Philip Jason Clapham, MD
Infectious Disease Physician · Chicago, IL
Philip Jason Clapham, MD is an infectious disease physician with a practice address in Chicago, Illinois, and NPI 1861806580, issued on Jun 20, 2014. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Philip Jason Clapham
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- 01084363A IN
11017937A IN
Self-reported in NPPES; status is on the state search - Practice location
- 1740 W Taylor St, Chicago, IL 60612
- Phone
- (866) 600-2273
- Enumerated
- Jun 20, 2014
- Record last updated
- Mar 6, 2025
- Medicaid ID
- 300042320 IN
- Medicare enrollment
- Enrolled (PECOS I20200826003035); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 464 in Illinois → Look up another NPI →
Also registered at 1740 W Taylor St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ivy AbrahamHematology & Oncology Physician1497172845
- Rohit Abraham, MD, MPH, MATPsychiatry Physician1013478932
- Ereni Abuaita, DOInternal Medicine Physician1013710961
Verify Philip Jason Clapham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average infectious disease physician in 2024
92 Medicare Part D claims for 34 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin11 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
- IU Health Medical Group LLCIndianapolis, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Philip Jason Clapham among 464 infectious disease physician records in Illinois
Philip Jason Clapham, MD is one of 464 infectious disease physician records with a practice address in Illinois. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 75% of them.
- NPI issued2014 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2014 · median 2004 among the 311 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Illinois
There are 464 infectious disease physician records in Illinois.
All 464 in Illinois → Every provider in Chicago → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Stephanie Black, M.D.Chicago, IL 606121316908791
- Larry Goodman, M.DChicago, IL 606121356396550
- Alan Harris, M.D.Chicago, IL 606121699736488
- Mary Hayden, M.D.Chicago, IL 606121730140187
- Ronald Hershow, M.D.Chicago, IL 606121942241054
- Preeti Kaur, M.D.,M.P.H.Chicago, IL 606121972560639
- Harold Kessler, M.D.Chicago, IL 606121730140534
- John KowalskiChicago, IL 606121235178708
Common questions
What is Philip Jason Clapham, MD's NPI number?
Philip Jason Clapham, MD's National Provider Identifier (NPI) is 1861806580, issued on Jun 20, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Philip Jason Clapham, MD located?
The NPPES record lists a practice address at 1740 W Taylor St, Chicago, IL, 60612. Phone: (866) 600-2273. Providers update this record themselves, so call before visiting.
How can I verify Philip Jason Clapham, MD's license?
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 Philip Jason Clapham, MD prescribe under Medicare Part D?
In 2024, Philip Jason Clapham, MD had 92 Medicare Part D claims for 34 beneficiaries; the average among infectious disease physician prescribers was 689. 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.