Amy Williams, M.D.
NPI 1912978016 · Nephrology Physician · Rochester, MN
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Amy Williams, M.D. is a Nephrology Physician provider in Rochester, MN (NPI 1912978016).
Provider details
- NPI number
- 1912978016
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 29297 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-28
- Last updated
- 2020-08-21
- Certified
- 2020-08-21
Frequently asked questions
- What is Amy Williams's NPI number?
- Amy Williams's National Provider Identifier (NPI) is 1912978016, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Amy Williams's specialty?
- Amy Williams is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Amy Williams located?
- Amy Williams's practice location on file with NPPES is 200 1st St Sw, Rochester, MN 55905.
- What is Amy Williams's phone number?
- The practice phone number listed in the NPPES registry for Amy Williams is (507) 284-2511.
- Does Amy Williams accept Medicare?
- Amy Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Amy Williams's NPI active?
- Yes — Amy Williams's NPI (1912978016) is active in the NPPES registry as of the last update on 2020-08-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.