HANNAH LEAH SOWALSKY
NPI 1396447967
Internal Medicine in Scarsdale, NY

Active since March 20, 2023PECOS Enrolled
680 WHITE PLAINS RD, SCARSDALE, NY 10583(888) 663-6331(415) 252-7176 Get Directions Write a Review

NPPES record last updated: August 21, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 21, 2026, Mar 20, 2023 (2 updates tracked since 2023).

About Hannah Leah Sowalsky NPPES

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

HANNAH LEAH SOWALSKY (NPI 1396447967) is an individual internal medicine provider in Scarsdale, New York, licensed in New York (341144) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS and is a graduate of New York Medical College (2023).

NPPES Registry Identity

NPI1396447967
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameHANNAH LEAH SOWALSKY
Location Address680 WHITE PLAINS RDScarsdale, NY 10583-5042
Mailing Address1 Embarcadero Ctr Ste 1900San Francisco, CA 94111-3723 · (888) 663-6331 · Fax (415) 252-7176
Fax(415) 252-7176
Sole ProprietorNo
Medical School CMSNew York Medical CollegeGraduated 2023
Enumeration DateMarch 20, 2023
Last NPPES UpdateAugust 21, 20262 updates tracked since enumeration
NPPES CertifiedAugust 21, 2026
✔ NPI 1396447967 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 341144
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
680 WHITE PLAINS RD, Scarsdale, NY 10583

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hannah Leah Sowalsky is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2163880659
PECOS Enrollment IDI20260813005076
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 Hannah Sowalsky reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
111 E 210TH ST
Bronx, NY 10467
  • Reassigned Medicare billing, New York enrollment
  • 5,251 clinicians in this Medicare group
Family Medicine
489 5TH AVE FL 3
New York, NY 10017
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: One Medical Of Ny PC
  • 139 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 10583 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
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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.

Other Providers at the Same Location NPPES 8

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

Internal Medicine
680 WHITE PLAINS RD
SCARSDALE, NY 10583
Family Medicine
680 WHITE PLAINS RD
SCARSDALE, NY 10583
Family Medicine
680 WHITE PLAINS RD
SCARSDALE, NY 10583
Family Medicine
680 WHITE PLAINS RD
SCARSDALE, NY 10583
Nurse Practitioner (Adult Health)
680 WHITE PLAINS RD
SCARSDALE, NY 10583
Nurse Practitioner (Family)
680 WHITE PLAINS RD
SCARSDALE, NY 10583
Family Medicine
680 WHITE PLAINS RD
SCARSDALE, NY 10583
Family Medicine
680 WHITE PLAINS RD
SCARSDALE, NY 10583

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 Hannah Sowalsky's NPI number?

The NPI number for Hannah Sowalsky is 1396447967. It was assigned to this individual provider in the NPPES registry on March 20, 2023.

Where is Hannah Sowalsky located?

Hannah Sowalsky practices at 680 White Plains Rd, Scarsdale, NY 10583. The listed phone number is (888) 663-6331.

What is Hannah Sowalsky's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Hannah Sowalsky enrolled in Medicare?

Yes. Hannah Sowalsky is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Hannah Sowalsky's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hannah Sowalsky reassigns Medicare benefits to 2 organizations: Montefiore Medical Center (Bronx, NY) and One Medical Of Ny, P.C. (New York, NY). 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 Hannah Sowalsky'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 Hannah Sowalsky was last updated on August 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.