Doctor profile · Federal record

Dr. Spencer Niemann, D.P.M.

Foot & Ankle Surgery Podiatrist (CMS: Podiatry) · Podiatrist · Chandler, AZ

  • NPI 1841462421
  • Accepts Medicare
  • MIPS 0.0 / 100 · 2023
  • 21 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1831 E Queen Creek RD
Chandler, AZ 852862019
(480) 917-2300
fax (480) 917-5400

Credentials & registration

NPPES · NUCC
NPI registered
March 2008 — 18 yrs on file
Profile last updated
June 6, 2024
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
213ES0103X — NUCC code
State license (1)
Arizona #0672
Medicaid
AZ #326978

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841462421. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,253
Distinct HCPCS
10
Medicare allowed
$173,341
HCPCS Description Services Patients Avg allowed
73630 X-ray of foot, minimum of 3 views 432 220 $33
99213 Established patient office or other outpatient visit, 20-29 minutes 353 246 $87
11721 Removal of fingernails or toenails, 6 or more nails 287 157 $43
99203 New patient office or other outpatient visit, 30-44 minutes 278 278 $108
99212 Established patient office or other outpatient visit, 10-19 minutes 152 122 $55
93925 Ultrasound of leg arteries or artery grafts 119 119 $209
11056 Removal of noncancer thickened skin growth, 2-4 growths 112 61 $76
93970 Ultrasound study of arm or leg veins with compression and maneuvers 109 109 $161
11720 Removal of fingernails or toenails, 1-5 nails 74 43 $32
73600 X-ray of ankle, 2 views 65 35 $31

In context: peer comparison

Among 12 peers in this city , average services per provider: 731. This provider delivers 3.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Solventum Corporation 1 $18.81

By nature of payment

Food and Beverage
$19

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
692
Patients
340
Total drug cost
$9,272
Drug Type Claims Patients Total cost
Diclofenac Sodium Generic 222 76 $2,711
Gabapentin Generic 118 38 $1,786
Terbinafine Hcl Generic 99 53 $1,311
Prednisone Generic 78 66 $163
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 49 44 $352
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 46 38 $459
Pregabalin Generic 34 0 $1,212
Ammonium Lactate Generic 22 13 $539
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 12 12 $96
Celecoxib Generic 12 0 $643

Frequently asked questions

Auto-generated from federal data
What is Dr. Spencer Niemann's medical specialty?
Dr. Spencer Niemann practices Foot & Ankle Surgery Podiatrist in Chandler, AZ.
Where does Dr. Spencer Niemann practice?
Dr. Spencer Niemann practices at 1831 E Queen Creek RD, Chandler, AZ 852862019. Office phone: 4809172300.
What is Dr. Spencer Niemann's NPI?
Dr. Spencer Niemann's National Provider Identifier (NPI) is 1841462421, issued by NPPES.
Does Dr. Spencer Niemann accept Medicare assignment?
Yes. Dr. Spencer Niemann accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Spencer Niemann commonly perform?
Top Medicare-reported procedures in 2023: X-ray of foot, minimum of 3 views (HCPCS 73630); Established patient office or other outpatient visit (HCPCS 99213); Removal of fingernails or toenails, 6 or more nails (HCPCS 11721). Source: CMS Medicare Physician & Other Practitioners file.