Doctor profile · Federal record
Dr. Thomas Gribbin, M.D.
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Grand Rapids, MI
- NPI 1639179286
- Accepts Medicare
- MIPS 91.0 / 100 · 2023
- 45 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
145 Michigan St Ne Ste 3100
Grand Rapids, MI 495032563
(616) 954-9800
fax (616) 954-2116 - Mailing address
-
5800 Foremost Dr Se Ste 300
Grand Rapids, MI 495467062
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- March 13, 2020
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- Michigan #4301049910
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639179286. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,284
Distinct HCPCS
10
Medicare allowed
$123,872
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 978 | 23 | $0 | |
J2469 |
Injection, palonosetron hcl, 25 mcg | 490 | 14 | $1 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 254 | 162 | $120 | |
96413 |
Administration of chemotherapy into vein, 1 hour or less | 213 | 49 | $118 | |
96375 |
Injection of additional new drug or substance into vein | 184 | 29 | $14 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 173 | 128 | $84 | |
J3489 |
Injection, zoledronic acid, 1 mg | 168 | 23 | $8 | |
M0010 |
Enhancing oncology model (eom) monthly enhanced oncology services (meos) payment for eom enhanced services | 112 | 31 | $73 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 100 | 39 | $115 | |
36415 |
Insertion of needle into vein for collection of blood sample | 74 | 26 | $8 |
In context: peer comparison
Among 8 peers in Grand Rapids Hematology & Oncology Physician, average services per provider: 718. This provider delivers 4.6× the peer median.Open Payments
Industry payments received
All-time total
$285
Transactions
13
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| GlaxoSmithKline, LLC. | 2 | $38.65 | |
| Regeneron Healthcare Solutions, INC. | 1 | $37.09 | |
| Amneal Pharmaceuticals LLC | 1 | $29.33 | |
| Novartis Pharmaceuticals Corporation | 1 | $24.41 | |
| Merck Sharp & Dohme LLC | 1 | $23.89 | |
| Stemline Therapeutics INC. | 1 | $21.51 | |
| Array Biopharma INC | 1 | $20.85 | |
| PharmaEssentia USA Corporation | 1 | $20.11 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $19.99 | |
| Celgene Corporation | 1 | $18.24 | |
| Pfizer INC. | 1 | $16.07 | |
| Abbvie INC. | 1 | $15.33 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,350
Patients
387
Total drug cost
$1,611,303
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Anastrozole | Generic | 324 | 111 | $27,621 |
| Tamoxifen Citrate | Generic | 307 | 103 | $14,834 |
| Acyclovir | Generic | 141 | 25 | $2,367 |
| Ibrance (Palbociclib) | Brand | 75 | 0 | $1,119,274 |
| Exemestane | Generic | 74 | 27 | $28,159 |
| Prochlorperazine Maleate | Generic | 71 | 43 | $1,045 |
| Letrozole | Generic | 62 | 20 | $3,381 |
| Hydroxyurea | Generic | 59 | 11 | $3,681 |
| Dexamethasone | Generic | 52 | 21 | $962 |
| Prednisone | Generic | 38 | 0 | $178 |
Hospital affiliations
Frequently asked questions
What is Dr. Thomas Gribbin's medical specialty?
Dr. Thomas Gribbin practices Hematology & Oncology Physician in Grand Rapids, MI.
Where does Dr. Thomas Gribbin practice?
Dr. Thomas Gribbin practices at 145 Michigan St Ne Ste 3100, Grand Rapids, MI 495032563. Office phone: 6169549800.
What is Dr. Thomas Gribbin's NPI?
Dr. Thomas Gribbin's National Provider Identifier (NPI) is 1639179286, issued by NPPES.
Does Dr. Thomas Gribbin accept Medicare assignment?
Yes. Dr. Thomas Gribbin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Gribbin commonly perform?
Top Medicare-reported procedures in 2023: Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Injection, palonosetron hcl, 25 mcg (HCPCS J2469); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.