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SARAH E. DIAZ MARTINEZ MD
NPI 1871211938
Family Medicine in Homer City, PA

Active since August 16, 2022PECOS EnrolledAccepts Medicare Assignment
121 S MAIN ST, HOMER CITY, PA 15748(724) 479-2583(724) 479-0749 Get Directions Write a Review

NPPES record last updated: November 18, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 18, 2025, Aug 16, 2022 (2 updates tracked since 2022).

About Sarah E. Diaz Martinez Md NPPES

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

SARAH E. DIAZ MARTINEZ MD (NPI 1871211938) is an individual family medicine provider in Homer City, Pennsylvania, licensed in Pennsylvania (MT225427) and active in the NPI registry since August 2022. She is enrolled in Medicare PECOS, is affiliated with Indiana Regional Medical Center, and maintains a secondary practice location in Indiana.

NPPES Registry Identity

NPI1871211938
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameSARAH E. DIAZ MARTINEZCredential: MD
Location Address121 S MAIN STHomer City, PA 15748-1518
Mailing Address640 Kolter DrIndiana, PA 15701-3570 · (724) 357-7196 · Fax (724) 357-7279
Phone(724) 479-2583
Fax(724) 479-0749
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateAugust 16, 2022
Last NPPES UpdateNovember 18, 20252 updates tracked since enumeration
NPPES CertifiedNovember 18, 2025
✔ NPI 1871211938 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in PA · MT225427
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
121 S MAIN ST, Homer City, PA 15748
Open in Google Maps ↗

Secondary Practice Location 1

Location 1879 Hospital RdIndiana, PA 15701-3629 · Phone (724) 357-8198 · Fax (724) 357-8202

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sarah E. Diaz Martinez 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 ID244614741
PECOS Enrollment IDI20251217004234
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 Reassignment

Medicare enrollment records show Sarah Diaz Martinez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Indiana Healthcare Physician Services, Inc
7.0 mi
Radiation Oncology
640 KOLTER DR
Indiana, PA 15701
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 187 clinicians in this Medicare group
NPI 1417409186 (724) 357-7196

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Indiana Regional Medical Center

Acute Care Hospitals · Indiana, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390173
Location835 Hospital RoadIndiana, PA 15701 · Indiana County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 15748 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
$84.88 typical visit price
range $54.64 – $166.87
Typical copayment $21.22 (range $13.66 – $41.71)
Most-billed visit code 99203
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
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.

Patient Reviews User submitted

Reviews are submitted by site visitors and approved by a human moderator before publication.

Review by Twyla ***** May 26, 2026

5/5
Recently relocated to Pennsylvania. I found Dr. Diaz knowledgeable, a great communicator, unhurried and she actually looked at me & not her computer, I would be very comfortable referring her to anyone looking for a new physician.
Visited this provider? Share your experience.

Other Providers at the Same Location NPPES 3

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

INDIANA REGIONAL MEDICAL CENTER
Clinic/Center (Rural Health)
121 S MAIN ST
HOMER CITY, PA 15748
Indiana County (724) 479-2583
DR. RICHARD L BARNES MD
Family Medicine
121 S MAIN ST
HOMER CITY, PA 15748
Indiana County (724) 479-2583
AMY LYNN KRIGER DO
Family Medicine
121 S MAIN ST
HOMER CITY, PA 15748
Indiana County (724) 479-8670

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 Sarah Diaz Martinez's NPI number?

The NPI number for Sarah Diaz Martinez is 1871211938. It was assigned to this individual provider in the NPPES registry on August 16, 2022.

Where is Sarah Diaz Martinez located?

Sarah Diaz Martinez practices at 121 S Main St, Homer City, PA 15748. The listed phone number is (724) 479-2583.

What is Sarah Diaz Martinez's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Sarah Diaz Martinez enrolled in Medicare?

Yes. Sarah Diaz Martinez 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.

Which organization bills Medicare for Sarah Diaz Martinez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Diaz Martinez reassigns Medicare benefits to Indiana Healthcare Physician Services, Inc (Indiana, PA). The 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 Sarah Diaz Martinez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Sarah Diaz Martinez affiliated with any hospitals?

According to CMS data, Sarah Diaz Martinez is affiliated with Indiana Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Sarah Diaz Martinez was last updated on November 18, 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.