Doctor profile · Federal record
Dr. David Grinblatt, MD
Hematology (Internal Medicine) Physician (CMS: Hematology) · Evanston, IL
- NPI 1548285372
- Accepts Medicare
- MIPS 90.4 / 100 · 2023
- 40 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2650 Ridge Ave., Kellogg Cancer Center
Evanston, IL 60201
(847) 570-2112
fax (847) 570-1041
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- December 8, 2020
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 207RH0000X — NUCC code
- State license (1)
- Illinois #036077054
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548285372. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,543
Distinct HCPCS
10
Medicare allowed
$174,309
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 599 | 254 | $103 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 324 | 226 | $70 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 237 | 92 | $152 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 107 | 49 | $127 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 89 | 89 | $194 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 53 | 29 | $85 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 33 | 26 | $185 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 22 | 22 | $104 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 20 | 20 | $143 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 20 | 20 | $70 |
In context: peer comparison
Among 1 peers in Evanston Hematology (Internal Medicine) Physician, average services per provider: 128. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$70,755
Transactions
49
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Alexion Pharmaceuticals, INC. | 45 | $66,336.49 | |
| BeiGene USA, INC. | 1 | $2,625.00 | |
| AstraZeneca Pharmaceuticals Lp | 2 | $1,715.00 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $79.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,162
Patients
255
Total drug cost
$4,552,316
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Acyclovir | Generic | 295 | 64 | $4,901 |
| Hydroxyurea | Generic | 133 | 38 | $4,013 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 131 | 35 | $727 |
| Revlimid (Lenalidomide) | Brand | 127 | 27 | $2,152,803 |
| Dexamethasone | Generic | 68 | 25 | $1,524 |
| Imbruvica (Ibrutinib) | Brand | 63 | 0 | $1,051,257 |
| Venclexta (Venetoclax) | Brand | 52 | 13 | $364,802 |
| Omeprazole | Generic | 48 | 12 | $404 |
| Eliquis (Apixaban) | Brand | 45 | 12 | $39,085 |
| Prednisone | Generic | 38 | 15 | $296 |
Hospital affiliations
Frequently asked questions
What is Dr. David Grinblatt's medical specialty?
Dr. David Grinblatt practices Hematology (Internal Medicine) Physician in Evanston, IL.
Where does Dr. David Grinblatt practice?
Dr. David Grinblatt practices at 2650 Ridge Ave., Evanston, IL 60201. Office phone: 8475702112.
What is Dr. David Grinblatt's NPI?
Dr. David Grinblatt's National Provider Identifier (NPI) is 1548285372, issued by NPPES.
Does Dr. David Grinblatt accept Medicare assignment?
Yes. Dr. David Grinblatt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Grinblatt commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.