Intensive Care Med Exp
Dr. Stephen Derdak, DO
NPI1659471027PAC ID4587844477
- Publications
- 24
- MIPS score, 2024
- 97
- Hospital affiliations
- 1
- Industry payments
- $410
- Medical groups
- 2
- Practice address
- 5223 Hamilton Wolfe,, San Antonio, TX 78229
- Practice phone
- Call (210) 614-1234
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gastroenterology Consultants of San Antonio - Medical Center Clinic and Ambulatory Surgical Center
Surgery Center - Medicare-Certified · San Antonio, Texas
Find Dr. Derdak'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. Stephen Derdak is a pulmonologist in San Antonio, Texas
Dr. Derdak practices at Gastroenterology Consultants of San Antonio - Medical Center Clinic and Ambulatory Surgical Center in San Antonio, Texas.
Dr. Derdak's NPI, 1659471027, was assigned on September 25, 2006. Dr. Derdak graduated from Texas College of Osteopathic Medicine in 1980. Dr. Derdak holds Texas license F6571.
NPI and contact details
- NPI
- 1659471027NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587844477
- NPI enumeration date
- September 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (210) 614-1234
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen Derdak practices at Gastroenterology Consultants of San Antonio - Medical Center Clinic and Ambulatory Surgical Center in San Antonio, Texas
Dr. Derdak's primary practice is Gastroenterology Consultants of San Antonio - Medical Center Clinic and Ambulatory Surgical Center, at 5223 Hamilton Wolfe,, San Antonio, TX 78229. The practice phone is (210) 614-1234.
- Gastroenterology Consultants of San Antonio - Medical Center Clinic and Ambulatory Surgical Center5223 Hamilton Wolfe,, San Antonio, TX 78229Phone(210) 614-1234
Source: Dmand AI Affiliation Data
Dr. Stephen Derdak is affiliated with 4 sites of care and 2 medical groups
Dr. Derdak's primary practice is Gastroenterology Consultants of San Antonio - Medical Center Clinic and Ambulatory Surgical Center in San Antonio, Texas. Dr. Derdak is also affiliated with University Hospital. The medical group on file is University Medicine Associates. Dmand AI also links Dr. Derdak to 2 more group practices and clinics and 1 medical group, each named with a free account.
Gastroenterology Consultants of San Antonio - Medical Center Clinic and Ambulatory Surgical CenterPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stephen Derdak's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Derdak practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gastroenterology Consultants of San Antonio - Medical Center Clinic and Ambulatory Surgical Center | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Derdak practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Stephen Derdak is one of 900 pulmonologists in Texas
Pulmonary disease is Dr. Derdak's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Derdak is board certified in critical care medicine by the American Board of Internal Medicine. Dr. Derdak is licensed in Texas.
Specialties and state licenses
- Pulmonary disease, TexasPrimary
Pulmonologists near Dr. Derdak
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. Stephen Derdak's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Dr. Derdak's median patient age at 64, with 48% women.
Dr. Derdak's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women48%
- Men52%
Source: Dmand AI Patient Panel Data
Dr. Stephen Derdak scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Derdak for performance year 2024, reported as part of a group. Dr. Derdak accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Derdak's MIPS scores, performance year 2024
- 97of 100Final score
- 83.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
Dr. Stephen Derdak has 24 publications on record
Dmand AI links 24 papers to Dr. Derdak, published from 2010 to 2021. 2012 was the busiest year, with 2. The most frequent topics are Fibroblasts, Respiratory Distress Syndrome and Lung. Dr. Derdak has published most often in Crit Care Med. Dr. Derdak's most frequent co-authors are Adam Whitnel Bostick, MD, Marc D. Feldman, MD and Shawn Keith French, DO.
Papers24
Years published2010 to 2021
Dr. Derdak's papers by year, 2010 to 2021
Topics Dr. Derdak writes about most
- Fibroblasts
- Respiratory Distress Syndrome
- Lung
- High-Frequency Ventilation
- Collagen
- Antigens, Surface
- Thy-1 Antigens
- Interferon-gamma
Dr. Derdak's most frequent co-authors
- Adam Whitnel Bostick, MD1 shared paper
- Marc D. Feldman, MD1 shared paper
- Shawn Keith French, DO1 shared paper
Recent publications by Dr. Derdak
Carbon DioxideDisease Models, AnimalHigh-Frequency Ventilation
See who Dr. Derdak researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Derdak 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. Stephen Derdak received $410 in industry payments from 2018 to 2024
CMS Open Payments shows 4 general payments to Dr. Derdak from 4 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 100% of the total. Mallinckrodt LLC paid the most, $125.
General payments to Dr. Derdak by program year, 2018 to 2024
Companies that paid Dr. Derdak the most, 2018 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen Derdak graduated from Texas College of Osteopathic Medicine
Dr. Derdak graduated from Texas College of Osteopathic Medicine in 1980.
- Medical school
- Board certified in critical care medicine
- Board certified in internal medicine
- Board certified in pulmonary disease
- Board certified in 2011 - 2027
- Board certified in 1987 - 2024
- Board certified in 1987 - 2026
- Board certified in 1987 - 2023
- Board certified in 1980 - 2025
Source: Dmand AI Professional Profile Data
Dr. Stephen Derdak accepts plans from 22 insurance carriers
Dr. Derdak is in network with 22 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Elevance
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Cigna
- HCSC
- Humana
- Alliant Health Plans
- +14 more carriersWith a free account
Plan types Dr. Derdak accepts, by number of carriers
- HMO13
- PPO13
- Medicare10
- POS6
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Stephen Derdak'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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) |
| 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. Stephen Derdak
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. Stephen Derdak's NPI number?
Dr. Stephen Derdak's NPI number is 1659471027. It was assigned on September 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen Derdak?
Dr. Stephen Derdak is a pulmonologist in San Antonio, Texas. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Stephen Derdak practice?
Dr. Derdak practices at 5223 Hamilton Wolfe,, San Antonio, TX 78229. Dr. Derdak's primary practice is Gastroenterology Consultants of San Antonio - Medical Center Clinic and Ambulatory Surgical Center in San Antonio, Texas. Dmand AI also links Dr. Derdak to 2 group practices and clinics and 1 medical group.
What is Dr. Stephen Derdak's office phone number?
The practice phone on file for Dr. Derdak is (210) 614-1234.
What is Dr. Stephen Derdak's medical license number?
Dr. Derdak holds Texas license F6571.
Which hospitals is Dr. Stephen Derdak affiliated with?
Dr. Derdak is affiliated with University Hospital.
What medical group is Dr. Stephen Derdak part of?
Dr. Derdak is linked to University Medicine Associates. Dmand AI links Dr. Derdak to 1 more medical group.
Does Dr. Stephen Derdak accept Medicare?
Yes. CMS lists Dr. Derdak as accepting Medicare assignment.
What is Dr. Stephen Derdak's MIPS score?
Dr. Derdak's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
Is Dr. Stephen Derdak board certified?
Yes. Dr. Derdak is board certified in critical care medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
Where did Dr. Stephen Derdak go to medical school?
Dr. Derdak graduated from Texas College of Osteopathic Medicine in 1980.
Has Dr. Stephen Derdak received payments from drug or device companies?
CMS Open Payments shows $410 in general payments to Dr. Derdak from 4 companies from 2018 to 2024. The largest total came from Mallinckrodt LLC.
How long has Dr. Stephen Derdak been practicing?
Dr. Derdak graduated from medical school in 1980, 46 years ago.
Does Dr. Stephen Derdak do research?
Dmand AI links 24 publications to Dr. Derdak, published from 2010 to 2021.
Who does Dr. Stephen Derdak publish with?
Dr. Derdak's most frequent co-authors are Adam Whitnel Bostick, MD (1 shared paper), Marc D. Feldman, MD (1 shared paper) and Shawn Keith French, DO (1 shared paper).
What insurance does Dr. Stephen Derdak accept?
Dr. Derdak is in network with 22 carriers, including Elevance, Aetna and Blue Cross Blue Shield of Michigan. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.
Selling to pulmonary disease practices?
See pulmonologists in Texas 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