPPES lists California license number A68178, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.