William Spak, DPM
NPI 1922189000 · Foot & Ankle Surgery Podiatrist · Anaheim, CA
Enrolled with Medicare as Practitioner - Podiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Spak, DPM is a Foot & Ankle Surgery Podiatrist provider in Anaheim, CA (NPI 1922189000).
Provider details
- NPI number
- 1922189000
- Entity type
- Individual
- Primary specialty
- Foot & Ankle Surgery PodiatristPodiatric Medicine & Surgery Service Providers
- Credential
- DPM
- Sex
- Male
- Sole proprietor
- Yes
- License
- E3517 (CA)
Specialties & taxonomies
Podiatric Medicine & Surgery Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
2,798 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 | 1,033 | $98 |
| Removal of Fingernails Or Toenails, 6 Or More Nails11721 | 453 | $49 |
| Removal of Skin and Tissue, 20.0 Sq Cm Or Less11042 | 324 | $144 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 177 | $68 |
| Removal of Noncancer Thickened Skin Growth, 2-4 Growths11056 | 156 | $67 |
| Removal of Skin and Tissue, 20.0 Sq Cm Or Less11042 | 138 | $63 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 78 | 57 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 29 | 18 |
| Ciprofloxacin Hcl | 27 | 18 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 24 | 13 |
| Nitroglycerinbrand: Nitro-Bid | 17 | — |
| Collagenase Clostridium Hist.brand: Santyl | 17 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$178 across 8 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
- 2006-10-17
- Last updated
- 2010-11-17
Frequently asked questions
- What is William Spak's NPI number?
- William Spak's National Provider Identifier (NPI) is 1922189000, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Spak's specialty?
- William Spak is listed in the NPPES registry with a primary specialty of Foot & Ankle Surgery Podiatrist (Podiatric Medicine & Surgery Service Providers).
- Where is William Spak located?
- William Spak's practice location on file with NPPES is 1011 W La Palma Ave, Anaheim, CA 92801-3661.
- What is William Spak's phone number?
- The practice phone number listed in the NPPES registry for William Spak is (714) 774-1550.
- Does William Spak accept Medicare?
- William Spak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Spak's NPI active?
- Yes — William Spak's NPI (1922189000) is active in the NPPES registry as of the last update on 2010-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.