Dr. Marianne M. Green, MD
- Medicare services, 2024
- 414
- Medicare patients, 2024
- 157
- Part D claims, 2024
- 1,715
- MIPS score, 2024
- 95
- Hospital affiliations
- 5
- Practice address
- 675 N St Clair St, Chicago, IL 60611
- Practice phone
- Call (312) 695-0646
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northwestern Medical Group
Chicago, Illinois
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Dr. Marianne M. Green is an internist in Chicago, Illinois
Dr. Green practices at Northwestern Medical Group in Chicago, Illinois.
Dr. Green's NPI, 1700814332, was assigned on June 30, 2006.
- NPI
- 1700814332NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3476680422
- NPI enumeration date
- June 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 695-0646
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marianne M. Green practices at Northwestern Medical Group in Chicago, Illinois
Dr. Green's primary practice is Northwestern Medical Group, at 675 N St Clair St, Chicago, IL 60611 in Cook County. The practice phone is (312) 695-0646.
- Northwestern Medical Group675 N St Clair St, Chicago, IL 60611 · Cook CountyPhone(312) 695-0646
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Marianne M. Green is affiliated with 7 sites of care and 1 medical group
Dr. Green's primary practice is Northwestern Medical Group in Chicago, Illinois. Dr. Green is also affiliated with Northwestern Memorial Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Green to 4 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Marianne M. Green's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Green practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medical Group | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marianne M. Green is one of 5,652 internists in Illinois
Internal medicine is Dr. Green's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Green has a license on file in Illinois.
Specialties and state licenses
- Internal medicine, Illinois
Internists near Dr. Green
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. Marianne M. Green billed Medicare for 414 services in 2024
CMS data shows 414 Medicare services from Dr. Green across 10 procedure codes in 2024, for 157 Medicare patients. Medicare paid $27,835 for them. Every service was in an office.
Dr. Green's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1702024: 1721%
- Other services
- 2023: 672024: 143113%
- Tests and treatments
- 2023: 332024: 80142%
- Lab and pathology
- 2023: 182024: 196%
Dr. Green compared with the Illinois median for internists, 2024
- Dr. Green
- Illinois median
- Medicare services
- 414vs 56627% below
- Medicare patients
- 157vs 20825% below
- Part D claims
- 1,348vs 2844.7 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Green'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marianne M. Green treated 157 Medicare patients in 2024, average age 76
CMS counts 157 Medicare patients who saw Dr. Green in 2024. The largest group is 65 to 74, with 65 patients. 73% of them have high blood pressure, and 68% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.44, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Green's median patient age at 70, with 77% women.
Dr. Green's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Green's Medicare patients by sex, 2024
- Women12479%
- Men3321%
Chronic conditions among Dr. Green's Medicare patients, 2024
- High blood pressure73%
- High cholesterol68%
- Arthritis43%
- Diabetes29%
- Osteoporosis26%
- Cancer25%
- Ischemic heart disease25%
- Chronic kidney disease20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Green's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women77%
- Men21%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marianne M. Green wrote 1,715 Medicare Part D claims in 2024
In 2024, Dr. Green wrote 1,715 Medicare Part D claims for 145 patients. 88% of them were for generic drugs. CMS names the drug for 1,348 of them, across 36 drugs with 11 or more claims each, at $73,475 in total drug cost. In 2023, CMS named 1,261 claims across 38 drugs.
Dr. Green's Part D claims by kind of drug, 2024
- Generic1,513 claims88%
- Brand-name and other202 claims12%
Dr. Green'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. Green's Part D claims, 2024
- Opioids1%18 of 1,715 claims
- Antibiotics1%24 of 1,715 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: 1,2612024: 1,3487%
Drugs named by CMS: 36 in 2024, 38 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. Marianne M. Green scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Green for performance year 2024, reported through an alternative payment model (APM). Dr. Green accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Green's MIPS scores, performance year 2024
- 95of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Marianne M. Green received $36 in industry payments in 2024
CMS Open Payments shows 2 general payments to Dr. Green from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $36.
Companies that paid Dr. Green the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Marianne M. Green's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Marianne M. Green
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What is Dr. Marianne M. Green's NPI number?
Dr. Marianne M. Green's NPI number is 1700814332. It was assigned on June 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Marianne M. Green?
Dr. Marianne M. Green is an internist in Chicago, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Marianne M. Green practice?
Dr. Green practices at 675 N St Clair St, Chicago, IL 60611. Dr. Green's primary practice is Northwestern Medical Group in Chicago, Illinois. Dmand AI also links Dr. Green to 4 hospitals and 1 group practice or clinic.
What is Dr. Marianne M. Green's office phone number?
The practice phone on file for Dr. Green is (312) 695-0646.
Which hospitals is Dr. Marianne M. Green affiliated with?
Dr. Green is affiliated with Northwestern Memorial Hospital. Dmand AI links Dr. Green to 4 more hospitals.
What medical group is Dr. Marianne M. Green part of?
Dr. Green is linked to Northwestern Medical Faculty Foundation.
Does Dr. Marianne M. Green accept Medicare?
Yes. CMS data shows Dr. Green billed Medicare for 414 services in 2024, and Dr. Green accepts Medicare assignment.
What is Dr. Marianne M. Green's MIPS score?
Dr. Green's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Marianne M. Green see?
CMS counts 157 Medicare patients who saw Dr. Green in 2024, with an average age of 76.
What services does Dr. Marianne M. Green bill to Medicare?
In 2024, Dr. Green's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99213).
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What drugs does Dr. Marianne M. Green prescribe most?
In 2024 Medicare Part D data, Dr. Green's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Rosuvastatin Calcium.
Has Dr. Marianne M. Green received payments from drug or device companies?
CMS Open Payments shows $36 in general payments to Dr. Green from 1 company from 2024 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Marianne M. Green been practicing?
Dr. Green graduated from medical school in 1990, 36 years ago.
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