Diana Tristan Albay, M.D
Endocrinology, Diabetes & Metabolism Physician · Irvine, CA
Diana Tristan Albay, M.D is an endocrinology, diabetes & metabolism physician with a practice address in Irvine, California, and NPI 1477751691, issued on Jul 10, 2007. Check the license (California A94980, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Diana Tristan Albay
- Credential
- M.D
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- A94980 CA
Self-reported in NPPES; status is on the state search - Practice location
- 33 Creek RD Ste 130, Irvine, CA 92604
- Phone
- (949) 769-3443
- Enumerated
- Jul 10, 2007
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (949) 769-3444
- Medicare enrollment
- Enrolled (PECOS I20080527000760); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
Also registered at 33 Creek RD Ste 130
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Roya Toomarian, D.D.SGeneral Practice Dentistry1801096102
Verify Diana Tristan Albay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A94980Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
5,466 Medicare Part D claims for 647 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 212 claims were for opioids.
Most prescribed
- Atorvastatin Calcium426 claims
- Losartan Potassium229 claims
- Levothyroxine Sodium211 claims
- Amlodipine Besylate184 claims
- Albuterol Sulfate Hfa141 claims
- Lisinopril137 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.
Diana Tristan Albay among 1,131 endocrinology, diabetes & metabolism physician records in California
Diana Tristan Albay, 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 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 42% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2004 · median 2003 among the 779 with a school on file
- Record last updated2021 · 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 Irvine → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Fazeela Baqai, M.D.Irvine, CA 926021659470565
- Jannet Huang, MDIrvine, CA 926141497796049
- Bill Jou, M.D.Temecula, CA 925921285699967
- Kathy Joo, M.D.Temecula, CA 925911457318347
- Nairi Berner, M.D.Irvine, CA 926181104093277
- Alan N Elias, MDIrvine, CA 926181154401297
- Lei Lei, M.D.Irvine, CA 926181881048072
- Vasanthi Narayan, M.D.Irvine, CA 926181598939589
Common questions
What is Diana Tristan Albay, M.D's NPI number?
Diana Tristan Albay, M.D's National Provider Identifier (NPI) is 1477751691, issued on Jul 10, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Diana Tristan Albay, M.D located?
The NPPES record lists a practice address at 33 Creek RD Ste 130, Irvine, CA, 92604. Phone: (949) 769-3443. Providers update this record themselves, so call before visiting.
How can I verify Diana Tristan Albay, M.D's license?
NPPES lists California license number A94980, 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 Diana Tristan Albay, M.D prescribe under Medicare Part D?
In 2024, Diana Tristan Albay, M.D had 5,466 Medicare Part D claims for 647 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.
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.