Nathaniel Witmer, D.P.M.
NPI 1497172712 · Podiatrist · Valencia, CA
Enrolled with Medicare as Practitioner - Podiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathaniel Witmer, D.P.M. is a Podiatrist provider in Valencia, CA (NPI 1497172712).
Provider details
- NPI number
- 1497172712
- Entity type
- Individual
- Primary specialty
- PodiatristPodiatric Medicine & Surgery Service Providers
- Credential
- D.P.M.
- Sex
- Male
- Sole proprietor
- No
- License
- 016.005661 (IL)
Specialties & taxonomies
Podiatric Medicine & Surgery Service Providers
Podiatric Medicine & Surgery Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
552 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 Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 186 | $61 |
| Removal of Fingernails Or Toenails, 6 Or More Nails11721 | 123 | $49 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 82 | $138 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 63 | $99 |
| X-Ray of Foot, Minimum of 3 Views73630 | 44 | $28 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
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 |
|---|---|---|
| Ciclopirox | 150 | 77 |
| Terbinafine Hcl | 96 | 34 |
| Ammonium Lactate | 82 | 35 |
| Ketoconazole | 58 | 29 |
| Meloxicam | 48 | 30 |
| Diclofenac Sodium | 31 | 22 |
| Ibuprofen | 22 | 14 |
| Lidocaine/Prilocainebrand: Lidocaine-Prilocaine | 17 | — |
Practice location
Mailing address
Additional practice locations (1)
- 2900 N Lake Shore DrChicago, IL 60657-5640Phone: (773) 665-3000
Registry dates
- Enumerated
- 2014-03-25
- Last updated
- 2018-03-17
Frequently asked questions
- What is Nathaniel Witmer's NPI number?
- Nathaniel Witmer's National Provider Identifier (NPI) is 1497172712, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathaniel Witmer's specialty?
- Nathaniel Witmer is listed in the NPPES registry with a primary specialty of Podiatrist (Podiatric Medicine & Surgery Service Providers).
- Where is Nathaniel Witmer located?
- Nathaniel Witmer's practice location on file with NPPES is 23803 Mcbean Pkwy, Valencia, CA 91355-2001.
- What is Nathaniel Witmer's phone number?
- The practice phone number listed in the NPPES registry for Nathaniel Witmer is (661) 481-2400.
- Does Nathaniel Witmer accept Medicare?
- Nathaniel Witmer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathaniel Witmer's NPI active?
- Yes — Nathaniel Witmer's NPI (1497172712) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.