Doctor profile · Federal record

Dr. Peter Spencer, D.O.

Neurology Physician (CMS: Neurology) · Saint Joseph, MI

  • NPI 1669479432
  • Accepts Medicare
  • MIPS 93.8 / 100 · 2023
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3950 Hollywood RD, 230
Saint Joseph, MI 490859159
(269) 985-0000
fax (269) 985-0360

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
August 20, 2014
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
2084N0400X — NUCC code
State license (1)
Michigan #5101010692
Medicaid
MI #4170564

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669479432. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
875
Distinct HCPCS
7
Medicare allowed
$93,458
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 540 294 $86
99214 Established patient office or other outpatient visit, 30-39 minutes 176 120 $124
99205 New patient office or other outpatient visit, 60-74 minutes 69 69 $214
95886 Needle measurement of electrical activity in arm or leg muscles, complete study 26 26 $88
95910 Nerve conduction, 7-8 studies 26 26 $161
95885 Needle measurement of electrical activity in arm or leg muscles, limited study 24 24 $58
95911 Nerve conduction, 9-10 studies 14 14 $191

In context: peer comparison

Among 2 peers in this city , average services per provider: 92. This provider delivers 9.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$266
Transactions
17
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 12 $169.13
SK Life Science, Inc. 1 $26.39
Teva Pharmaceuticals USA, Inc. 1 $20.17
Aucta Pharmaceuticals, Inc. 1 $19.20
Genentech USA, Inc. 1 $17.44
Lilly USA, LLC 1 $13.93

By nature of payment

Food and Beverage
$266

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,293
Patients
535
Total drug cost
$122,172
Drug Type Claims Patients Total cost
Gabapentin Generic 372 81 $8,377
Levetiracetam Generic 321 78 $21,981
Donepezil Hcl Generic 230 66 $3,903
Carbidopa-Levodopa (Carbidopa/Levodopa) Brand 224 53 $12,432
Topiramate Generic 173 38 $4,395
Divalproex Sodium Generic 149 20 $10,774
Pregabalin Generic 143 30 $5,101
Memantine Hcl Generic 126 29 $6,256
Ropinirole Hcl Generic 114 21 $4,053
Clopidogrel (Clopidogrel Bisulfate) Brand 85 32 $1,941

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Peter Spencer's medical specialty?
Dr. Peter Spencer practices Neurology Physician in Saint Joseph, MI.
Where does Dr. Peter Spencer practice?
Dr. Peter Spencer practices at 3950 Hollywood RD, Saint Joseph, MI 490859159. Office phone: 2699850000.
What is Dr. Peter Spencer's NPI?
Dr. Peter Spencer's National Provider Identifier (NPI) is 1669479432, issued by NPPES.
Does Dr. Peter Spencer accept Medicare assignment?
Yes. Dr. Peter Spencer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Spencer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.