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ALEXANDER TYAN MD
NPI 1154784544
Internal Medicine - Endocrinology, Diabetes & Metabolism in Woodland Hills, CA

Active since April 01, 2016PECOS EnrolledAccepts Medicare Assignment
5601 DE SOTO AVE, WOODLAND HILLS, CA 91367(833) 574-2273 Get Directions Write a Review

NPPES record last updated: September 2, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 2, 2025, Feb 10, 2022, Dec 8, 2021 and 4 more (7 updates tracked since 2016).

About Alexander Tyan Md NPPES

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

ALEXANDER TYAN MD (NPI 1154784544) is an individual endocrinology, diabetes & metabolism provider in Woodland Hills, California, licensed in California (A150731) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS and is a graduate of University Of Texas Southwestern Medical School At Dallas (2016).

NPPES Registry Identity

NPI1154784544
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameALEXANDER TYANCredential: MD
Location Address5601 DE SOTO AVEWoodland Hills, CA 91367-6701
Mailing Address5601 De Soto AveWoodland Hills, CA 91367-6701 · (833) 574-2273 · Fax (818) 719-4419
Phone(833) 574-2273
Sole ProprietorNo
Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 2016
Enumeration DateApril 1, 2016
Last NPPES UpdateSeptember 2, 20257 updates tracked since enumeration
NPPES CertifiedSeptember 2, 2025
✔ NPI 1154784544 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in CA · A150731
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 A150731 (CA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
5601 DE SOTO AVE, Woodland Hills, CA 91367
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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

Alexander Tyan Md 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 ID6709283708
PECOS Enrollment IDI20210917000760
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 91367 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 20

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

TIMOTHY STARR MPT
Physical Therapist (Orthopedic)
5601 DE SOTO AVE, PHYSICAL THERAPY DEPARTMENT
WOODLAND HILLS, CA 91367
Los Angeles County (818) 719-2930
MS. BONNIE JILL WEISSMAN P.T.A.
Technician, Other
5601 DE SOTO AVE
WOODLAND HILLS, CA 91367
Los Angeles County (818) 719-3958
MANO SHANAA M.D.
Anesthesiology
5601 DE SOTO AVE, DEPT OF ANESTHESIA
WOODLAND HILLS, CA 91367
Los Angeles County (818) 719-2261
DONNA M KARY CRNA
Nurse Anesthetist, Certified Registered
5601 DE SOTO AVE
WOODLAND HILLS, CA 91367
Los Angeles County (818) 719-2000
PAULA MONAGHAN CNM
Advanced Practice Midwife
5601 DE SOTO AVE
WOODLAND HILLS, CA 91367
Los Angeles County (818) 719-2000
DEAN T. NORA MD
Surgery (Surgical Oncology)
5601 DE SOTO AVE
WOODLAND HILLS, CA 91367
Los Angeles County (818) 719-2000
MARGARET M. STONE MD
Pediatrics (Pediatric Infectious Diseases)
5601 DE SOTO AVE
WOODLAND HILLS, CA 91367
Los Angeles County (818) 719-2000
KARIN L NIELSEN PA
Physician Assistant
5601 DE SOTO AVE
WOODLAND HILLS, CA 91367
Los Angeles County (818) 719-2000

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 Alexander Tyan's NPI number?

The NPI number for Alexander Tyan is 1154784544. It was assigned to this individual provider in the NPPES registry on April 1, 2016.

Where is Alexander Tyan located?

Alexander Tyan practices at 5601 De Soto Ave, Woodland Hills, CA 91367. The listed phone number is (833) 574-2273.

What is Alexander Tyan's specialty?

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

Is Alexander Tyan enrolled in Medicare?

Yes. Alexander Tyan 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 Alexander Tyan was last updated on September 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.