DR. NINA WOOLLEY RAGUNANTHAN MD
NPI 1629501572
Obstetrics & Gynecology in Pittsburgh, PA

Active since April 07, 2017PECOS EnrolledAccepts Medicare Assignment
300 HALKET ST, 300 HALKET STREET, PITTSBURGH, PA 15213(412) 641-4455 Get Directions Write a Review

NPPES record last updated: September 30, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 8, 2025, Jul 13, 2021, Jul 15, 2017 (3 updates tracked since 2017).

About Dr. Nina Woolley Ragunanthan Md NPPES

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

DR. NINA WOOLLEY RAGUNANTHAN MD (NPI 1629501572) is an individual obstetrics & gynecology provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (MD469114) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with Magee Womens Hospital Of Upmc Health System, and is a graduate of Harvard Medical School (2017).

NPPES Registry Identity

NPI1629501572
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. NINA WOOLLEY RAGUNANTHANCredential: MD
Location Address300 HALKET ST, 300 HALKET STREETPittsburgh, PA 15213-3108
Mailing Address300 Halket St Ste 4750Pittsburgh, PA 15213-3108 · (412) 641-4455
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 2017
Enumeration DateApril 7, 2017
Last NPPES UpdateSeptember 30, 20253 updates tracked since enumeration
NPPES CertifiedSeptember 30, 2025
✔ NPI 1629501572 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in PA · MD469114✔ Licensed in MS · 28828
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

Other Names 1

Former Name (1)Dr. Nina Anne Woolley Md

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

Dr. Nina Woolley Ragunanthan 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 ID7214204742
PECOS Enrollment IDI20250917002646
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

3

Medicare enrollment records show Nina Ragunanthan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
300 HALKET ST STE 1700
Pittsburgh, PA 15213
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 1,182 clinicians in this Medicare group
Obstetrics & Gynecology
300 HALKET ST
Pittsburgh, PA 15213
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 7,114 clinicians in this Medicare group
Neurology
903 EAST SUNFLOWER RD, SUITE 400
Cleveland, MS 38732
  • Reassigned Medicare billing, Mississippi enrollment
  • 42 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.

Hospital Affiliations CMS Care Compare

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

Magee Womens Hospital Of Upmc Health System

Acute Care Hospitals · Pittsburgh, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number390114
Location300 Halket StreetPittsburgh, PA 15213 · Allegheny County
Emergency services Birthing friendly

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 Nina Ragunanthan's NPI number?

The NPI number for Nina Ragunanthan is 1629501572. It was assigned to this individual provider in the NPPES registry on April 7, 2017. The provider is also known as Dr. Nina Anne Woolley MD.

Where is Nina Ragunanthan located?

Nina Ragunanthan practices at 300 Halket St 300 Halket Street, Pittsburgh, PA 15213. The listed phone number is (412) 641-4455.

What is Nina Ragunanthan's specialty?

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

Is Nina Ragunanthan enrolled in Medicare?

Yes. Nina Ragunanthan 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 Nina Ragunanthan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nina Ragunanthan reassigns Medicare benefits to 3 organizations: Upmc Community Medicine, Inc. (Pittsburgh, PA), University Of Pittsburgh Physicians (Pittsburgh, PA) and Bolivar Physician Practices LLC (Cleveland, MS). 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 Nina Ragunanthan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Nina Ragunanthan affiliated with any hospitals?

According to CMS data, Nina Ragunanthan is affiliated with Magee Womens Hospital Of Upmc Health System.

When was this NPI record last updated?

The NPPES record for Nina Ragunanthan was last updated on September 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.