Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Penelope Aikin Jackson, M.D.

Internal Medicine Physician in Granbury, TX · enumerated 2006 · practices at Lake Granbury Internal Medicine & Pediatrics, PA.

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

National Provider Identifier

1548240682

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Registry record

Entity type Individual (Type 1)

Name Dr. Penelope Aikin Jackson

Credential M.D.

Sex Female

Practice address 2005 Rockview Drive, Granbury, TX, 76049

Phone (817) 579-1005

Fax (817) 579-1093

Enumeration date Jan 17, 2006

Last updated in NPPES Mar 18, 2014

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License L2078 (TX) Primary

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 Penelope Jackson's NPI record?

Cross-check NPI 1548240682 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1548240682 active?

Yes, as of the latest NPPES snapshot, NPI 1548240682 is active (record last updated 2014-03-18).

Other providers at this practice address

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Lake Granbury Internal Medicine & Pediatrics, PA Internal Medicine Physician · Granbury, TX NPI 1972608636

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-03-18.