DR. FRANK JOSEPH FREUND DO
NPI 1609304872
Internal Medicine in Buffalo, NY
About Dr. Frank Joseph Freund Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. FRANK JOSEPH FREUND DO (NPI 1609304872) is an individual internal medicine provider in Buffalo, New York, licensed in New York (305359-01) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, is affiliated with Kaleida Health, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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
Dr. Frank Joseph Freund Do 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
9Medicare enrollment records show Frank Freund reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Buffalo, NY 14263
- Reassigned Medicare billing, New York enrollment
- 602 clinicians in this Medicare group
Buffalo, NY 14215
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Apogee Medical Group, New York, PC
- 354 clinicians in this Medicare group
Williamsville, NY 14221
- Reassigned Medicare billing, New York enrollment
- 104 clinicians in this Medicare group
Amherst, NY 14228
- Reassigned Medicare billing, New York enrollment
- 106 clinicians in this Medicare group
Dunkirk, NY 14048
- Reassigned Medicare billing, New York enrollment
- 572 clinicians in this Medicare group
Levittown, PA 19057
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Mercer Bucks Medical Associates PC
- 42 clinicians in this Medicare group
Bronx, NY 10461
- Reassigned Medicare billing, New York enrollment
- 244 clinicians in this Medicare group
East Patchogue, NY 11772
- Reassigned Medicare billing, New York enrollment
- 640 clinicians in this Medicare group
Naperville, IL 60565
- Reassigned Medicare billing, New York enrollment
- 45 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 5
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.
Kaleida Health
Acute Care Hospitals · Buffalo, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14201 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 6
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 Frank Freund's NPI number?
The NPI number for Frank Freund is 1609304872. It was assigned to this individual provider in the NPPES registry on May 31, 2017.
Where is Frank Freund located?
Frank Freund practices at 200 7th St, Buffalo, NY 14201. The listed phone number is (609) 585-1122.
What is Frank Freund's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Frank Freund enrolled in Medicare?
Yes. Frank Freund 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 Frank Freund's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Frank Freund reassigns Medicare benefits to 9 organizations: Roswell Park Cancer Institute (Buffalo, NY), Apogee Medical Group, New York, P.C. (Buffalo, NY), Infinity Medical Of Wny PC (Williamsville, NY), Infinity Medical Group P.C. (Amherst, NY), General Physician, PC (Dunkirk, NY) and 4 more organizations, listed in the Medicare section above. 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 Frank Freund's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Frank Freund affiliated with any hospitals?
According to CMS data, Frank Freund is affiliated with Kaleida Health.
When was this NPI record last updated?
The NPPES record for Frank Freund was last updated on March 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. Frank Joseph Freund, DO · NPI 1609304872
Internal Medicine physician in Buffalo, New York. Individual provider, active in the CMS NPPES registry since May 31, 2017.
## Identity
- **NPI:** 1609304872 (Entity type: Individual)
- **Enumerated:** May 31, 2017
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 305359-01 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 200 7TH ST, Buffalo, NY 14201-2161
- **Phone:** (609) 585-1122 · **Fax:** (609) 585-0309
## 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:** 9 organizations under Medicare reassignment (form CMS-855R): Roswell Park Cancer Institute (NPI 1720036593, Buffalo, NY); Apogee Medical Group, New York, P.C. (NPI 1841520236, Buffalo, NY); Infinity Medical Of Wny PC (NPI 1568883080, Williamsville, NY); Infinity Medical Group P.C. (NPI 1841648011, Amherst, NY); General Physician, PC (NPI 1093959322, Dunkirk, NY); and 4 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** March 18, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1609304872) · Data from the CMS NPPES public registry.