Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Abhay Singh, MD, MPH

Hematology & Oncology Physician in Cleveland, OH · enumerated 2014.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1659789634

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Registry record

Entity type Individual (Type 1)

Name Abhay Singh

Credential MD, MPH

Sex Male

Practice address 9500 Euclid Ave, Cleveland, OH, 44195

Phone (216) 445-0099

Enumeration date Jul 23, 2014

Last updated in NPPES Jul 24, 2021

Taxonomy & licenses

207RH0003X Hematology & Oncology Physician Allopathic & Osteopathic Physicians · License 35.142263 (OH) Primary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 307628 (NY) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 307628 (NY) Secondary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

How do I verify Abhay Singh's NPI record?

Cross-check NPI 1659789634 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1659789634 active?

Yes, as of the latest NPPES snapshot, NPI 1659789634 is active (record last updated 2021-07-24).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-07-24.