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DIANA BAXTER MD
NPI 1811488331
Obstetrics & Gynecology - Maternal & Fetal Medicine in Chappaqua, NY

Active since May 21, 2018PECOS Enrolled
480 BEDFORD RD, CHAPPAQUA, NY 10514(914) 223-1760 Get Directions Write a Review

NPPES record last updated: June 16, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 16, 2025, Jul 27, 2022, May 21, 2018 (3 updates tracked since 2018).

About Diana Baxter Md NPPES

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

DIANA BAXTER MD (NPI 1811488331) is an individual maternal & fetal medicine provider in Chappaqua, New York, licensed in New York (334517) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1811488331
Entity TypeIndividualFemale
Primary Taxonomy207VM0101X
Provider Legal NameDIANA BAXTERCredential: MD
Location Address480 BEDFORD RDChappaqua, NY 10514-1715
Mailing Address480 Bedford RdChappaqua, NY 10514-1715
Phone(914) 223-1760
Sole ProprietorNo
Enumeration DateMay 21, 2018
Last NPPES UpdateJune 16, 20253 updates tracked since enumeration
NPPES CertifiedJune 16, 2025
✔ NPI 1811488331 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 NY · 334517
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 ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
480 BEDFORD RD, Chappaqua, NY 10514
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1110 Irving St NWWashington, DC 20010-3017 · Phone (202) 877-7000
Location 2550 University BlvdIndianapolis, IN 46202-5149 · Phone (317) 948-5923

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Diana Baxter Md 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 Reassignment

Medicare enrollment records show Diana Baxter reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Westchester Health Medical, P.C.
7.6 mi
Allergy & Immunology
190 GOLDENS BRIDGE RD
Katonah, NY 10536
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Westchester Health Medical PC
  • 150 clinicians in this Medicare group
NPI 1386188647 (914) 232-3255

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 10514 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
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
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 20

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

SARAH TODD DPT
Physical Therapist
480 BEDFORD RD
CHAPPAQUA, NY 10514
Westchester County (914) 458-8756
JENNIFER LICHTENSTEIN LMSW
Counselor (Mental Health)
480 BEDFORD RD
CHAPPAQUA, NY 10514
Westchester County (914) 534-6030
NORTHERN WESTCHESTER HOSPITAL ASSOCIATION
Internal Medicine
480 BEDFORD RD
CHAPPAQUA, NY 10514
Westchester County (914) 458-8700
MAYA MOSKOWITZ
Dentist (General Practice)
480 BEDFORD RD
CHAPPAQUA, NY 10514
Westchester County (914) 864-1519
KATHLEEN MARY GIACCIO MS,PT
Physical Medicine & Rehabilitation
480 BEDFORD RD
CHAPPAQUA, NY 10514
Westchester County (914) 458-8763
JULIE GOLDSTEIN M.S CCC-SLP
Speech-Language Pathologist
480 BEDFORD RD
CHAPPAQUA, NY 10514
Westchester County (914) 458-8761
DR. STEVEN JOHN LIM MD
Internal Medicine (Pulmonary Disease)
480 BEDFORD RD
CHAPPAQUA, NY 10514
Westchester County (914) 231-8420
BRITTANY GARRETT DPT
Physical Therapist
480 BEDFORD RD
CHAPPAQUA, NY 10514
Westchester County (914) 458-8760

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 Diana Baxter's NPI number?

The NPI number for Diana Baxter is 1811488331. It was assigned to this individual provider in the NPPES registry on May 21, 2018.

Where is Diana Baxter located?

Diana Baxter practices at 480 Bedford Rd, Chappaqua, NY 10514. The listed phone number is (914) 223-1760.

What is Diana Baxter's specialty?

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

Is Diana Baxter enrolled in Medicare?

Yes. Diana Baxter is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Diana Baxter's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diana Baxter reassigns Medicare benefits to Westchester Health Medical, P.C. (Katonah, NY). 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 Diana Baxter'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 Diana Baxter was last updated on June 16, 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.