GRETCHEN LYNN COOMBS
NPI 1164065124
Nurse Practitioner - Acute Care in New York, NY

Active since October 22, 2019PECOS EnrolledAccepts Medicare Assignment
73.6/100
CMS Quality Rating
1275 YORK AVE, NEW YORK, NY 10065(800) 525-2225 Get Directions Write a Review

NPPES record last updated: December 4, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 4, 2019, Oct 22, 2019 (2 updates tracked since 2019).

About Gretchen Lynn Coombs NPPES

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

GRETCHEN LYNN COOMBS (NPI 1164065124) is an individual acute care provider in New York, New York, licensed in New York (F431528-01) and active in the NPI registry since October 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1164065124
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameGRETCHEN LYNN COOMBS
Location Address1275 YORK AVENew York, NY 10065-6007
Mailing Address501 E 74th St Apt 15fNew York, NY 10021-3793 · (215) 595-6765
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateOctober 22, 2019
Last NPPES UpdateDecember 4, 20192 updates tracked since enumeration
✔ NPI 1164065124 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in NY · F431528-01
1275 YORK AVE, New York, NY 10065

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

Gretchen Lynn Coombs 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 ID840628251
PECOS Enrollment IDI20200318002005
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 Gretchen Coombs reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hematology & Oncology
1275 YORK AVE
New York, NY 10065
  • Reassigned Medicare billing, New York enrollment
  • 428 clinicians in this Medicare group
Urology
1275 YORK AVE
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.

New Patient
$102.04 typical visit price
range $65.69 – $198.19
Typical copayment $25.51 (range $16.42 – $49.54)
Most-billed visit code 99203
Established Patient
$114.88 typical visit price
range $21.20 – $160.66
Typical copayment $28.72 (range $5.30 – $40.16)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

73.6/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality63.06
Improvement Activities40

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 (Adult Health)
1275 YORK AVE
NEW YORK, NY 10065
Nurse Practitioner (Acute Care)
1275 YORK AVE
NEW YORK, NY 10065
Nurse Practitioner (Adult Health)
1275 YORK AVE
NEW YORK, NY 10065
Nurse Practitioner (Pediatrics)
1275 YORK AVE
NEW YORK, NY 10065
Nurse Practitioner (Adult Health)
1275 YORK AVE
NEW YORK, NY 10065
Internal Medicine (Hematology & Oncology)
1275 YORK AVE
NEW YORK, NY 10065
Nurse Practitioner (Adult Health)
1275 YORK AVE
NEW YORK, NY 10065
Special Hospital
1275 YORK AVE, MEMORIAL SLOAN KETTERING CANCER CENTRE
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 Gretchen Coombs's NPI number?

The NPI number for Gretchen Coombs is 1164065124. It was assigned to this individual provider in the NPPES registry on October 22, 2019.

Where is Gretchen Coombs located?

Gretchen Coombs practices at 1275 York Ave, New York, NY 10065. The listed phone number is (800) 525-2225.

What is Gretchen Coombs's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Gretchen Coombs enrolled in Medicare?

Yes. Gretchen Coombs 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 Gretchen Coombs's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gretchen Coombs 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 Gretchen Coombs'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 Gretchen Coombs was last updated on December 4, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.