Doctor profile · Federal record

Dr. John Keller, M.D.

Neurological Surgery Physician (CMS: Neurosurgery) · Grand Rapids, MI

  • NPI 1770664583
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
414 Plymouth Ave Ne
Grand Rapids, MI 495056038
(616) 454-3465
fax (616) 454-9004

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 9, 2007
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207T00000X — NUCC code
State license (1)
Michigan #054648
Medicaid
MI #4111797

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770664583. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
497
Distinct HCPCS
10
Medicare allowed
$155,885
HCPCS Description Services Patients Avg allowed
22614 Fusion of additional segment of spine 88 30 $354
99203 New patient office or other outpatient visit, 30-44 minutes 77 77 $107
22853 Insertion of cage or mesh device to spine bone and disc space during spine fusion 47 26 $253
63048 Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment 39 18 $196
99212 Established patient office or other outpatient visit, 10-19 minutes 36 35 $54
61783 Computer-assisted spinal procedure 32 32 $228
99204 New patient office or other outpatient visit, 45-59 minutes 30 30 $158
20939 Aspiration of bone marrow for spine bone graft 29 29 $69
22842 Placement of stabilizing device to back, 3-6 spine bone segments 27 27 $749
63047 Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment 27 27 $627

In context: peer comparison

Among 10 peers in Grand Rapids Neurological Surgery Physician, average services per provider: 26. This provider delivers 19× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$8,234
Transactions
152
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Cutting Edge Spine, LLC 1 $6,804.36
Medtronic, INC. 147 $1,079.46
Intrinsic Therapeutics 1 $146.48
Augmedics INC. 1 $113.47
Spineology INC. 1 $63.31
Abbott Laboratories 1 $27.27

By nature of payment

Royalty or License
$6,804
Food and Beverage
$1,430

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
151
Patients
95
Total drug cost
$1,660
Drug Type Claims Patients Total cost
Methocarbamol Generic 41 26 $278
Nabumetone Generic 37 26 $838
Mupirocin Generic 23 23 $155
Methylprednisolone Generic 21 20 $191
Tizanidine Hcl Generic 18 0 $143
Cephalexin Generic 11 0 $54

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Keller's medical specialty?
Dr. John Keller practices Neurological Surgery Physician in Grand Rapids, MI.
Where does Dr. John Keller practice?
Dr. John Keller practices at 414 Plymouth Ave Ne, Grand Rapids, MI 495056038. Office phone: 6164543465.
What is Dr. John Keller's NPI?
Dr. John Keller's National Provider Identifier (NPI) is 1770664583, issued by NPPES.
Does Dr. John Keller accept Medicare assignment?
Yes. Dr. John Keller accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Keller commonly perform?
Top Medicare-reported procedures in 2023: Fusion of additional segment of spine (HCPCS 22614); New patient office or other outpatient visit (HCPCS 99203); Insertion of cage or mesh device to spine bone and disc space during spine fusion (HCPCS 22853). Source: CMS Medicare Physician & Other Practitioners file.