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SARAH KELLERHALS
NPI 1447781075
Obstetrics & Gynecology - Maternal & Fetal Medicine in Phoenix, AZ

Active since March 24, 2017PECOS EnrolledAccepts Medicare Assignment
500 W THOMAS RD STE 700, PHOENIX, AZ 85013(602) 406-7048(602) 406-7650 Get Directions Write a Review

NPPES record last updated: May 8, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 8, 2025, Mar 10, 2025, Sep 13, 2021 and 1 more (4 updates tracked since 2017).

About Sarah Kellerhals NPPES

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

SARAH KELLERHALS (NPI 1447781075) is an individual maternal & fetal medicine provider in Phoenix, Arizona, licensed in Arizona (64402) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of University Of Arizona College Of Medicine - Phoenix (2017).

NPPES Registry Identity

NPI1447781075
Entity TypeIndividualFemale
Primary Taxonomy207VM0101X
Provider Legal NameSARAH KELLERHALS
Location Address500 W THOMAS RD STE 700Phoenix, AZ 85013-4295
Mailing AddressPo Box 33269Phoenix, AZ 85067-3269 · (602) 406-4786 · Fax (916) 636-4358
Phone(602) 406-7048
Fax(602) 406-7650
Sole ProprietorNo
Medical School CMSUniversity Of Arizona College Of Medicine - PhoenixGraduated 2017
Enumeration DateMarch 24, 2017
Last NPPES UpdateMay 8, 20254 updates tracked since enumeration
NPPES CertifiedMay 8, 2025
✔ NPI 1447781075 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
License✔ Licensed in AZ · 64402
Definition
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License 64402 (AZ)
500 W THOMAS RD STE 700, Phoenix, AZ 85013
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Secondary Practice Locations 4

Location 110214 N Tatum Blvd Ste A600Phoenix, AZ 85028-4247 · Phone (602) 406-1530 · Fax (602) 406-1539
Location 23477 S Mercy Rd Ste 108Gilbert, AZ 85297-0440 · Phone (480) 909-3789 · Fax (480) 728-8891
Location 3485 S Dobson Rd Ste 101Chandler, AZ 85224-5603 · Phone (480) 728-5463 · Fax (480) 728-5449
Location 41727 W Frye Rd Ste 120Chandler, AZ 85224-5296 · Phone (480) 728-5463 · Fax (480) 728-5449

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna HealthCare of Arizona, Inc.Insurance ›

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 Kellerhals 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 ID8729358577
PECOS Enrollment IDI20211228001984
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

2

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

Sjhmc Physician Services
0.1 mi
Multi-Specialty
350 W THOMAS RD
Phoenix, AZ 85013
  • Reassigned Medicare billing, Arizona enrollment
  • 773 clinicians in this Medicare group
NPI 1326098005 (602) 406-3729
Maricopa County Special Health Care District
3.4 mi
Adult Mental Health
2525 E ROOSEVELT ST
Phoenix, AZ 85008
  • Reassigned Medicare billing, Arizona enrollment
  • 285 clinicians in this Medicare group
NPI 1205295581 (602) 344-8178

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 85013 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
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 12

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

CAMILLE BROWN M.S., CGC
Genetic Counselor, MS
500 W THOMAS RD STE 700
PHOENIX, AZ 85013
Maricopa County (602) 406-7048
DR. EDWIN RAPHAEL GUZMAN M.D.
Obstetrics & Gynecology (Maternal & Fetal Medicine)
500 W THOMAS RD STE 700
PHOENIX, AZ 85013
Maricopa County (602) 406-7048
CARL P WEINER MD
Obstetrics & Gynecology (Maternal & Fetal Medicine)
500 W THOMAS RD STE 700
PHOENIX, AZ 85013
Maricopa County (602) 406-7048
TESSA KAY NELSON MS, GC
Genetic Counselor, MS
500 W THOMAS RD STE 700
PHOENIX, AZ 85013
Maricopa County (602) 406-7048
DR. MICHAEL PHILLIP LEOVIC MD
Obstetrics & Gynecology (Maternal & Fetal Medicine)
500 W THOMAS RD STE 700
PHOENIX, AZ 85013
Maricopa County (602) 406-7048
DR. LINDA RUTH CHAMBLISS M.D.
Obstetrics & Gynecology (Maternal & Fetal Medicine)
500 W THOMAS RD STE 700
PHOENIX, AZ 85013
Maricopa County (602) 406-7048
DR. KENDRA GRAY DO
Obstetrics & Gynecology (Maternal & Fetal Medicine)
500 W THOMAS RD STE 700
PHOENIX, AZ 85013
Maricopa County (602) 406-7048
ERIK HOLDER MD/MPH
Obstetrics & Gynecology
500 W THOMAS RD STE 700
PHOENIX, AZ 85013
Maricopa County (602) 406-7048

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 Kellerhals's NPI number?

The NPI number for Sarah Kellerhals is 1447781075. It was assigned to this individual provider in the NPPES registry on March 24, 2017.

Where is Sarah Kellerhals located?

Sarah Kellerhals practices at 500 W Thomas Rd Ste 700, Phoenix, AZ 85013. The listed phone number is (602) 406-7048.

What is Sarah Kellerhals's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is Sarah Kellerhals enrolled in Medicare?

Yes. Sarah Kellerhals 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 organizations bill Medicare for Sarah Kellerhals's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Kellerhals reassigns Medicare benefits to 2 organizations: Sjhmc Physician Services (Phoenix, AZ) and Maricopa County Special Health Care District (Phoenix, AZ). 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 Sarah Kellerhals's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sarah Kellerhals accept?

Health plans from Cigna HealthCare of Arizona, Inc list Sarah Kellerhals 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 Sarah Kellerhals was last updated on May 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.