John S. Ferguson, MD
Pulmonary Disease Physician · Madison, WI
John S. Ferguson, MD is a pulmonary disease physician with a practice address in Madison, Wisconsin, and NPI 1205823317, issued on Oct 4, 2005. Check the license (Wisconsin 52109, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John S. Ferguson
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 52109 WI
Self-reported in NPPES; status is on the state search - Practice location
- 600 Highland Ave, Madison, WI 53792
- Phone
- (608) 263-7203
- Enumerated
- Oct 4, 2005
- Record last updated
- Jan 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (608) 263-9103
- Medicare enrollment
- Enrolled (PECOS I20081107000283); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 1988
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 300 in Wisconsin → Look up another NPI →
Also registered at 600 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Daniel Abbott, MDSurgical Oncology Physician1750412615
- Alaa Abd-ElsayedPain Medicine Physician1194967703
- Safiyya Abdulkadir, MDRheumatology Physician1093455826
- Edwin Abel, M.D.Urology Physician1083800510
Verify John S. Ferguson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 52109Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
206 Medicare Part D claims for 45 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 80% of claims.
Most prescribed
- Trelegy Ellipta21 claims
- Anoro Ellipta16 claims
- Spiriva Respimat16 claims
- Advair Hfa15 claims
- Spiriva Handihaler15 claims
- Symbicort13 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.
Industry payments in 2024: $13,505.39
10 payments; by number, the most common kind was food and beverage; the largest payer was Intuitive Surgical, Inc. The 8,806 providers of this specialty with any payment received $5,159.88 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
- University OF Wisconsin Medical Foundation IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John S. Ferguson among 300 pulmonary disease physician records in Wisconsin
John S. Ferguson, MD is one of 300 pulmonary disease physician records with a practice address in Wisconsin. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1988 · median 2003 among the 220 with a school on file
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in Wisconsin
There are 300 pulmonary disease physician records in Wisconsin.
All 300 in Wisconsin → Every provider in Madison → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Donita Croft, MDMadison, WI 537921508948688
- Loren Denlinger, MDMadison, WI 537921508827411
- Guillermo Dopico, MDMadison, WI 537921861460891
- Michael Eberlein, MDMadison, WI 537921568482362
- Ellie Golestanian, MDMadison, WI 537921376500033
- Jeffrey Grossman, MDMadison, WI 537921619944782
- Nizar Jarjour, MDMadison, WI 537921700852654
- Hasmeena Kathuria, MDMadison, WI 537921801863485
Common questions
What is John S. Ferguson, MD's NPI number?
John S. Ferguson, MD's National Provider Identifier (NPI) is 1205823317, issued on Oct 4, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John S. Ferguson, MD located?
The NPPES record lists a practice address at 600 Highland Ave, Madison, WI, 53792. Phone: (608) 263-7203. Providers update this record themselves, so call before visiting.
How can I verify John S. Ferguson, MD's license?
NPPES lists Wisconsin license number 52109, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John S. Ferguson, MD prescribe under Medicare Part D?
In 2024, John S. Ferguson, MD had 206 Medicare Part D claims for 45 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.