NPPES file of Aug 9, 2026

Andy Hong Dang, M.D.

Endocrinology, Diabetes & Metabolism Physician · Valencia, CA

Andy Hong Dang, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Valencia, California, and NPI 1154335735, issued on Jul 28, 2006. Check the license (California A066898, 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
1154335735
Name
Andy Hong Dang
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
A066898 CA
Self-reported in NPPES; status is on the state search
Practice location
25775 Mcbean Pkwy, Valencia, CA 91355
Phone
(661) 424-8820
Enumerated
Jul 28, 2006
Record last updated
Jul 10, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(661) 424-8823
Medicaid ID
00A668980 CA
Medicare enrollment
Enrolled (PECOS I20031121000754); accepts Medicare assignment
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.
Download card Updates feed

8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →

Also registered at 25775 Mcbean Pkwy

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

  1. Sittiporn Bencharit, M.D.Gastroenterology Physician1013943331
  2. Inna Berdichevsky, FNPObstetrics & Gynecology Nurse Practitioner1053301077
  3. Douglas Engh, M.D. ,F.A.C.S., INC.Ophthalmology Physician1538249099
  4. Edgar Enriquez, M.D.Surgical Oncology Physician1376632547
  5. Catherine Finney, M.D.Rheumatology Physician1922263474
  6. Marina Fraiman, FNPFamily Nurse Practitioner1750371761

Verify Andy Hong Dang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A066898    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

44% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

3,798 Medicare Part D claims for 518 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.

  1. Andy Dang3,798
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium455 claims
  2. Ozempic263 claims
  3. Jardiance218 claims
  4. Alendronate Sodium201 claims
  5. Atorvastatin Calcium194 claims
  6. Metformin Hcl193 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: $272.08

8 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Andy Dang$272.08
  2. Specialty average$5,742.15

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. Providence Facey Medical FoundationValencia, CA

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

Andy Hong Dang among 1,131 endocrinology, diabetes & metabolism physician records in California

Andy Hong Dang, M.D. 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. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 54% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1992 · 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.

All 1,131 in California → Every provider in Valencia → Endocrinology, Diabetes & Metabolism Physician nationwide →

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

  1. Estelle Everett, M.D.Valencia, CA 913551952744773
  2. Brian PengValencia, CA 913551023637188
  3. Mark Geller, M.D.Tarzana, CA 913561093710345
  4. Yehuda Handelsman, M.D.Tarzana, CA 913561063453769
  5. Stuart Kramer, M.D.Tarzana, CA 913561649310277
  6. Joshua Rokaw, M.D.Tarzana, CA 913561356492060
  7. Paul Sogol, MDTarzana, CA 913561538235718
  8. Ardeshir Soroushyari, M.D.Tarzana, CA 913561487658811

Common questions

What is Andy Hong Dang, M.D.'s NPI number?

Andy Hong Dang, M.D.'s National Provider Identifier (NPI) is 1154335735, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Andy Hong Dang, M.D. located?

The NPPES record lists a practice address at 25775 Mcbean Pkwy, Valencia, CA, 91355. Phone: (661) 424-8820. Providers update this record themselves, so call before visiting.

How can I verify Andy Hong Dang, M.D.'s license?

NPPES lists California license number A066898, 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 Andy Hong Dang, M.D. prescribe under Medicare Part D?

In 2024, Andy Hong Dang, M.D. had 3,798 Medicare Part D claims for 518 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.