Doctor profile · Federal record

Dr. Colin Hardin, M.D.

Hematology & Oncology Physician (CMS: Medical Oncology) · Grand Rapids, MI

  • NPI 1639459860
  • Accepts Medicare
  • MIPS 87.1 / 100 · 2023
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
145 Michigan St Ne Ste 3100
Grand Rapids, MI 495032563
(616) 954-9800
Mailing address
5800 Foremost Dr Se Ste 300
Grand Rapids, MI 495467062

Credentials & registration

NPPES · NUCC
NPI registered
August 2011 — 15 yrs on file
Profile last updated
April 14, 2021
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Michigan #4301111823

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639459860. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
25,387
Distinct HCPCS
10
Medicare allowed
$187,761
HCPCS Description Services Patients Avg allowed
J1439 Injection, ferric carboxymaltose, 1 mg 20,250 16 $1
36415 Insertion of needle into vein for collection of blood sample 713 162 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 683 161 $8
88185 Flow cytometry technique for dna or cell analysis, each additional marker 676 24 $21
J1100 Injection, dexamethasone sodium phosphate, 1 mg 436 16 $0
99214 Established patient office or other outpatient visit, 30-39 minutes 355 172 $121
80053 Blood test, comprehensive group of blood chemicals 338 109 $10
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 184 65 $115
83615 Lactate dehydrogenase (enzyme) level 140 77 $6
82784 Gammaglobulin (immune system protein) measurement 130 23 $9

In context: peer comparison

Among 8 peers in Grand Rapids Hematology & Oncology Physician, average services per provider: 718. This provider delivers 35× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,482
Transactions
71
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Regeneron Pharmaceuticals, INC. 5 $1,667.71
Novartis Pharmaceuticals Corporation 10 $179.10
Abbvie INC. 8 $150.59
Incyte Corporation 7 $143.25
Janssen Biotech, INC. 8 $142.48
Pfizer INC. 6 $105.25
Merck Sharp & Dohme LLC 4 $102.85
GlaxoSmithKline, LLC. 5 $99.14
Genzyme Corporation 3 $73.58
AstraZeneca Pharmaceuticals Lp 3 $63.73
Celgene Corporation 3 $60.82
Genentech USA, INC. 3 $54.93
BeiGene USA, INC. 2 $54.11
Karyopharm Therapeutics INC. 2 $49.43
Amneal Pharmaceuticals LLC 2 $48.02

By nature of payment

Food and Beverage
$1,828
Travel and Lodging
$1,654

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,101
Patients
269
Total drug cost
$3,551,567
Drug Type Claims Patients Total cost
Acyclovir Generic 329 71 $5,458
Hydroxyurea Generic 180 32 $5,704
Revlimid (Lenalidomide) Brand 111 18 $1,868,307
Dexamethasone Generic 82 31 $1,867
Venclexta (Venetoclax) Brand 56 0 $177,899
Prednisone Generic 55 25 $310
Prochlorperazine Maleate Generic 55 35 $778
Allopurinol Generic 44 30 $428
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 43 14 $119
Jakafi (Ruxolitinib Phosphate) Brand 33 0 $592,805

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Colin Hardin's medical specialty?
Dr. Colin Hardin practices Hematology & Oncology Physician in Grand Rapids, MI.
Where does Dr. Colin Hardin practice?
Dr. Colin Hardin practices at 145 Michigan St Ne Ste 3100, Grand Rapids, MI 495032563. Office phone: 6169549800.
What is Dr. Colin Hardin's NPI?
Dr. Colin Hardin's National Provider Identifier (NPI) is 1639459860, issued by NPPES.
Does Dr. Colin Hardin accept Medicare assignment?
Yes. Dr. Colin Hardin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Colin Hardin commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025). Source: CMS Medicare Physician & Other Practitioners file.