Thomas Blumenfeld, M.D.
NPI 1962479089 · Orthopaedic Surgery Physician · Pleasanton, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Blumenfeld, M.D. is a Orthopaedic Surgery Physician provider in Pleasanton, CA (NPI 1962479089).
Provider details
- NPI number
- 1962479089
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G075858 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$7,871 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 2801 K StSte 500Sacramento, CA 95816-5119Phone: (916) 732-3340Fax: (916) 732-3360
Registry dates
- Enumerated
- 2006-03-07
- Last updated
- 2020-04-22
- Certified
- 2020-04-22
Frequently asked questions
- What is Thomas Blumenfeld's NPI number?
- Thomas Blumenfeld's National Provider Identifier (NPI) is 1962479089, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Blumenfeld's specialty?
- Thomas Blumenfeld is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Blumenfeld located?
- Thomas Blumenfeld's practice location on file with NPPES is 5725 W Las Positas Blvd Ste 200, Pleasanton, CA 94588-4007.
- What is Thomas Blumenfeld's phone number?
- The practice phone number listed in the NPPES registry for Thomas Blumenfeld is (925) 272-2860.
- Does Thomas Blumenfeld accept Medicare?
- Thomas Blumenfeld is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Blumenfeld's NPI active?
- Yes — Thomas Blumenfeld's NPI (1962479089) is active in the NPPES registry as of the last update on 2020-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.