Brian P. Williams, MD
Pediatrics Physician · Mankato, MN
Brian P. Williams, MD is a pediatrics physician with a practice address in Mankato, Minnesota, and NPI 1578542494, issued on Jan 10, 2006. Check the license (Minnesota 46643, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Brian P. Williams
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 46643 MN
Self-reported in NPPES; status is on the state search - Practice location
- 1230 E Main St, Mankato, MN 56002
- Phone
- (507) 625-1811
- Enumerated
- Jan 10, 2006
- Record last updated
- Jul 15, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid IDs
- 874620600 MN
0593087 IA - Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 1,288 in Minnesota → Look up another NPI →
Also registered at 1230 E Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Susan Knish, RN CDEDiabetes Educator Registered Nurse1659350957
- Katherine Kurth, RN NPNurse Practitioner1447238464
- Robert Larson, MDPediatrics Physician1730167768
Verify Brian P. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 46643Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $107.11
7 payments; by number, the most common kind was food and beverage; the largest payer was Harmony Biosciences LLC. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Brian P. Williams among 1,288 pediatrics physician records in Minnesota
Brian P. Williams, MD is one of 1,288 pediatrics physician records with a practice address in Minnesota. 20% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 53% newer
- In a Medicare fileYes · 20% of these records are
- In the CMS Doctors and Clinicians fileNo · 16% of these records are
- Record last updated2020 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 pediatrics physician records list a practice address in Mankato
They are 27 of the 2,079 NPPES records with a practice address in Mankato, and 1,288 pediatrics physician records in Minnesota.
All 1,288 in Minnesota → Every provider in Mankato → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Robert Larson, MDMankato, MN 560021730167768
- Peter Nolan, MDMankato, MN 560021366421356
- Donald Putzier, MDMankato, MN 560021821077819
- Mary Smentek, MDMankato, MN 560021801878509
- Ebtihal Ahmed, MBBSMankato, MN 560011235653452
- Noelle Bach Halloin, M.D.Mankato, MN 560011639348477
- Kelly Bryan, D.O.Mankato, MN 560011942732763
- Amy Deehr, DOMankato, MN 560011659750701
Common questions
What is Brian P. Williams, MD's NPI number?
Brian P. Williams, MD's National Provider Identifier (NPI) is 1578542494, issued on Jan 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Brian P. Williams, MD located?
The NPPES record lists a practice address at 1230 E Main St, Mankato, MN, 56002. Phone: (507) 625-1811. Providers update this record themselves, so call before visiting.
How can I verify Brian P. Williams, MD's license?
NPPES lists Minnesota license number 46643, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.