DR. MASHU SHRIVASTAVA MD
NPI 1205401783
Hospitalist in Buffalo, NY
About Dr. Mashu Shrivastava Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MASHU SHRIVASTAVA MD (NPI 1205401783) is an individual hospitalist provider in Buffalo, New York, licensed in New York (338565) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS, is affiliated with Kaleida Health, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
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. Mashu Shrivastava 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
5Medicare enrollment records show Mashu Shrivastava reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Liverpool, NY 13088
- Reassigned Medicare billing, New York enrollment
- 625 clinicians in this Medicare group
Syracuse, NY 13203
- Reassigned Medicare billing, New York enrollment
- 369 clinicians in this Medicare group
Gouverneur, NY 13642
- Reassigned Medicare billing, New York enrollment
- 143 clinicians in this Medicare group
Potsdam, NY 13676
- Reassigned Medicare billing, New York enrollment
- 414 clinicians in this Medicare group
Massena, NY 13662
- Reassigned Medicare billing, New York enrollment
- 176 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, NYSt Joseph's Hospital Health Center
Acute Care Hospitals · Syracuse, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14203 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.
BUFFALO, NY 14203
BUFFALO, NY 14203
BUFFALO, NY 14203
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 Mashu Shrivastava's NPI number?
The NPI number for Mashu Shrivastava is 1205401783. It was assigned to this individual provider in the NPPES registry on May 26, 2021.
Where is Mashu Shrivastava located?
Mashu Shrivastava practices at 100 High St, Buffalo, NY 14203. The listed phone number is (716) 859-5600.
What is Mashu Shrivastava's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Mashu Shrivastava enrolled in Medicare?
Yes. Mashu Shrivastava 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 Mashu Shrivastava's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mashu Shrivastava reassigns Medicare benefits to 5 organizations: St Josephs Medical PC (Liverpool, NY), St Josephs Hospital Health Center (Syracuse, NY), Gouverneur Hospital (Gouverneur, NY), Canton-Potsdam Hospital (Potsdam, NY) and Massena Hospital Inc (Massena, 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 Mashu Shrivastava's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mashu Shrivastava affiliated with any hospitals?
According to CMS data, Mashu Shrivastava is affiliated with Kaleida Health and St Joseph's Hospital Health Center.
When was this NPI record last updated?
The NPPES record for Mashu Shrivastava was last updated on October 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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. Mashu Shrivastava, MD · NPI 1205401783
Hospitalist physician in Buffalo, New York. Individual provider, active in the CMS NPPES registry since May 26, 2021.
## Identity
- **NPI:** 1205401783 (Entity type: Individual)
- **Enumerated:** May 26, 2021
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 338565 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 HIGH ST, Buffalo, NY 14203-1126
- **Phone:** (716) 859-5600
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): St Josephs Medical PC (NPI 1942501747, Liverpool, NY); St Josephs Hospital Health Center (NPI 1508815333, Syracuse, NY); Gouverneur Hospital (NPI 1295156412, Gouverneur, NY); Canton-Potsdam Hospital (NPI 1568548782, Potsdam, NY); Massena Hospital Inc (NPI 1972604460, Massena, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** October 12, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1205401783) · Data from the CMS NPPES public registry.