Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Rajan S Karuvelankulam Subbiah, M.D

Pulmonary Disease Physician in Rock Hill, NY · enumerated 2007 · practices at Crystal Run Healthcare Physicians LLP.

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

National Provider Identifier

1598984601

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Registry record

Entity type Individual (Type 1)

Name Rajan S Karuvelankulam Subbiah

Credential M.D

Sex Male

Practice address 61 Emerald Pl, Rock Hill, NY, 12775

Phone (845) 794-6999

Fax (845) 703-6297

Enumeration date Apr 25, 2007

Last updated in NPPES Oct 16, 2020

Taxonomy & licenses

207RC0200X Critical Care Medicine (Internal Medicine) Physician Allopathic & Osteopathic Physicians · License 275015 (NY) Secondary

207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians · License 275015 (NY) Primary

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

Other identifiers

Identifier	Type	State	Issuer
03221712	Medicaid	NY	-

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.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1598984601 active?

Yes, as of the latest NPPES snapshot, NPI 1598984601 is active (record last updated 2020-10-16).

How do I verify Rajan Karuvelankulam Subbiah's NPI record?

Cross-check NPI 1598984601 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Timothy Rydell Obstetrics & Gynecology Physician · Rock Hill, NY NPI 1508866096 Hal Teitelbaum Internal Medicine Physician · Rock Hill, NY NPI 1720070204 Zoltan Fekete Neurology Physician · Rock Hill, NY NPI 1285627216 Scot Selbo Internal Medicine Physician · Rock Hill, NY NPI 1538141726 Jennifer Shamah Obstetrics & Gynecology Nurse Practitioner · Rock Hill, NY NPI 1871575019 Robert Scoyni Gastroenterology Physician · Rock Hill, NY NPI 1427030691 Laurence Tawil Internal Medicine Physician · Rock Hill, NY NPI 1033191226 Todd Jessup Gastroenterology Physician · Rock Hill, NY NPI 1144202979

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-16.