Prentiss B. Taylor, M.D.
Internal Medicine Physician · Chicago, IL
Prentiss B. Taylor, M.D. is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1801055983, issued on Jun 4, 2008. Check the license (Illinois 036-058964, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Prentiss B. Taylor
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 036-058964 IL
E-12633 AR
37632 AZ
G86930 CA
MD-42030 IA
and 10 more
Self-reported in NPPES; status is on the state search - Practice location
- 9831 S Western Ave, Chicago, IL 60643
- Phone
- (773) 445-3500
- Enumerated
- Jun 4, 2008
- Record last updated
- Dec 16, 2022
- Fax
- (773) 445-0575
- Medicare enrollment
- Enrolled (PECOS I20080701000339); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1978
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 9831 S Western Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mylaun Blackwell, MDInternal Medicine Physician1841993102
- Richard Bone, M.D.Gastroenterology Physician1407887938
- Patrice Burch, MDFamily Medicine Physician1679508071
- Patricia Burke, M.D.Geriatric Medicine (Internal Medicine) Physician1518042787
Verify Prentiss B. Taylor 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 036-058964Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% more Medicare Part D claims than the average internal medicine physician in 2024
4,398 Medicare Part D claims for 510 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 93 claims were for opioids.
Most prescribed
- Atorvastatin Calcium414 claims
- Amlodipine Besylate366 claims
- Metformin Hcl178 claims
- Metoprolol Succinate159 claims
- Losartan Potassium141 claims
- Albuterol Sulfate Hfa136 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.
Bills Medicare through one group practice
- Advocate Health And Hospitals CorporationBuffalo Grove, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Prentiss B. Taylor among 7,238 internal medicine physician records in Illinois
Prentiss B. Taylor, M.D. is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 45% of them.
- NPI issued2008 · 45% of these records are older, 51% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1978 · median 2003 among the 3,580 with a school on file
- Record last updated2022 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,867 internal medicine physician records list a practice address in Chicago
They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Chicago → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Corazon Benig, M.D.Chicago, IL 606431760437172
- Robia Byas, M.D.Chicago, IL 606431093748758
- Cedric Coleman, MDChicago, IL 606431104809755
- Magnus Edosomwan, MDChicago, IL 606431215959176
- Thelma Evans, M.D.Chicago, IL 606431184659336
- Necholas Ghannam, MDChicago, IL 606431962480541
- Katherine Granberry, M.D.Chicago, IL 606431881612471
- Richard Harris, M.D.Chicago, IL 606431942249008
Common questions
What is Prentiss B. Taylor, M.D.'s NPI number?
Prentiss B. Taylor, M.D.'s National Provider Identifier (NPI) is 1801055983, issued on Jun 4, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Prentiss B. Taylor, M.D. located?
The NPPES record lists a practice address at 9831 S Western Ave, Chicago, IL, 60643. Phone: (773) 445-3500. Providers update this record themselves, so call before visiting.
How can I verify Prentiss B. Taylor, M.D.'s license?
NPPES lists Illinois license number 036-058964, 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 Prentiss B. Taylor, M.D. prescribe under Medicare Part D?
In 2024, Prentiss B. Taylor, M.D. had 4,398 Medicare Part D claims for 510 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.