DR. RYAN MICHAEL GREYTAK M.D.
NPI 1750604617
Psychiatry & Neurology - Psychiatry in Fresno, CA

Q: What is Ryan Greytak's NPI number?

The NPI number for Ryan Greytak is 1750604617. It was assigned to this individual provider in the NPPES registry on March 8, 2010.

Q: What is Ryan Greytak's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Ryan Greytak was last updated on April 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.

Active since March 08, 2010PECOS EnrolledAccepts Medicare Assignment

4855 E CESAR CHAVEZ BLVD, FRESNO, CA 93727(559) 255-8395 Get Directions Write a Review

NPPES record last updated: April 2, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 2, 2025, Dec 15, 2023, Oct 22, 2021 and 1 more (4 updates tracked since 2019).

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About Dr. Ryan Michael Greytak M.d. NPPES

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

DR. RYAN MICHAEL GREYTAK M.D. (NPI 1750604617) is an individual psychiatry provider in Fresno, California, licensed in California (A126390) and active in the NPI registry since March 2010. He is enrolled in Medicare PECOS, maintains 5 additional practice locations, and is a graduate of University Of Pittsburgh School Of Medicine (2009).

NPPES Registry Identity

NPI1750604617

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. RYAN MICHAEL GREYTAKCredential: M.D.

Location Address4855 E CESAR CHAVEZ BLVDFresno, CA 93727-3811

Mailing Address4855 E Cesar Chavez BlvdFresno, CA 93727-3811 · (559) 255-8395

Phone(559) 255-8395

Sole ProprietorYes

Medical School CMSUniversity Of Pittsburgh School Of MedicineGraduated 2009

Enumeration DateMarch 8, 2010

Last NPPES UpdateApril 2, 20254 updates tracked since enumeration

NPPES CertifiedMarch 20, 2025

✔ NPI 1750604617 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in CA · A126390

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Also ListedPsychiatry & Neurology · Geriatric PsychiatryTaxonomy 2084P0805X · License A126390 (CA)

4855 E CESAR CHAVEZ BLVD, Fresno, CA 93727

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Secondary Practice Locations 5

Location 14879 E Kings Canyon RdFresno, CA 93727-3811 · Phone (559) 255-8395

Location 26121 N Thesta St Ste 304Fresno, CA 93710-5294 · Phone (559) 538-1735

Location 34411 E Kings Canyon RdFresno, CA 93702-3604 · Phone (559) 512-8650

Location 4265 S Anita Dr Ste 102-104Orange, CA 92868-3355 · Phone (714) 410-3500 · Fax (714) 410-3526

Location 54871 E Cesar Chavez BlvdFresno, CA 93727-3811 · Phone (559) 255-8395

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. Ryan Michael Greytak 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 ID4082863394

PECOS Enrollment IDI20131024001385

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 93727 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

$176.60 typical visit price

range $58.87 – $176.60

Typical copayment $44.15 (range $14.71 – $44.15)

Most-billed visit code 99205

Established Patient

$73.16 typical visit price

range $19.28 – $144.60

Typical copayment $18.29 (range $4.82 – $36.15)

Most-billed visit code 99213

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 10

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

FAITH CIASIAB YANG

Day Training/Habilitation Specialist