MELISSA BAK FNP
NPI 1235531211
Nurse Practitioner - Family in Binghamton, NY
About Melissa Bak Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MELISSA BAK FNP (NPI 1235531211) is an individual family provider in Binghamton, New York, licensed in New York (338956) and active in the NPI registry since September 2014. She is enrolled in Medicare PECOS, is affiliated with Rochester General Hospital, and is a graduate of Other (2015).
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
Melissa Bak Fnp 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
4Medicare enrollment records show Melissa Bak reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Liverpool, NY 13090
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Wellnow Urgent Care, P.C.
- 511 clinicians in this Medicare group
Clifton Springs, NY 14432
- Reassigned Medicare billing, New York enrollment
- 872 clinicians in this Medicare group
Newark, NY 14513
- Reassigned Medicare billing, New York enrollment
- 679 clinicians in this Medicare group
Sodus, NY 14551
- Reassigned Medicare billing, New York enrollment
- 2,285 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 2
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Rochester General Hospital
Acute Care Hospitals · Rochester, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 13904 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Melissa Bak's NPI number?
The NPI number for Melissa Bak is 1235531211. It was assigned to this individual provider in the NPPES registry on September 22, 2014.
Where is Melissa Bak located?
Melissa Bak practices at 276-280 Robinson St, Binghamton, NY 13904. The listed phone number is (607) 722-2769.
What is Melissa Bak's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Melissa Bak enrolled in Medicare?
Yes. Melissa Bak 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 Melissa Bak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Bak reassigns Medicare benefits to 4 organizations: Wellnow Urgent Care, PC (Liverpool, NY), Clifton Springs Sanitarium Co (Clifton Springs, NY), Newark Wayne Community Hospital (Newark, NY) and Rochester General Hospital (Sodus, 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 Melissa Bak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Melissa Bak affiliated with any hospitals?
According to CMS data, Melissa Bak is affiliated with Rochester General Hospital.
When was this NPI record last updated?
The NPPES record for Melissa Bak was last updated on September 22, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Melissa Bak, FNP · NPI 1235531211
Family physician in Binghamton, New York. Individual provider, active in the CMS NPPES registry since September 22, 2014.
## Identity
- **NPI:** 1235531211 (Entity type: Individual)
- **Enumerated:** September 22, 2014
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 338956 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 276-280 ROBINSON ST, Binghamton, NY 13904-1659
- **Phone:** (607) 722-2769
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Wellnow Urgent Care, PC (NPI 1669825162, Liverpool, NY); Clifton Springs Sanitarium Co (NPI 1366505463, Clifton Springs, NY); Newark Wayne Community Hospital (NPI 1346369212, Newark, NY); Rochester General Hospital (NPI 1821163718, Sodus, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** September 22, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1235531211) · Data from the CMS NPPES public registry.