KRISTEN WILLIAMS MD
NPI 1083291694
Obstetrics & Gynecology in Pittsburgh, PA

Active since March 28, 2021PECOS EnrolledAccepts Medicare Assignment
300 HALKET ST, PITTSBURGH, PA 15213(304) 551-3459 Get Directions Write a Review

NPPES record last updated: June 9, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Kristen Williams Md NPPES

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

KRISTEN WILLIAMS MD (NPI 1083291694) is an individual obstetrics & gynecology provider in Pittsburgh, Pennsylvania, licensed in Maryland (D0104302) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Baltimore, and is a graduate of Meharry Medical College School Of Medicine (2021).

NPPES Registry Identity

NPI1083291694
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameKRISTEN WILLIAMSCredential: MD
Location Address300 HALKET STPittsburgh, PA 15213-3108
Mailing Address3600 Forbes Ave Ste 140Pittsburgh, PA 15213-3410 · (443) 777-7000
Sole ProprietorNo
Medical School CMSMeharry Medical College School Of MedicineGraduated 2021
Enumeration DateMarch 28, 2021
Last NPPES UpdateJune 9, 2026
NPPES CertifiedJune 9, 2026
✔ NPI 1083291694 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in MD · D0104302
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
300 HALKET ST, Pittsburgh, PA 15213

Secondary Practice Location 1

Location 19000 Franklin Square DrBaltimore, MD 21237-3901 · Phone (443) 777-7000

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

Kristen Williams 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 ID6608383401
PECOS Enrollment IDI20250728000929
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 Kristen Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
1145 19TH ST NW, SUITE 311
Washington, DC 20036
  • Reassigned Medicare billing, Maryland enrollment
  • 2,602 clinicians in this Medicare group

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 15213 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
$126.34 typical visit price
range $54.64 – $166.87
Typical copayment $31.58 (range $13.66 – $41.71)
Most-billed visit code 99204
Established Patient
$68.36 typical visit price
range $17.33 – $135.84
Typical copayment $17.09 (range $4.33 – $33.96)
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.

Nurse Practitioner (Obstetrics & Gynecology)
300 HALKET ST, SUITE 0610
PITTSBURGH, PA 15213
Nurse Practitioner
300 HALKET ST
PITTSBURGH, PA 15213
Nurse Practitioner (Neonatal, Critical Care)
300 HALKET ST
PITTSBURGH, PA 15213
Student in an Organized Health Care Education/Training Program
300 HALKET ST
PITTSBURGH, PA 15213
Pathology (Anatomic Pathology & Clinical Pathology)
300 HALKET ST
PITTSBURGH, PA 15213
Obstetrics & Gynecology
300 HALKET ST, SUITE 5120
PITTSBURGH, PA 15213
Pharmacist
300 HALKET ST
PITTSBURGH, PA 15213
Nurse Anesthetist, Certified Registered
300 HALKET ST, UPMC EAST
PITTSBURGH, PA 15213

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 Kristen Williams's NPI number?

The NPI number for Kristen Williams is 1083291694. It was assigned to this individual provider in the NPPES registry on March 28, 2021.

Where is Kristen Williams located?

Kristen Williams practices at 300 Halket St, Pittsburgh, PA 15213. The listed phone number is (304) 551-3459.

What is Kristen Williams's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Kristen Williams enrolled in Medicare?

Yes. Kristen Williams 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 Kristen Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristen Williams reassigns Medicare benefits to Medstar Medical Group II LLC (Washington, DC). 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 Kristen Williams'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 Kristen Williams was last updated on June 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.