William Holmes, MD
NPI 1629026141 · Orthopaedic Surgery Physician · Modesto, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Holmes, MD is a Orthopaedic Surgery Physician provider in Modesto, CA (NPI 1629026141).
Provider details
- NPI number
- 1629026141
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G81678 (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 tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
517 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 95 | $92 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 86 | $77 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 53 | $128 |
| X-Ray of Hip, 2-3 Views73502 | 50 | $50 |
| X-Ray of Knee, 1-2 Views73560 | 39 | $35 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$141 across 2 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
Registry dates
- Enumerated
- 2006-05-05
- Last updated
- 2013-03-05
Frequently asked questions
- What is William Holmes's NPI number?
- William Holmes's National Provider Identifier (NPI) is 1629026141, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Holmes's specialty?
- William Holmes is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is William Holmes located?
- William Holmes's practice location on file with NPPES is 1335 Coffee Rd, Modesto, CA 95355-3192.
- What is William Holmes's phone number?
- The practice phone number listed in the NPPES registry for William Holmes is (209) 524-4438.
- Does William Holmes accept Medicare?
- William Holmes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Holmes's NPI active?
- Yes — William Holmes's NPI (1629026141) is active in the NPPES registry as of the last update on 2013-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.