Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Robert H Williams, M.D.
Nephrology Physician in Cullman, AL · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1386631992
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Registry record
Entity type Individual (Type 1)
Name Dr. Robert H Williams
Credential M.D.
Sex Male
Practice address 1910 Cherokee Ave Sw, Cullman, AL, 35055
Phone (256) 739-3500
Fax (256) 775-6119
Enumeration date Sep 29, 2005
Last updated in NPPES Aug 15, 2013
Taxonomy & licenses
207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License MD6223 (AL) 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 |
|---|---|---|---|
| 000007372 | Medicaid | AL | - |
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.
Frequently asked questions
What specialty is Robert Williams?
Robert Williams is registered in NPPES with the primary taxonomy of Nephrology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
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.
Other providers at this practice address
Browse all → Cullman County Medical Clinic Inc Family Medicine Physician · Cullman, AL NPI 1609879220 National Healthcare of Cullman, Inc. General Acute Care Hospital · Cullman, AL NPI 1063483592 National Healthcare of Cullman, Inc. Psychiatric Hospital Unit · Cullman, AL NPI 1114999406 National Healthcare of Cullman, Inc. Medicare Defined Swing Bed Hospital Unit · Cullman, AL NPI 1023080314 Sultana Begum Psychiatry Physician · Cullman, AL NPI 1457304909 National Healthcare of Cullman Inc Home Health Agency · Cullman, AL NPI 1124115696 Mary Pampu Certified Registered Nurse Anesthetist · Cullman, AL NPI 1134296627 North Alabama Radiology Diagnostic Radiology Physician · Cullman, AL NPI 1700921947
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-08-15.