Thomas Markiewith, P.A.
NPI 1427086149 · Surgical Physician Assistant · Walnut Creek, CA
Thomas Markiewith, P.A. is a Surgical Physician Assistant provider in Walnut Creek, CA (NPI 1427086149).
Provider details
- NPI number
- 1427086149
- Entity type
- Individual
- Primary specialty
- Surgical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Male
- Sole proprietor
- No
- License
- PA13892 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-06-29
- Last updated
- 2008-04-30
Frequently asked questions
- What is Thomas Markiewith's NPI number?
- Thomas Markiewith's National Provider Identifier (NPI) is 1427086149, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Markiewith's specialty?
- Thomas Markiewith is listed in the NPPES registry with a primary specialty of Surgical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Thomas Markiewith located?
- Thomas Markiewith's practice location on file with NPPES is 2405 Shadelands Dr, Walnut Creek, CA 94598-2444.
- What is Thomas Markiewith's phone number?
- The practice phone number listed in the NPPES registry for Thomas Markiewith is (925) 939-8585.
- Is Thomas Markiewith's NPI active?
- Yes — Thomas Markiewith's NPI (1427086149) is active in the NPPES registry as of the last update on 2008-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.