Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Gregory Alan. Bartlow, M.D., Inc.

MOHS-Micrographic Surgery Physician in Newport Beach, CA · enumerated 2008 · authorized official Gregory Bartlow, Owner.

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

National Provider Identifier

1255590808

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Registry record

Entity type Organization (Type 2)

Legal business name Gregory Alan. Bartlow, M.D., Inc.

Practice address 1441 Avocado Ave, 806, Newport Beach, CA, 92660

Phone (949) 718-1222

Fax (949) 718-1220

Enumeration date Jun 7, 2008

Last updated in NPPES Feb 6, 2017

Taxonomy & classification

207ND0101X MOHS-Micrographic Surgery Physician Allopathic & Osteopathic Physicians · License A24898 (CA) Primary

Authorized official

Name Gregory Bartlow

Title Owner

Phone (949) 718-1222

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

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

What type of organization is Gregory Alan. Bartlow, M.D., Inc.?

Gregory Alan. Bartlow, M.D., Inc. is registered in NPPES as a MOHS-Micrographic Surgery Physician (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-02-06.