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

Dr. Alexander J Asch, MD

Pediatrics Physician in North Reading, MA · enumerated 2005 · practices at Alexander J. Asch, MD,PC.

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

National Provider Identifier

1497745699

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Registry record

Entity type Individual (Type 1)

Name Dr. Alexander J Asch

Credential MD

Sex Male

Practice address North Reading, MA, 01864

Phone (978) 664-6868

Fax (978) 664-8690

Enumeration date Oct 27, 2005

Last updated in NPPES Jul 8, 2007

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

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License 43965 (MA) 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
9721088	Medicaid	MA	-

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

Where does Alexander Asch practice?

The practice location on file with NPPES is in North Reading, MA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Alexander Asch?

The National Provider Identifier (NPI) for Alexander Asch is 1497745699, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Alexander J. Asch, MD,PC Primary Care Clinic/Center · North Reading, MA NPI 1508918772

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.