Spencer Niemann, D.P.M.
NPI 1841462421 · Foot & Ankle Surgery Podiatrist · Chandler, AZ
Enrolled with Medicare as Practitioner - Podiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Spencer Niemann, D.P.M. is a Foot & Ankle Surgery Podiatrist provider in Chandler, AZ (NPI 1841462421).
Provider details
- NPI number
- 1841462421
- Entity type
- Individual
- Primary specialty
- Foot & Ankle Surgery PodiatristPodiatric Medicine & Surgery Service Providers
- Credential
- D.P.M.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0672 (AZ)
Specialties & taxonomies
Podiatric Medicine & Surgery Service Providers
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
18 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
1,392 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 | 240 | $82 |
| X-Ray of Foot, Minimum of 3 Views73630 | 204 | $30 |
| Removal of Fingernails Or Toenails, 6 Or More Nails11721 | 186 | $40 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 130 | $100 |
| Ultrasound of Leg Arteries Or Artery Grafts93925 | 120 | $214 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 120 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Diclofenac Sodium | 204 | 76 |
| Gabapentin | 150 | 46 |
| Prednisone | 102 | 79 |
| Terbinafine Hcl | 81 | 42 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 72 | 61 |
| Ammonium Lactate | 42 | 25 |
| Pregabalin | 24 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 across 1 record (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
- 2008-03-24
- Last updated
- 2024-06-06
- Certified
- 2024-06-06
Frequently asked questions
- What is Spencer Niemann's NPI number?
- Spencer Niemann's National Provider Identifier (NPI) is 1841462421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Spencer Niemann's specialty?
- Spencer Niemann is listed in the NPPES registry with a primary specialty of Foot & Ankle Surgery Podiatrist (Podiatric Medicine & Surgery Service Providers).
- Where is Spencer Niemann located?
- Spencer Niemann's practice location on file with NPPES is 1831 E Queen Creek Rd, Chandler, AZ 85286-2019.
- What is Spencer Niemann's phone number?
- The practice phone number listed in the NPPES registry for Spencer Niemann is (480) 917-2300.
- Does Spencer Niemann accept Medicare?
- Spencer Niemann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Spencer Niemann's NPI active?
- Yes — Spencer Niemann's NPI (1841462421) is active in the NPPES registry as of the last update on 2024-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.