Doctor profile · Federal record
Dr. Michael Garrison, M.D.
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Mineola, NY
- NPI 1003869447
- Accepts Medicare
- MIPS 84.5 / 100 · 2023
- 37 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
200 Old Country RD, Suite 450
Mineola, NY 115014235
(516) 663-9500
fax (516) 663-4613
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- February 24, 2021
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- New York #184395-1
- Medicaid
- NY #01573179
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1003869447. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,761
Distinct HCPCS
7
Medicare allowed
$155,394
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 787 | 413 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 662 | 330 | $150 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 162 | 162 | $196 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 85 | 34 | $92 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 31 | 31 | $153 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 17 | 17 | $105 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 17 | 16 | $202 |
In context: peer comparison
Among 4 peers in Mineola Hematology & Oncology Physician, average services per provider: 139. This provider delivers 13× the peer median.Open Payments
Industry payments received
All-time total
$121
Transactions
6
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Genzyme Corporation | 2 | $50.38 | |
| Merck Sharp & Dohme LLC | 1 | $25.08 | |
| BeiGene USA, INC. | 1 | $15.56 | |
| Daiichi Sankyo INC. | 1 | $15.44 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $14.38 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
178
Patients
13
Total drug cost
$81,516
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydroxyurea | Generic | 33 | 13 | $819 |
| Eliquis (Apixaban) | Brand | 26 | 0 | $20,233 |
| Oxycodone Hcl | Generic | 24 | 0 | $1,485 |
| Prednisone | Generic | 24 | 0 | $169 |
| Hydromorphone Hcl | Generic | 22 | 0 | $3,285 |
| Oxycontin (Oxycodone Hcl) | Brand | 22 | 0 | $54,993 |
| Dexamethasone | Generic | 14 | 0 | $437 |
| Allopurinol | Generic | 13 | 0 | $95 |
Hospital affiliations
Frequently asked questions
What is Dr. Michael Garrison's medical specialty?
Dr. Michael Garrison practices Hematology & Oncology Physician in Mineola, NY.
Where does Dr. Michael Garrison practice?
Dr. Michael Garrison practices at 200 Old Country RD, Mineola, NY 115014235. Office phone: 5166639500.
What is Dr. Michael Garrison's NPI?
Dr. Michael Garrison's National Provider Identifier (NPI) is 1003869447, issued by NPPES.
Does Dr. Michael Garrison accept Medicare assignment?
Yes. Dr. Michael Garrison accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Garrison commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.