IndividualActive
Karlyn Williams, MD
NPI 1639812431 · Pediatrics Physician · Prescott, AZ
Karlyn Williams, MD is a Pediatrics Physician provider in Prescott, AZ (NPI 1639812431).
Provider details
- NPI number
- 1639812431
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 77683 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(65/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
2120 Centerpointe West Dr
Prescott, AZ 86301-8487
Phone: (928) 778-4581
Fax: (928) 776-1872
Street-level locationGet directions
Mailing address
1601 E Highland Ave Apt 1092
Phoenix, AZ 85016-4682
Additional practice locations (1)
- 1919 E Thomas RdPhoenix, AZ 85016-7710Phone: (602) 933-0945
Registry dates
- Enumerated
- 2022-04-19
- Last updated
- 2026-05-06
- Certified
- 2026-05-06
Frequently asked questions
- What is Karlyn Williams's NPI number?
- Karlyn Williams's National Provider Identifier (NPI) is 1639812431, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karlyn Williams's specialty?
- Karlyn Williams is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Karlyn Williams located?
- Karlyn Williams's practice location on file with NPPES is 2120 Centerpointe West Dr, Prescott, AZ 86301-8487.
- What is Karlyn Williams's phone number?
- The practice phone number listed in the NPPES registry for Karlyn Williams is (928) 778-4581.
- Is Karlyn Williams's NPI active?
- Yes — Karlyn Williams's NPI (1639812431) is active in the NPPES registry as of the last update on 2026-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.