Dr. Jeffrey Allen Grinblatt, MD
- Medicare services, 2024
- 1,288
- Medicare patients, 2024
- 413
- Part D claims, 2024
- 8,147
- MIPS score, 2024
- 87
- Hospital affiliations
- 3
- Practice address
- 2650 Ridge Ave, Evanston, IL 60201
- Practice phone
- Call (847) 570-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Grinblatt's professional email, personal email and mobile number
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Dr. Jeffrey Allen Grinblatt is an internist in Evanston, Illinois
Dr. Grinblatt practices at Evanston Hospital in Evanston, Illinois, part of Endeavor Health.
Dr. Grinblatt's NPI, 1679580039, was assigned on August 1, 2006. Dr. Grinblatt graduated from Northwestern University Feinberg Medical School in 1988. Dr. Grinblatt holds Illinois license 036081091.
- NPI
- 1679580039NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264564228
- NPI enumeration date
- August 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 570-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jeffrey Allen Grinblatt practices at Evanston Hospital in Evanston, Illinois
Dr. Grinblatt's primary practice is Evanston Hospital, at 2650 Ridge Ave, Evanston, IL 60201 in Cook County. The practice phone is (847) 570-2000.
- Evanston Hospital2650 Ridge Ave, Evanston, IL 60201 · Cook CountyPhone(847) 570-2000
Source: Dmand AI Affiliation Data
Dr. Jeffrey Allen Grinblatt is affiliated with 8 sites of care and 1 medical group
Dr. Grinblatt's primary practice is Evanston Hospital in Evanston, Illinois, part of Endeavor Health. Dr. Grinblatt is also affiliated with Advocate Lutheran General Hospital. The medical group on file is CAM Medical Group. Dmand AI also links Dr. Grinblatt to 1 more hospital, 4 home health agencies and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jeffrey Allen Grinblatt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grinblatt practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Evanston Hospital | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jeffrey Allen Grinblatt is one of 5,652 internists in Illinois
Internal medicine is Dr. Grinblatt's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Grinblatt is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Grinblatt
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Jeffrey Allen Grinblatt billed Medicare for 1,288 services in 2024
CMS data shows 1,288 Medicare services from Dr. Grinblatt across 11 procedure codes in 2024, for 413 Medicare patients. Medicare paid $114,984 for them. Every service was in an office.
Dr. Grinblatt's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8892024: 8425%
- Other services
- 2023: 3122024: 26316%
- Tests and treatments
- 2023: 1422024: 10228%
- Surgery
- 2023: 1202024: 8133%
Dr. Grinblatt compared with the Illinois median for internists, 2024
- Dr. Grinblatt
- Illinois median
- Medicare services
- 1,288vs 5662.3 times
- Medicare patients
- 413vs 20899% above
- Part D claims
- 7,282vs 28425.6 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Grinblatt's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grinblatt and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jeffrey Allen Grinblatt treated 413 Medicare patients in 2024, average age 76
CMS counts 413 Medicare patients who saw Dr. Grinblatt in 2024. The largest group is 65 to 74, with 186 patients. 65% of them have high blood pressure, and 63% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Grinblatt's median patient age at 66, with 37% women.
Dr. Grinblatt's Medicare patients by age, 2024
Dr. Grinblatt's Medicare patients by sex, 2024
- Women17041%
- Men24359%
Chronic conditions among Dr. Grinblatt's Medicare patients, 2024
- High blood pressure65%
- High cholesterol63%
- Arthritis42%
- Diabetes29%
- Ischemic heart disease23%
- Chronic kidney disease17%
- Osteoporosis17%
- Heart failure16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grinblatt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women37%
- Men62%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jeffrey Allen Grinblatt wrote 8,147 Medicare Part D claims in 2024
In 2024, Dr. Grinblatt wrote 8,147 Medicare Part D claims for 624 patients. 87% of them were for generic drugs. CMS names the drug for 7,282 of them, across 118 drugs with 11 or more claims each, at $547,452 in total drug cost. In 2023, CMS named 6,758 claims across 114 drugs.
Dr. Grinblatt's Part D claims by kind of drug, 2024
- Generic7,116 claims87%
- Brand-name967 claims12%
- Other64 claims1%
Dr. Grinblatt's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Grinblatt's Part D claims, 2024
- Opioids1%70 of 8,147 claims
- Antibiotics4%326 of 8,147 claims
- Antipsychotics, patients 65 and over0%21 of 8,147 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6,7582024: 7,2828%
Drugs named by CMS: 118 in 2024, 114 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Jeffrey Allen Grinblatt scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Grinblatt for performance year 2024, reported individually. Dr. Grinblatt accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Grinblatt's MIPS scores, performance year 2024
- 87of 100Final score
- 90.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 65of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Jeffrey Allen Grinblatt received $7,535 in industry payments from 2016 to 2025
CMS Open Payments shows 417 general payments to Dr. Grinblatt from 46 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Novo Nordisk Inc paid the most, $1,655.
General payments to Dr. Grinblatt by program year, 2016 to 2025
General payments to Dr. Grinblatt by kind, 2016 to 2025
- Food and beverage$7,40698%
- Education$1292%
Companies that paid Dr. Grinblatt the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jeffrey Allen Grinblatt graduated from Northwestern University Feinberg Medical School
Dr. Grinblatt graduated from Northwestern University Feinberg Medical School in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jeffrey Allen Grinblatt's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Jeffrey Allen Grinblatt
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Jeffrey Allen Grinblatt's NPI number?
Dr. Jeffrey Allen Grinblatt's NPI number is 1679580039. It was assigned on August 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jeffrey Allen Grinblatt?
Dr. Jeffrey Allen Grinblatt is an internist in Evanston, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jeffrey Allen Grinblatt practice?
Dr. Grinblatt practices at 2650 Ridge Ave, Evanston, IL 60201. Dr. Grinblatt's primary practice is Evanston Hospital in Evanston, Illinois, part of Endeavor Health. Dmand AI also links Dr. Grinblatt to 1 hospital, 4 home health agencies and 1 group practice or clinic.
What is Dr. Jeffrey Allen Grinblatt's office phone number?
The practice phone on file for Dr. Grinblatt is (847) 570-2000.
What is Dr. Jeffrey Allen Grinblatt's medical license number?
Dr. Grinblatt holds Illinois license 036081091.
Which hospitals is Dr. Jeffrey Allen Grinblatt affiliated with?
Dr. Grinblatt practices at Evanston Hospital in Evanston, Illinois. Dr. Grinblatt is also affiliated with Advocate Lutheran General Hospital. Dmand AI links Dr. Grinblatt to 1 more hospital.
What medical group is Dr. Jeffrey Allen Grinblatt part of?
Dr. Grinblatt is linked to CAM Medical Group.
Does Dr. Jeffrey Allen Grinblatt accept Medicare?
Yes. CMS data shows Dr. Grinblatt billed Medicare for 1,288 services in 2024, and Dr. Grinblatt accepts Medicare assignment.
What is Dr. Jeffrey Allen Grinblatt's MIPS score?
Dr. Grinblatt's MIPS final score for performance year 2024 is 87 out of 100, reported individually.
How many Medicare patients does Dr. Jeffrey Allen Grinblatt see?
CMS counts 413 Medicare patients who saw Dr. Grinblatt in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. Jeffrey Allen Grinblatt bill to Medicare?
In 2024, Dr. Grinblatt's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, established patient (99213).
Where did Dr. Jeffrey Allen Grinblatt go to medical school?
Dr. Grinblatt graduated from Northwestern University Feinberg Medical School in 1988.
What drugs does Dr. Jeffrey Allen Grinblatt prescribe most?
In 2024 Medicare Part D data, Dr. Grinblatt's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Dr. Jeffrey Allen Grinblatt received payments from drug or device companies?
CMS Open Payments shows $7,535 in general payments to Dr. Grinblatt from 46 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Jeffrey Allen Grinblatt been practicing?
Dr. Grinblatt graduated from medical school in 1988, 38 years ago.
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