Gregory Anderson, DO
Hospitalist Physician · Chicago, IL
Gregory Anderson, DO is a hospitalist physician with a practice address in Chicago, Illinois, and NPI 1255771358, issued on Jul 3, 2013. Check the license (Illinois 036.143664, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Gregory Anderson
- Credential
- DO
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 036.143664 IL
Self-reported in NPPES; status is on the state search - Practice location
- 5145 N California Ave Ste M276, Chicago, IL 60625
- Phone
- (773) 878-8200
- Enumerated
- Jul 3, 2013
- Record last updated
- Oct 30, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (773) 989-1734
- Medicare enrollment
- Enrolled (PECOS I20170823000922); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,535 in Illinois → Look up another NPI →
Also registered at 5145 N California Ave Ste M276
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Natalia Galkine, M.D.Hospitalist Physician1518177450
- Vaidotas Petrus, MDHospitalist Physician1154513505
Verify Gregory Anderson 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 036.143664Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average hospitalist physician in 2024
15 Medicare Part D claims for 11 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $379.35
15 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 7,324 providers of this specialty with any payment received $494.84 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).
Gregory Anderson among 1,535 hospitalist physician records in Illinois
Gregory Anderson, DO is one of 1,535 hospitalist physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 43% of them.
- NPI issued2013 · 43% of these records are older, 52% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2013 · median 2013 among the 1,339 with a school on file
- Record last updated2020 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Illinois
There are 1,535 hospitalist physician records in Illinois.
All 1,535 in Illinois → Every provider in Chicago → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Jorge Chedrauy, MDChicago, IL 606251154617421
- Michael Feinzimer, MDChicago, IL 606251457455065
- Natalia Galkine, M.D.Chicago, IL 606251518177450
- Youshay Humayun, M.D.Chicago, IL 606251093010423
- Atika Khan, MDChicago, IL 606251174713648
- Asfahan Khan, D.O.Chicago, IL 606251861856247
- Ryan Levenhagen, DOChicago, IL 606251609289040
- Swathi Mothkur, MDChicago, IL 606251164505392
Common questions
What is Gregory Anderson, DO's NPI number?
Gregory Anderson, DO's National Provider Identifier (NPI) is 1255771358, issued on Jul 3, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Anderson, DO located?
The NPPES record lists a practice address at 5145 N California Ave Ste M276, Chicago, IL, 60625. Phone: (773) 878-8200. Providers update this record themselves, so call before visiting.
How can I verify Gregory Anderson, DO's license?
NPPES lists Illinois license number 036.143664, 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 Gregory Anderson, DO prescribe under Medicare Part D?
In 2024, Gregory Anderson, DO had 15 Medicare Part D claims for 11 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Gregory Anderson, DO'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.