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DR. DIANA TRISTAN ALBAY M.D
NPI 1477751691
Internal Medicine - Endocrinology, Diabetes & Metabolism in Irvine, CA

Active since July 10, 2007PECOS EnrolledAccepts Medicare Assignment
33 CREEK RD STE 130, IRVINE, CA 92604(949) 769-3443(949) 769-3444 Get Directions Write a Review

NPPES record last updated: November 30, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 30, 2021, Sep 28, 2018 (2 updates tracked since 2018).

About Dr. Diana Tristan Albay M.d NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DIANA TRISTAN ALBAY M.D (NPI 1477751691) is an individual endocrinology, diabetes & metabolism provider in Irvine, California, licensed in California (A94980) and active in the NPI registry since July 2007. She is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (2004).

NPPES Registry Identity

NPI1477751691
Entity TypeIndividualFemale
Primary Taxonomy207RE0101X
Provider Legal NameDR. DIANA TRISTAN ALBAYCredential: M.D
Location Address33 CREEK RD STE 130Irvine, CA 92604-7710
Mailing AddressPo Box 18675Irvine, CA 92623-8675 · (949) 769-3443 · Fax (949) 769-3444
Phone(949) 769-3443
Fax(949) 769-3444
Sole ProprietorNo
Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 2004
Enumeration DateJuly 10, 2007
Last NPPES UpdateNovember 30, 20212 updates tracked since enumeration
✔ NPI 1477751691 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in CA · A94980
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Also ListedInternal MedicineTaxonomy 207R00000X · License A94980 (CA)
33 CREEK RD STE 130, Irvine, CA 92604
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Diana Tristan Albay M.d is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8527137900
PECOS Enrollment IDI20080527000760
Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92604 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ROYA TOOMARIAN D.D.S
Dentist (General Practice)
33 CREEK RD STE 130
IRVINE, CA 92604
Orange County (949) 786-0640

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Diana Albay's NPI number?

The NPI number for Diana Albay is 1477751691. It was assigned to this individual provider in the NPPES registry on July 10, 2007.

Where is Diana Albay located?

Diana Albay practices at 33 Creek Rd Ste 130, Irvine, CA 92604. The listed phone number is (949) 769-3443.

What is Diana Albay's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Diana Albay enrolled in Medicare?

Yes. Diana Albay is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Diana Albay was last updated on November 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.