Doctor profile · Federal record

Dr. Spencer Derifield, PT, DPT

Physical Therapist (CMS: Physical Therapist in Private Practice) · Newton, IA

  • NPI 1831838655
  • Accepts Medicare
  • 4 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1715 1St Ave E
Newton, IA 502084050
(641) 791-9675
fax (641) 787-9006

Credentials & registration

NPPES · NUCC
NPI registered
May 2022 — 4 yrs on file
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
225100000X — NUCC code
State license (1)
Iowa #112544

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831838655. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,615
Distinct HCPCS
6
Medicare allowed
$67,733
HCPCS Description Services Patients Avg allowed
97530 Therapy procedure using functional activities 927 101 $32
97110 Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes 716 92 $21
97140 Therapy procedure using manual technique, each 15 minutes 568 87 $19
97112 Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes 361 56 $24
97163 Evaluation for physical therapy, typically 45 minutes 23 21 $95
97162 Evaluation for physical therapy, typically 30 minutes 20 19 $95

In context: peer comparison

Among 6 peers in this city , average services per provider: 286. This provider delivers 9.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Spencer Derifield's medical specialty?
Dr. Spencer Derifield practices Physical Therapist in Newton, IA.
Where does Dr. Spencer Derifield practice?
Dr. Spencer Derifield practices at 1715 1St Ave E, Newton, IA 502084050. Office phone: 6417919675.
What is Dr. Spencer Derifield's NPI?
Dr. Spencer Derifield's National Provider Identifier (NPI) is 1831838655, issued by NPPES.
Does Dr. Spencer Derifield accept Medicare assignment?
Yes. Dr. Spencer Derifield accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Spencer Derifield commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure using functional activities (HCPCS 97530); Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility (HCPCS 97110); Therapy procedure using manual technique (HCPCS 97140). Source: CMS Medicare Physician & Other Practitioners file.