MS. CHRISTINE PFEIFER NP
NPI 1861173957
Nurse Practitioner - Adult Health in New York, NY
About Ms. Christine Pfeifer Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. CHRISTINE PFEIFER NP (NPI 1861173957) is an individual adult health provider in New York, New York, licensed in New York (311367) and active in the NPI registry since July 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses
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
Ms. Christine Pfeifer Np 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 Reassignments
2Medicare enrollment records show Christine Pfeifer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10065
- Reassigned Medicare billing, New York enrollment
- 428 clinicians in this Medicare group
New York, NY 10065
- Reassigned Medicare billing, New York enrollment
- 248 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 10065 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
NEW YORK, NY 10065
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 Christine Pfeifer's NPI number?
The NPI number for Christine Pfeifer is 1861173957. It was assigned to this individual provider in the NPPES registry on July 31, 2023.
Where is Christine Pfeifer located?
Christine Pfeifer practices at 1275 York Ave, New York, NY 10065. The listed phone number is (212) 639-2000.
What is Christine Pfeifer's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Christine Pfeifer enrolled in Medicare?
Yes. Christine Pfeifer 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 Christine Pfeifer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christine Pfeifer reassigns Medicare benefits to 2 organizations: Memorial Hematology Lymphoma Group (New York, NY) and Mskcc Clinical Practice Plan (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 Christine Pfeifer'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 Christine Pfeifer was last updated on July 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Ms. Christine Pfeifer, NP · NPI 1861173957
Adult Health physician in New York, New York. Individual provider, active in the CMS NPPES registry since July 31, 2023.
## Identity
- **NPI:** 1861173957 (Entity type: Individual)
- **Enumerated:** July 31, 2023
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** 311367 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 1275 YORK AVE, New York, NY 10065-6007
- **Phone:** (212) 639-2000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Memorial Hematology Lymphoma Group (NPI 1891766366, New York, NY); Mskcc Clinical Practice Plan (NPI 1306096508, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** July 31, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1861173957) · Data from the CMS NPPES public registry.