MUHAMMAD OBAID NIAZ MD
NPI 1154071645
Internal Medicine in Olean, NY
About Muhammad Obaid Niaz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MUHAMMAD OBAID NIAZ MD (NPI 1154071645) is an individual internal medicine provider in Olean, New York, licensed in New York (338012) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Kaleida Health, and maintains a secondary practice location in Buffalo.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Muhammad Obaid Niaz 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 Reassignments
2Medicare enrollment records show Muhammad Obaid Niaz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Olean, NY 14760
- Reassigned Medicare billing, New York enrollment
- 163 clinicians in this Medicare group
Buffalo, NY 14263
- Reassigned Medicare billing, New York enrollment
- 602 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Kaleida Health
Acute Care Hospitals · Buffalo, NYOlean General Hospital
Acute Care Hospitals · Olean, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14760 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.
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 Muhammad Obaid Niaz's NPI number?
The NPI number for Muhammad Obaid Niaz is 1154071645. It was assigned to this individual provider in the NPPES registry on March 27, 2022.
Where is Muhammad Obaid Niaz located?
Muhammad Obaid Niaz practices at 515 Main St, Olean, NY 14760. The listed phone number is (716) 373-2600.
What is Muhammad Obaid Niaz's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Muhammad Obaid Niaz enrolled in Medicare?
Yes. Muhammad Obaid Niaz 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 Muhammad Obaid Niaz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Muhammad Obaid Niaz reassigns Medicare benefits to 2 organizations: Olean General Hospital (Olean, NY) and Roswell Park Cancer Institute (Buffalo, 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 Muhammad Obaid Niaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Muhammad Obaid Niaz affiliated with any hospitals?
According to CMS data, Muhammad Obaid Niaz is affiliated with Kaleida Health and Olean General Hospital.
When was this NPI record last updated?
The NPPES record for Muhammad Obaid Niaz was last updated on March 3, 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.
# Muhammad Obaid Niaz, MD · NPI 1154071645
Internal Medicine physician in Olean, New York. Individual provider, active in the CMS NPPES registry since March 27, 2022.
## Identity
- **NPI:** 1154071645 (Entity type: Individual)
- **Enumerated:** March 27, 2022
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 338012 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 515 MAIN ST, Olean, NY 14760-1513
- **Phone:** (716) 373-2600
## 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): Olean General Hospital (NPI 1033499017, Olean, NY); Roswell Park Cancer Institute (NPI 1720036593, Buffalo, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** March 3, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1154071645) · Data from the CMS NPPES public registry.