William Herrmann, DPM
NPI 1295821288 · Podiatrist · Costa Mesa, CA
Enrolled with Medicare as Practitioner - Podiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Herrmann, DPM is a Podiatrist provider in Costa Mesa, CA (NPI 1295821288).
Provider details
- NPI number
- 1295821288
- Entity type
- Individual
- Primary specialty
- PodiatristPodiatric Medicine & Surgery Service Providers
- Credential
- DPM
- Sex
- Male
- Sole proprietor
- No
- License
- E3248 (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 tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,059 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 396 | $92 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 380 | $75 |
| Residence Visit for New Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99342 | 122 | $76 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes99305 | 91 | $130 |
| New Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 15 Minutes Or More99202 | 59 | $74 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-05
- Last updated
- 2020-03-04
- Certified
- 2020-03-04
Frequently asked questions
- What is William Herrmann's NPI number?
- William Herrmann's National Provider Identifier (NPI) is 1295821288, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Herrmann's specialty?
- William Herrmann is listed in the NPPES registry with a primary specialty of Podiatrist (Podiatric Medicine & Surgery Service Providers).
- Where is William Herrmann located?
- William Herrmann's practice location on file with NPPES is 234 E 17th St, Costa Mesa, CA 92627-3825.
- What is William Herrmann's phone number?
- The practice phone number listed in the NPPES registry for William Herrmann is (949) 855-4634.
- Does William Herrmann accept Medicare?
- William Herrmann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Herrmann's NPI active?
- Yes — William Herrmann's NPI (1295821288) is active in the NPPES registry as of the last update on 2020-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.