DR. GRACE TANDOC MARTIN M.D.
NPI 1356454086
Pediatrics in Santa Rosa, CA

Q: What is Grace Martin's NPI number?

The NPI number for Grace Martin is 1356454086. It was assigned to this individual provider in the NPPES registry on August 16, 2006.

Q: What is Grace Martin's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Grace Martin was last updated on September 27, 2022. 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.

Active since August 16, 2006PECOS Enrolled

1165 MONTGOMERY DR, SANTA ROSA, CA 95405(707) 303-8321 Get Directions Write a Review

NPPES record last updated: September 27, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 27, 2022, Nov 8, 2021, Feb 8, 2021 (3 updates tracked since 2021).

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About Dr. Grace Tandoc Martin M.d. NPPES

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

DR. GRACE TANDOC MARTIN M.D. (NPI 1356454086) is an individual pediatrics provider in Santa Rosa, California, licensed in California (A83664) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Larkspur.

NPPES Registry Identity

NPI1356454086

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameDR. GRACE TANDOC MARTINCredential: M.D.

Location Address1165 MONTGOMERY DRSanta Rosa, CA 95405-4801

Mailing Address500 Doyle Park Dr, Suite 100Santa Rosa, CA 95405-4558 · (707) 544-6090 · Fax (707) 544-2389

Phone(707) 303-8321

Sole ProprietorNo

Enumeration DateAugust 16, 2006

Last NPPES UpdateSeptember 27, 20223 updates tracked since enumeration

NPPES CertifiedSeptember 27, 2022

✔ NPI 1356454086 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in CA · A83664

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Also ListedHospitalistTaxonomy 208M00000X · License A83664 (CA)

1165 MONTGOMERY DR, Santa Rosa, CA 95405

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Secondary Practice Location 1

Location 11100 Larkspur Landing Cir Ste 10Larkspur, CA 94939-1836 · Phone (415) 464-1350

Other Identifiers 1

MedicaidGR0061380CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Grace Tandoc Martin M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

Medicare enrollment records show Grace Martin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Providence Medical Foundation

0.2 mi

Internal Medicine

500 DOYLE PARK DR, SUITE 303
Santa Rosa, CA 95405

Reassigned Medicare billing, California enrollment
1,699 clinicians in this Medicare group

NPI 1740584473 (707) 303-8300

Regents Univ Of California Ucsf

49 mi

Internal Medicine

505 PARNASSUS AVE
San Francisco, CA 94143

Reassigned Medicare billing, California enrollment
339 clinicians in this Medicare group

NPI 1124439807 (415) 476-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95405 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

$96.16 typical visit price

range $63.04 – $187.01

Typical copayment $24.04 (range $15.76 – $46.75)

Most-billed visit code 99203

Established Patient

$109.88 typical visit price

range $21.02 – $153.40

Typical copayment $27.47 (range $5.25 – $38.35)

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.

DR. RIDGELY OLIVER MULLER M.D.

Emergency Medicine

1165 MONTGOMERY DR
SANTA ROSA, CA 95405

Sonoma County (707) 525-5207

MRS. SONOE M OFT OTR/L

Occupational Therapist (Physical Rehabilitation)

1165 MONTGOMERY DR
SANTA ROSA, CA 95405

Sonoma County (707) 525-5300

BETHANY HOFFMAN

Registered Nurse (Medical-Surgical)

1165 MONTGOMERY DR
SANTA ROSA, CA 95405

Sonoma County (707) 525-5300

KATE ESTHER BLACK MD

Anesthesiology (Pain Medicine)

1165 MONTGOMERY DR
SANTA ROSA, CA 95405

Sonoma County (707) 546-3210

SAAD SULTAN PHARMD

Pharmacist

1165 MONTGOMERY DR
SANTA ROSA, CA 95405

Sonoma County (707) 525-5380

CHASE DENNIS EMERGENCY MEDICAL GROUP INC

Emergency Medicine

1165 MONTGOMERY DR
SANTA ROSA, CA 95405

Sonoma County (925) 924-1600

JAMES JOHN MC KEITH M.D.

Emergency Medicine

1165 MONTGOMERY DR, SANTA ROSA MEMORIAL HOSPITAL
SANTA ROSA, CA 95405

Sonoma County (707) 525-5207

MATTHEW BRADY THOMAS M.D.

Emergency Medicine

1165 MONTGOMERY DR
SANTA ROSA, CA 95405

Sonoma County (707) 546-3210

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 Grace Martin's NPI number?

The NPI number for Grace Martin is 1356454086. It was assigned to this individual provider in the NPPES registry on August 16, 2006.

Where is Grace Martin located?

Grace Martin practices at 1165 Montgomery Dr, Santa Rosa, CA 95405. The listed phone number is (707) 303-8321.

What is Grace Martin's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Grace Martin enrolled in Medicare?

Yes. Grace Martin is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Grace Martin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Grace Martin reassigns Medicare benefits to 2 organizations: Providence Medical Foundation (Santa Rosa, CA) and Regents Univ Of California Ucsf (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Grace Martin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Grace Martin was last updated on September 27, 2022. 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.