John Stephen Baird, MD
Internal Medicine Physician · Glen Ellyn, IL
John Stephen Baird, MD is an internal medicine physician with a practice address in Glen Ellyn, Illinois, and NPI 1851555619, issued on Jul 10, 2008. Check the license (Illinois 125050970, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- John Stephen Baird
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 125050970 IL
Self-reported in NPPES; status is on the state search - Practice location
- 885 Roosevelt RD, Glen Ellyn, IL 60137
- Phone
- (630) 384-6330
- Enumerated
- Jul 10, 2008
- Record last updated
- Feb 6, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (630) 384-6339
- Medicaid ID
- 036122379 IL
- Medicare enrollment
- Enrolled (PECOS I20090901000115); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 885 Roosevelt RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cynthia Ambler, MDPediatrics Physician1255479523
- Joseph Christensen, MDPediatrics Physician1932121357
- Mary Christensen, M.S.N., A.P.N.Nurse Practitioner1770634842
- Thomas Destefani, MDPediatrics Physician1588638811
- Stephen Gawne, MDInternal Medicine Physician1497729537
- Michelle Hephner, DOFamily Medicine Physician1235346719
Verify John Stephen Baird 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 125050970Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average internal medicine physician in 2024
8,207 Medicare Part D claims for 589 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 364 claims were for opioids.
Most prescribed
- Atorvastatin Calcium663 claims
- Levothyroxine Sodium277 claims
- Lisinopril261 claims
- Amlodipine Besylate234 claims
- Rosuvastatin Calcium230 claims
- Hydrocodone-Acetaminophen220 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 2 group practices
- Central Dupage Physician GroupWheaton, IL
- Select Rehabilitation, LLCGlenview, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Stephen Baird among 7,238 internal medicine physician records in Illinois
John Stephen Baird, MD 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
- Graduated2006 · median 2003 among the 3,580 with a school on file
- Record last updated2018 · 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).
18 internal medicine physician records list a practice address in Glen Ellyn
They are 18 of the 684 NPPES records with a practice address in Glen Ellyn, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Glen Ellyn → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Walter Briney, M.D.Glen Ellyn, IL 601371659365955
- Jonathan Delew, M.D.Glen Ellyn, IL 601371629060710
- Adelbert Duvel, MDGlen Ellyn, IL 601371275508772
- Stephen Gawne, MDGlen Ellyn, IL 601371497729537
- Rita Herzing, M.D.Glen Ellyn, IL 601371316103559
- Mary Kungl, M.D.Glen Ellyn, IL 601371437215076
- Thomas Marshall, M.D.Glen Ellyn, IL 601371043202054
- Carol Olmstead Miecznikowski, MDGlen Ellyn, IL 601371467429456
Common questions
What is John Stephen Baird, MD's NPI number?
John Stephen Baird, MD's National Provider Identifier (NPI) is 1851555619, issued on Jul 10, 2008. An NPI identifies a provider in billing; it is not a license.
Where is John Stephen Baird, MD located?
The NPPES record lists a practice address at 885 Roosevelt RD, Glen Ellyn, IL, 60137. Phone: (630) 384-6330. Providers update this record themselves, so call before visiting.
How can I verify John Stephen Baird, MD's license?
NPPES lists Illinois license number 125050970, 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 John Stephen Baird, MD prescribe under Medicare Part D?
In 2024, John Stephen Baird, MD had 8,207 Medicare Part D claims for 589 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.