NANCY BACH MD
NPI 1477571115
Internal Medicine - Hepatology in New York, NY
About Nancy Bach Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NANCY BACH MD (NPI 1477571115) is an individual hepatology provider in New York, New York, licensed in New York (165380) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Ocean Medical Center, and is a graduate of Other (1984).
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 4
Accepted 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
Nancy Bach 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.
Medicare Billing Reassignment
Medicare enrollment records show Nancy Bach reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10029
- Reassigned Medicare billing, New Jersey and New York enrollments
- Also billed through NPI 1588937064 (New York)
- 17 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ocean Medical Center
Acute Care Hospitals · Brick, NJCentrastate Medical Center
Acute Care Hospitals · Freehold, NJBayshore Medical Center
Acute Care Hospitals · Holmdel, NJMount Sinai Hospital
Acute Care Hospitals · New York, NYStaten Island University Hospital
Acute Care Hospitals · Staten Island, NYOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10029
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 Nancy Bach's NPI number?
The NPI number for Nancy Bach is 1477571115. It was assigned to this individual provider in the NPPES registry on July 18, 2006.
Where is Nancy Bach located?
Nancy Bach practices at 5 E 98th St 12th Fl, New York, NY 10029. The listed phone number is (212) 241-8035.
What is Nancy Bach's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hepatology, with taxonomy code 207RI0008X.
Is Nancy Bach enrolled in Medicare?
Yes. Nancy Bach 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 Nancy Bach's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Bach reassigns Medicare benefits to Icahn School Of Medicine At Mount Sinai (New York, 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 Nancy Bach's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nancy Bach accept?
Health plans from Oscar Health list Nancy Bach 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.
Is Nancy Bach affiliated with any hospitals?
According to CMS data, Nancy Bach is affiliated with Ocean Medical Center, Centrastate Medical Center, Bayshore Medical Center, Mount Sinai Hospital and Staten Island University Hospital.
When was this NPI record last updated?
The NPPES record for Nancy Bach was last updated on May 16, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.
# Nancy Bach, MD · NPI 1477571115
Hepatology physician in New York, New York. Individual provider, active in the CMS NPPES registry since July 18, 2006.
## Identity
- **NPI:** 1477571115 (Entity type: Individual)
- **Enumerated:** July 18, 2006
- **Primary specialty:** Internal Medicine - Hepatology · taxonomy 207RI0008X
- **State license:** 165380 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 5 E 98TH ST, 12TH FL, New York, NY 10029-6501
- **Phone:** (212) 241-8035 · **Fax:** (212) 241-2064
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Icahn School Of Medicine At Mount Sinai (NPI 1437421252, New York, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1984
## Record status
- **NPPES last updated:** May 16, 2012
- **Other identifiers:** Medicaid 7874600 (NJ); Medicare UPIN F21592; Medicaid 01322527 (NY); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1477571115) · Data from the CMS NPPES public registry.