Dr. Thomas G. Gehlbach, MD
- Medicare services, 2024
- 1,888
- Medicare patients, 2024
- 613
- Part D claims, 2024
- 1,790
- Publications
- 2
- Hospital affiliations
- 5
- Practice address
- 700 South Park St, Madison, WI 53715
- Practice phone
- Call (608) 251-6100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gehlbach's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Thomas G. Gehlbach is a pulmonologist in Madison, Wisconsin
Dr. Gehlbach practices at SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin, part of SSM Health Care.
Dr. Gehlbach's NPI, 1891905600, was assigned on May 23, 2007. Dr. Gehlbach graduated from University of Illinois College of Medicine - Chicago in 2004. Dr. Gehlbach's Wisconsin license number on file is 54163-20.
- NPI
- 1891905600NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375692114
- NPI enumeration date
- May 23, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (608) 251-6100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas G. Gehlbach practices at SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin
Dr. Gehlbach's primary practice is SSM Health St. Mary's Hospital - Madison, at 700 South Park St, Madison, WI 53715 in Dane County. The practice phone is (608) 251-6100.
- SSM Health St. Mary's Hospital - Madison700 South Park St, Madison, WI 53715 · Dane CountyPhone(608) 251-6100
Source: Dmand AI Affiliation Data
Dr. Thomas G. Gehlbach is affiliated with 5 sites of care and 1 medical group
Dr. Gehlbach's primary practice is SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin, part of SSM Health Care. Dr. Gehlbach is also affiliated with SSM Health St. Clare Hospital - Baraboo. The medical group on file is SSM Health Dean Medical Group. Dmand AI also links Dr. Gehlbach to 3 more hospitals, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas G. Gehlbach's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gehlbach practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SSM Health St. Mary's Hospital - Madison | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across SSM Health Care and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Thomas G. Gehlbach is one of 239 pulmonologists in Wisconsin
Pulmonary disease is Dr. Gehlbach's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Gehlbach is board certified in critical care medicine by the American Board of Internal Medicine. Dmand AI has Dr. Gehlbach's licenses on file in 3 states: Wisconsin, Illinois and Iowa.
Specialties and state licenses
- Pulmonary disease, WisconsinPrimary
- Illinois license
- Iowa license
Clinical focus
Dmand AI lists asthma, chronic lung disease, chronic obstructive pulmonary disease (COPD), chronic respiratory failure, pleural effusion, pneumonia, pulmonary fibrosis and pulmonary heart disease among the conditions Dr. Gehlbach treats.
Pulmonologists near Dr. Gehlbach
Counts of pulmonologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Thomas G. Gehlbach billed Medicare for 1,888 services in 2024
CMS data shows 1,888 Medicare services from Dr. Gehlbach across 18 procedure codes in 2024, for 613 Medicare patients. Medicare paid $88,060 for them.
Dr. Gehlbach's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7682024: 768No change
- Tests and treatments
- 2023: 8082024: 65918%
- Other services
- 2023: 722024: 336367%
- Drugs given in the office
- 2023: 662024: 7818%
- Surgery
- 2023: 372024: 4727%
Where Dr. Gehlbach's Medicare services took place, 2024
- In an office1,35972%
- In a facility52928%
Dr. Gehlbach compared with the Wisconsin median for pulmonologists, 2024
- Dr. Gehlbach
- Wisconsin median
- Medicare services
- 1,888vs 5003.8 times
- Medicare patients
- 613vs 2232.7 times
- Part D claims
- 1,669vs 5523.0 times
Medians across 247 pulmonologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Gehlbach's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Gehlbach?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gehlbach and other pulmonologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas G. Gehlbach treated 613 Medicare patients in 2024, average age 73
CMS counts 613 Medicare patients who saw Dr. Gehlbach in 2024. The largest group is 65 to 74, with 302 patients. 73% of them have high cholesterol, and 67% have high blood pressure. 16% are also on Medicaid. Their average risk score is 1.48, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gehlbach's median patient age at 72, with 56% women.
Dr. Gehlbach's Medicare patients by age, 2024
Dr. Gehlbach's Medicare patients by sex, 2024
- Women35959%
- Men25441%
Chronic conditions among Dr. Gehlbach's Medicare patients, 2024
- High cholesterol73%
- High blood pressure67%
- COPD52%
- Arthritis39%
- Ischemic heart disease36%
- Diabetes30%
- Heart failure30%
- Mood disorders27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gehlbach's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas G. Gehlbach wrote 1,790 Medicare Part D claims in 2024
In 2024, Dr. Gehlbach wrote 1,790 Medicare Part D claims for 275 patients. 35% of them were for generic drugs. CMS names the drug for 1,669 of them, across 30 drugs with 11 or more claims each, at $654,805 in total drug cost. In 2023, CMS named 1,497 claims across 30 drugs.
Dr. Gehlbach's Part D claims by kind of drug, 2024
- Generic623 claims35%
- Brand-name1,167 claims65%
Dr. Gehlbach's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Gehlbach's Part D claims, 2024
- Antibiotics6%116 of 1,790 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,4972024: 1,66911%
Drugs named by CMS: 30 in 2024, 30 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Thomas G. Gehlbach offers telehealth to Medicare patients
Dr. Gehlbach accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Gehlbach as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Thomas G. Gehlbach has 2 publications on record
Dmand AI links 2 papers to Dr. Gehlbach in 2011. Dr. Gehlbach's most frequent co-authors are Gregory A. Schmidt, MD and Karl William Thomas, MD.
Dr. Gehlbach's most frequent co-authors
Recent publications by Dr. Gehlbach
See who Dr. Gehlbach researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gehlbach works with, so you can find a warm path to the right pulmonologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Thomas G. Gehlbach received $854 in industry payments from 2016 to 2024
CMS Open Payments shows 51 general payments to Dr. Gehlbach from 11 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 90% of the total. Sunovion Pharmaceuticals Inc. paid the most, $259.
General payments to Dr. Gehlbach by program year, 2016 to 2024
General payments to Dr. Gehlbach by kind, 2016 to 2024
- Food and beverage$76590%
- Education$8910%
Companies that paid Dr. Gehlbach the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas G. Gehlbach has 1 award and honors on record
Dmand AI lists 1 award for Dr. Gehlbach, most recently CMS Stage 1 EHR in 2011.
Awards and honors for Dr. Gehlbach
- 2011
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Thomas G. Gehlbach graduated from University of Illinois College of Medicine - Chicago
Dr. Gehlbach graduated from University of Illinois College of Medicine - Chicago in 2004.
- Medical school
- Board certified in critical care medicine
- Board certified in internal medicine
- Board certified in pulmonary disease
Source: Dmand AI Professional Profile Data
Dr. Thomas G. Gehlbach accepts plans from 12 insurance carriers
Dr. Gehlbach is in network with 12 carriers, including Elevance, HCSC and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Elevance
- HCSC
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Aetna
- Blue Cross Blue Shield of Massachusetts
- Dean Health Plan
- Alliant Health Plans
- +4 more carriersWith a free account
Plan types Dr. Gehlbach accepts, by number of carriers
- Medicare7
- PPO7
- HMO6
- Medicaid4
- POS4
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Thomas G. Gehlbach's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Thomas G. Gehlbach
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Thomas G. Gehlbach's NPI number?
Dr. Thomas G. Gehlbach's NPI number is 1891905600. It was assigned on May 23, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas G. Gehlbach?
Dr. Thomas G. Gehlbach is a pulmonologist in Madison, Wisconsin. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Thomas G. Gehlbach practice?
Dr. Gehlbach practices at 700 South Park St, Madison, WI 53715. Dr. Gehlbach's primary practice is SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin, part of SSM Health Care. Dmand AI also links Dr. Gehlbach to 3 hospitals.
What is Dr. Thomas G. Gehlbach's office phone number?
The practice phone on file for Dr. Gehlbach is (608) 251-6100.
What is Dr. Thomas G. Gehlbach's medical license number?
Dr. Gehlbach's Wisconsin license number on file is 54163-20, one of the licenses on file in 3 states.
Which states has Dr. Thomas G. Gehlbach been licensed in?
Dmand AI has state licenses on file for Dr. Gehlbach in Wisconsin (2010 to 2025), Illinois (2012 to 2023) and Iowa (2004 to 2012).
Which hospitals is Dr. Thomas G. Gehlbach affiliated with?
Dr. Gehlbach practices at SSM Health St. Mary's Hospital - Madison in Madison, Wisconsin. Dr. Gehlbach is also affiliated with SSM Health St. Clare Hospital - Baraboo. Dmand AI links Dr. Gehlbach to 3 more hospitals.
What medical group is Dr. Thomas G. Gehlbach part of?
Dr. Gehlbach is linked to SSM Health Dean Medical Group.
Does Dr. Thomas G. Gehlbach accept Medicare?
Yes. CMS data shows Dr. Gehlbach billed Medicare for 1,888 services in 2024, and Dr. Gehlbach accepts Medicare assignment.
Does Dr. Thomas G. Gehlbach offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Gehlbach as offering telehealth services.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Thomas G. Gehlbach see?
CMS counts 613 Medicare patients who saw Dr. Gehlbach in 2024, with an average age of 73.
Is Dr. Thomas G. Gehlbach board certified?
Yes. Dr. Gehlbach is board certified in critical care medicine by the American Board of Internal Medicine.
What services does Dr. Thomas G. Gehlbach bill to Medicare?
In 2024, Dr. Gehlbach's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and lung function service (94729).
Where did Dr. Thomas G. Gehlbach go to medical school?
Dr. Gehlbach graduated from University of Illinois College of Medicine - Chicago in 2004.
What drugs does Dr. Thomas G. Gehlbach prescribe most?
In 2024 Medicare Part D data, Dr. Gehlbach's most prescribed drugs by claims were Trelegy Ellipta, Albuterol Sulfate Hfa and Prednisone.
Has Dr. Thomas G. Gehlbach received payments from drug or device companies?
CMS Open Payments shows $854 in general payments to Dr. Gehlbach from 11 companies from 2016 to 2024. The largest total came from Sunovion Pharmaceuticals Inc.
How long has Dr. Thomas G. Gehlbach been practicing?
Dr. Gehlbach graduated from medical school in 2004, 22 years ago.
Does Dr. Thomas G. Gehlbach do research?
Dmand AI links 2 publications to Dr. Gehlbach.
Who does Dr. Thomas G. Gehlbach publish with?
Dr. Gehlbach's most frequent co-authors are Gregory A. Schmidt, MD (1 shared paper) and Karl William Thomas, MD (1 shared paper).
What insurance does Dr. Thomas G. Gehlbach accept?
Dr. Gehlbach is in network with 12 carriers, including Elevance, HCSC and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
Selling to pulmonary disease practices?
See pulmonologists in Wisconsin by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card