Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mr. Harwinder Singh Ahluwalia, MD

Pulmonary Disease Physician in Pottsville, PA · enumerated 2006.

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

National Provider Identifier

1447227749

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Registry record

Entity type Individual (Type 1)

Name Mr. Harwinder Singh Ahluwalia

Credential MD

Sex Male

Practice address Pottsville, PA, 17901

Phone (570) 622-1575

Fax (570) 622-9970

Enumeration date Mar 6, 2006

Last updated in NPPES Oct 19, 2011

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207RP1001X Pulmonary Disease Physician Allopathic & Osteopathic Physicians · License MD028486E (PA) 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
01144001	Other	PA	BLUE CROSS
0008969180001	Medicaid	PA	-
016179500	Other	PA	FEDERAL BLACK LUNG

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

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Harwinder Ahluwalia?

Harwinder Ahluwalia is registered in NPPES with the primary taxonomy of Pulmonary Disease Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Other providers at this practice address

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Rajendra Singh Allergy Physician · Pottsville, PA NPI 1598760571

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-10-19.