Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ronald Hamrick Jr., MD

Dermatology Physician in Milwaukee, WI · enumerated 2011.

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

National Provider Identifier

1447542162

Verified

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Registry record

Entity type Individual (Type 1)

Name Ronald Hamrick Jr.

Credential MD

Sex Male

Practice address 9200 W Wisconsin Ave, Milwaukee, WI, 53226

Phone (414) 805-5320

Fax (414) 805-5323

Enumeration date May 12, 2011

Last updated in NPPES Nov 5, 2020

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 54105 (TN) Secondary

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License 74215 (WI) Primary

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License MD54105 (TN) Secondary

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
Q023311	Medicaid	TN	-
5596947	Other	TN	BCBST

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 the NPI number for Ronald Hamrick?

The National Provider Identifier (NPI) for Ronald Hamrick is 1447542162, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ronald Hamrick practice?

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

Other providers at this practice address

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Anthony De Franco Cardiovascular Disease Physician · Milwaukee, WI NPI 1215930391 Froedtert Memorial Lutheran Hospital, Inc. General Acute Care Hospital · Milwaukee, WI NPI 1255334173 John Nettrour Orthopaedic Surgery Physician · Milwaukee, WI NPI 1457355810 Melissa Anglin Anesthesiology Physician · Milwaukee, WI NPI 1174522130 Wisconsin Diagnostic Laboratories LLC Clinical Medical Laboratory · Milwaukee, WI NPI 1932109675 Hakki Bolukoglu Cardiovascular Disease Physician · Milwaukee, WI NPI 1356341176 Susan Skaros Medical Physician Assistant · Milwaukee, WI NPI 1699775262 Gary Scherr Anatomic Pathology & Clinical Pathology Physician · Milwaukee, WI NPI 1083614341

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-11-05.