DR. NISAR A. ALVI M.D.
NPI 1124124565
Hospitalist in Johnson City, NY
About Dr. Nisar A. Alvi M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NISAR A. ALVI M.D. (NPI 1124124565) is an individual hospitalist provider in Johnson City, New York, licensed in Indiana (01089213A) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Aurelia Osborn Fox Memorial Hospital, and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
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. Nisar A. Alvi M.d. 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
11Medicare enrollment records show Nisar Alvi reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sayre, PA 18840
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Guthrie Medical Group PC
- 830 clinicians in this Medicare group
Cooperstown, NY 13326
- Reassigned Medicare billing, New York enrollment
- 1,052 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
Fort Wayne, IN 46804
- Reassigned Medicare billing, Indiana enrollment
- 309 clinicians in this Medicare group
Bluffton, IN 46714
- Reassigned Medicare billing, Indiana enrollment
- 69 clinicians in this Medicare group
Mishawaka, IN 46545
- Reassigned Medicare billing, Indiana enrollment
- 228 clinicians in this Medicare group
Mishawaka, IN 46544
- Reassigned Medicare billing, Indiana enrollment
- 384 clinicians in this Medicare group
New Albany, IN 47150
- Reassigned Medicare billing, Indiana enrollment
- 163 clinicians in this Medicare group
Humble, TX 77338
- Reassigned Medicare billing, Kansas enrollment
- 245 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 6
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Aurelia Osborn Fox Memorial Hospital
Acute Care Hospitals · Oneonta, NYBassett Healthcare
Acute Care Hospitals · Cooperstown, NYO'connor Hospital
Critical Access Hospitals · Delhi, NYLittle Falls Hospital
Critical Access Hospitals · Little Falls, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 13790 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
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 Nisar Alvi's NPI number?
The NPI number for Nisar Alvi is 1124124565. It was assigned to this individual provider in the NPPES registry on September 15, 2006.
Where is Nisar Alvi located?
Nisar Alvi practices at 346 Grand Ave, Johnson City, NY 13790. The listed phone number is (607) 729-8156.
What is Nisar Alvi's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Nisar Alvi enrolled in Medicare?
Yes. Nisar Alvi 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 Nisar Alvi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nisar Alvi reassigns Medicare benefits to 11 organizations: Guthrie Medical Group, P.C. (Sayre, PA), Mary Imogene Bassett Hospital (Cooperstown, NY), Hospitalist Medicine Physicians Of New York, PLLC (Bronx, NY), Cogent Medical Care PC (East Patchogue, NY), Hospitalist Physicians Of Indiana, PC (Fort Wayne, IN) and 6 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 Nisar Alvi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nisar Alvi accept?
Health plans from Anthem Blue Cross and Blue Shield list Nisar Alvi as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Nisar Alvi affiliated with any hospitals?
According to CMS data, Nisar Alvi is affiliated with Aurelia Osborn Fox Memorial Hospital, Bassett Healthcare, O'connor Hospital and Little Falls Hospital.
When was this NPI record last updated?
The NPPES record for Nisar Alvi was last updated on July 6, 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.
# Dr. Nisar A. Alvi, M.D. · NPI 1124124565
Hospitalist physician in Johnson City, New York. Individual provider, active in the CMS NPPES registry since September 15, 2006.
## Identity
- **NPI:** 1124124565 (Entity type: Individual)
- **Enumerated:** September 15, 2006
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 01089213A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 346 GRAND AVE, Johnson City, NY 13790-2580
- **Phone:** (607) 729-8156 · **Fax:** (607) 729-2209
## 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:** 11 organizations under Medicare reassignment (form CMS-855R): Guthrie Medical Group, P.C. (NPI 1053363408, Sayre, PA); Mary Imogene Bassett Hospital (NPI 1083664221, Cooperstown, NY); Hospitalist Medicine Physicians Of New York, PLLC (NPI 1205944329, Bronx, NY); Cogent Medical Care PC (NPI 1912941238, East Patchogue, NY); Hospitalist Physicians Of Indiana, PC (NPI 1306576277, Fort Wayne, IN); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** July 6, 2023
- **Other identifiers:** Medicaid 02618606 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1124124565) · Data from the CMS NPPES public registry.