DR. NAYNA DEVI RIYAT M.D.
NPI 1508122656
Internal Medicine - Gastroenterology in Stanford, CA

Active since April 03, 2012PECOS EnrolledAccepts Medicare Assignment
300 PASTEUR DR, STANFORD, CA 94305(650) 723-4000 Get Directions Write a Review

NPPES record last updated: September 26, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 26, 2022, Nov 17, 2020, Sep 4, 2020 (3 updates tracked since 2020).

About Dr. Nayna Devi Riyat M.d. NPPES

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

DR. NAYNA DEVI RIYAT M.D. (NPI 1508122656) is an individual gastroenterology provider in Stanford, California, licensed in California (A181985) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Rush Medical College Of Rush University (2012).

NPPES Registry Identity

NPI1508122656
Entity TypeIndividualFemale
Primary Taxonomy207RG0100X
Provider Legal NameDR. NAYNA DEVI RIYATCredential: M.D.
Location Address300 PASTEUR DRStanford, CA 94305-2200
Mailing Address300 Pasteur DrStanford, CA 94305-2200 · (650) 723-4000
Sole ProprietorNo
Medical School CMSRush Medical College Of Rush UniversityGraduated 2012
Enumeration DateApril 3, 2012
Last NPPES UpdateSeptember 26, 20223 updates tracked since enumeration
NPPES CertifiedSeptember 26, 2022
NPI 1508122656 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in CA · A181985
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License A181985 (CA)
300 PASTEUR DR, Stanford, CA 94305

Secondary Practice Locations 2

Location 1200 Hawkins DrIowa City, IA 52242-1009 · Phone (319) 356-4901 · Fax (319) 384-8559
Location 2105 E 9th StCoralville, IA 52241-2209 · Phone (319) 467-2000 · Fax (319) 467-2410

Accepted Insurance

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. Nayna Devi Riyat 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 ID9830491307
PECOS Enrollment IDI20221010001919
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 94305 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
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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.

Internal Medicine (Gastroenterology)
300 PASTEUR DR, ALWAY BUILD M211, MC 5187
STANFORD, CA 94305
Radiology (Vascular & Interventional Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
STANFORD, CA 94305
Radiology (Diagnostic Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Nurse Practitioner
300 PASTEUR DR
STANFORD, CA 94305
Neurological Surgery
300 PASTEUR DR
STANFORD, CA 94305
Pathology (Anatomic Pathology & Clinical Pathology)
300 PASTEUR DR, LANE 235
STANFORD, CA 94305
Internal Medicine (Critical Care Medicine)
300 PASTEUR DR
STANFORD, CA 94305

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 Nayna Riyat's NPI number?

The NPI number for Nayna Riyat is 1508122656. It was assigned to this individual provider in the NPPES registry on April 3, 2012.

Where is Nayna Riyat located?

Nayna Riyat practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.

What is Nayna Riyat's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Nayna Riyat enrolled in Medicare?

Yes. Nayna Riyat 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.

What insurance does Nayna Riyat accept?

Health plans from Sanford Health Plan list Nayna Riyat as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Nayna Riyat was last updated on September 26, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.