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Hematology/Oncology

Shernan Holtan, MD

Sees patients in Buffalo, NY · New York

Summary

Shernan Holtan, MD (Hematology/Oncology) is enrolled with Medicare at 1 practice location in Buffalo, NY. NPI 1780664284. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Shernan Holtan, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Hematology/OncologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
23Years since medical school (graduated 2003)
University Of Nebraska College Of MedicineMedical school
FemaleGender (as listed)
Roswell Park Cancer InstituteGroup practice

Quick answers

Where does Shernan Holtan see patients?
Medicare's clinician data lists 1 practice location in Buffalo, NY. Call before your visit to confirm the address.
What is Shernan Holtan's specialty?
Medicare lists Hematology/Oncology as the primary specialty.
Does Shernan Holtan accept Medicare assignment?
Yes. Medicare's clinician data says Shernan Holtan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Shernan Holtan offer telehealth?
Medicare's clinician data says Shernan Holtan offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Shernan Holtan?
(716) 845-2300, as listed in official Medicare / NPI Registry data.
What is Shernan Holtan's NPI number?
1780664284. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Shernan Holtan is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Shernan Holtan as a member of this group (CMS data updated 2026-10-02).

  • Roswell Park Cancer Institute488 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in New York →

Other hematologist-oncologists in Buffalo

Clinicians with the same Medicare primary specialty in Buffalo, NY — not a recommendation.

All hematologist-oncologists in Buffalo →

Clinician information

CredentialMD
Medical schoolUniversity Of Nebraska College Of Medicine
Graduation year2003
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1780664284
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians