David L. Grinblatt, MD
Hematology (Internal Medicine) Physician · Evanston, IL
David L. Grinblatt, MD is a hematology (internal medicine) physician with a practice address in Evanston, Illinois, and NPI 1548285372, issued on Jul 13, 2006. Check the license (Illinois 036077054, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- David L. Grinblatt
- Credential
- MD
- Primary taxonomy
- Hematology (Internal Medicine) Physician 207RH0000X
- License number
- 036077054 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2650 Ridge Ave., Evanston, IL 60201
- Phone
- (847) 570-2112
- Enumerated
- Jul 13, 2006
- Record last updated
- Dec 8, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (847) 570-1041
- Medicare enrollment
- Enrolled (PECOS I20050804000513); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 1986
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology (internal medicine) physician records → All 47 in Illinois → Look up another NPI →
Also registered at 2650 Ridge Ave.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eyad Abdulrazzak, MDHospitalist Physician1710592589
- Indu Agarwal, M.D.Anatomic Pathology & Clinical Pathology Physician1831573898
- Lorraine Aguada, NPNurse Practitioner1144996059
- Mark Agustin, ACNPNurse Practitioner1730855677
- Avais Ahmed, M.D.Anesthesiology Physician1770087918
- Aleksandar Alavanja, MDDiagnostic Radiology Physician1619321106
Verify David L. Grinblatt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036077054Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.9 times the Medicare Part D claims of the average hematology (internal medicine) physician in 2024
1,922 Medicare Part D claims for 223 beneficiaries, against an average of 496 among the 1,036 providers of this specialty who prescribed in Part D. 28 claims were for opioids.
Most prescribed
- Acyclovir295 claims
- Sulfamethoxazole-Trimethoprim138 claims
- Hydroxyurea137 claims
- Revlimid118 claims
- Venclexta83 claims
- Lenalidomide75 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 93.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $70,755.49
49 payments; by number, the most common kind was travel and lodging; the largest payer was Alexion Pharmaceuticals, Inc. The 721 providers of this specialty with any payment received $13,778.35 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Endeavor Health Medical GroupEvanston, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David L. Grinblatt among 47 hematology (internal medicine) physician records in Illinois
David L. Grinblatt, MD is one of 47 hematology (internal medicine) physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 53% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1986 · median 2003 among the 31 with a school on file
- Record last updated2020 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology (Internal Medicine) Physician providers in Illinois
There are 47 hematology (internal medicine) physician records in Illinois.
All 47 in Illinois → Every provider in Evanston → Hematology (Internal Medicine) Physician nationwide →
The 8 hematology (internal medicine) physician records with the nearest ZIP codes
- Lynne Kaminer, MDEvanston, IL 602011861423139
- Jason Kaplan, MDEvanston, IL 602011669590873
- Jennifer Obel, MDEvanston, IL 602011255463451
- Jaya Kasturi, M.D.Melrose Park, IL 601601548228711
- Angela Ai, MDMaywood, IL 601531982282364
- Estefania Gauto-Mariotti, MDMaywood, IL 601531972032621
- Stephanie Tsai, M.D.Maywood, IL 601531013144260
- Neil Dunavin, M.D.Zion, IL 600991578798369
Common questions
What is David L. Grinblatt, MD's NPI number?
David L. Grinblatt, MD's National Provider Identifier (NPI) is 1548285372, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David L. Grinblatt, MD located?
The NPPES record lists a practice address at 2650 Ridge Ave., Evanston, IL, 60201. Phone: (847) 570-2112. Providers update this record themselves, so call before visiting.
How can I verify David L. Grinblatt, MD's license?
NPPES lists Illinois license number 036077054, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does David L. Grinblatt, MD prescribe under Medicare Part D?
In 2024, David L. Grinblatt, MD had 1,922 Medicare Part D claims for 223 beneficiaries; the average among hematology (internal medicine) physician prescribers was 496. Part D covers Medicare prescriptions only.
What is David L. Grinblatt, MD's MIPS final score?
The 2023 MIPS final score is 93.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.