Am J Kidney Dis
Dr. Michael J. Guirl, MD
- Medicare services, 2024
- 1,139
- Medicare patients, 2024
- 733
- Part D claims, 2024
- 1,623
- Publications
- 3
- MIPS score, 2024
- 81
- Practice address
- 855 Proton Drive, San Antonio, TX 78258
- Practice phone
- Call (210) 614-1234
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
GCSA Stone Oak
Surgery Center - Medicare-Certified · San Antonio, Texas
Find Dr. Guirl'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. Michael J. Guirl is a gastroenterologist in San Antonio, Texas
Dr. Guirl practices at GCSA Stone Oak in San Antonio, Texas.
Dr. Guirl's NPI, 1962496711, was assigned on September 8, 2005. Dr. Guirl graduated from Baylor College Of Medicine in 1997. Dr. Guirl holds Texas license K5545.
- NPI
- 1962496711NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315932902
- NPI enumeration date
- September 8, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (210) 614-1234
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael J. Guirl practices at GCSA Stone Oak in San Antonio, Texas
Dr. Guirl's primary practice is GCSA Stone Oak, at 855 Proton Drive, San Antonio, TX 78258. The practice phone is (210) 614-1234.
- GCSA Stone Oak855 Proton Drive, San Antonio, TX 78258Phone(210) 614-1234
Source: Dmand AI Affiliation Data
Dr. Michael J. Guirl is affiliated with 3 sites of care and 2 medical groups
Dr. Guirl's primary practice is GCSA Stone Oak in San Antonio, Texas. Dr. Guirl is also affiliated with Baptist Medical Center. The medical group on file is Texas Digestive Disease Consultants. Dmand AI also links Dr. Guirl to 1 more hospital and 1 medical group, 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. Michael J. Guirl's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guirl practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| GCSA Stone Oak | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael J. Guirl is one of 1,341 gastroenterologists in Texas
Gastroenterology is Dr. Guirl's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Guirl is board certified in gastroenterology by the American Board of Internal Medicine. Dr. Guirl is licensed in Texas.
Specialties and state licenses
- Gastroenterology, TexasPrimary
Clinical focus
Dmand AI lists acid reflux, chronic inflammatory bowel disease (IBD), cirrhosis of the liver, colonoscopy, fatty liver, gastrointestinal bleeding, hemorrhoids and hepatitis c among the conditions Dr. Guirl treats.
Gastroenterologists near Dr. Guirl
Counts of gastroenterologists 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. Michael J. Guirl billed Medicare for 1,139 services in 2024
CMS data shows 1,139 Medicare services from Dr. Guirl across 15 procedure codes in 2024, for 733 Medicare patients. Medicare paid $140,841 for them.
Dr. Guirl's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 5122024: 64526%
- Office and hospital visits
- 2023: 4462024: 31629%
- Other services
- 2023: 1452024: 1461%
- Tests and treatments
- 2023: 212024: 3252%
Where Dr. Guirl's Medicare services took place, 2024
- In an office34831%
- In a facility79169%
Dr. Guirl compared with the Texas median for gastroenterologists, 2024
- Dr. Guirl
- Texas median
- Medicare services
- 1,139vs 5052.3 times
- Medicare patients
- 733vs 2842.6 times
- Part D claims
- 1,432vs 4932.9 times
Medians across 1,281 gastroenterologists in Texas with Dmand AI profiles that report each measure.
Dr. Guirl'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. Guirl?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Guirl and other gastroenterologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael J. Guirl treated 733 Medicare patients in 2024, average age 73
CMS counts 733 Medicare patients who saw Dr. Guirl in 2024. The largest group is 65 to 74, with 430 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 2% are also on Medicaid. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Guirl's median patient age at 65, with 50% women.
Dr. Guirl's Medicare patients by age, 2024
Dr. Guirl's Medicare patients by sex, 2024
- Women39153%
- Men34247%
Chronic conditions among Dr. Guirl's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis49%
- Ischemic heart disease29%
- Diabetes23%
- Chronic kidney disease22%
- Mood disorders20%
- Anxiety19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Guirl's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael J. Guirl wrote 1,623 Medicare Part D claims in 2024
In 2024, Dr. Guirl wrote 1,623 Medicare Part D claims for 722 patients. 66% of them were for generic drugs. CMS names the drug for 1,432 of them, across 30 drugs with 11 or more claims each, at $206,554 in total drug cost. In 2023, CMS named 1,640 claims across 30 drugs.
Dr. Guirl's Part D claims by kind of drug, 2024
- Generic1,076 claims66%
- Brand-name and other547 claims34%
Dr. Guirl'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. Guirl's Part D claims, 2024
- Antibiotics3%44 of 1,623 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: 1,6402024: 1,43213%
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. Michael J. Guirl scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Guirl for performance year 2024, reported as part of a group. Dr. Guirl accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Guirl as offering telehealth. CMS counts 169 procedures of colonoscopy by Dr. Guirl, more than 91% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Guirl's MIPS scores, performance year 2024
- 81of 100Final score
- 66.5of 100Quality
- 98of 100Promoting Interoperability
- 40of 100Improvement Activities
- 72of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Guirl ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 89th percentile185 procedures
- Colonoscopy
- 91st percentile169 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Michael J. Guirl has 3 publications on record
Dmand AI links 3 papers to Dr. Guirl. The most frequent topics are Feces. Dr. Guirl's most frequent co-authors are Michael Emmett, MD, Goran B. G. Klintmalm, MD and Sidney Neimark, MD.
Topics Dr. Guirl writes about most
- Feces
Dr. Guirl's most frequent co-authors
- Michael Emmett, MD1 shared paper
- Goran B. G. Klintmalm, MD1 shared paper
- Sidney Neimark, MD1 shared paper
Recent publications by Dr. Guirl
Am J Gastroenterol
See who Dr. Guirl researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Guirl works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael J. Guirl received $10,489 in industry payments from 2016 to 2025
CMS Open Payments shows 661 general payments to Dr. Guirl from 43 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $3,253.
General payments to Dr. Guirl by program year, 2016 to 2025
Companies that paid Dr. Guirl the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael J. Guirl has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Guirl, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Guirl
- 2013
- CMS Stage 1 EHR
- Undated
- ACG Fellow
Source: Dmand AI Professional Profile Data
Dr. Michael J. Guirl graduated from Baylor College Of Medicine
Dr. Guirl graduated from Baylor College Of Medicine in 1997. Dr. Guirl is a member of ACG.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Dr. Michael J. Guirl accepts plans from 23 insurance carriers
Dr. Guirl is in network with 23 carriers, including Elevance, Aetna and United Healthcare. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Elevance
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- HCSC
- Humana
- Alliant Health Plans
- Aspirus Health Plan
- +15 more carriersWith a free account
Plan types Dr. Guirl accepts, by number of carriers
- HMO13
- PPO13
- Medicare11
- POS6
- EPO4
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Michael J. Guirl'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Michael J. Guirl
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. Michael J. Guirl's NPI number?
Dr. Michael J. Guirl's NPI number is 1962496711. It was assigned on September 8, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael J. Guirl?
Dr. Michael J. Guirl is a gastroenterologist in San Antonio, Texas. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Michael J. Guirl practice?
Dr. Guirl practices at 855 Proton Drive, San Antonio, TX 78258. Dr. Guirl's primary practice is GCSA Stone Oak in San Antonio, Texas. Dmand AI also links Dr. Guirl to 1 hospital and 1 medical group.
What is Dr. Michael J. Guirl's office phone number?
The practice phone on file for Dr. Guirl is (210) 614-1234.
What is Dr. Michael J. Guirl's medical license number?
Dr. Guirl holds Texas license K5545.
Which hospitals is Dr. Michael J. Guirl affiliated with?
Dr. Guirl is affiliated with Baptist Medical Center. Dmand AI links Dr. Guirl to 1 more hospital.
What medical group is Dr. Michael J. Guirl part of?
Dr. Guirl is linked to Texas Digestive Disease Consultants. Dmand AI links Dr. Guirl to 1 more medical group.
Does Dr. Michael J. Guirl accept Medicare?
Yes. CMS data shows Dr. Guirl billed Medicare for 1,139 services in 2024, and Dr. Guirl accepts Medicare assignment.
Does Dr. Michael J. Guirl offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Guirl as offering telehealth services.
What is Dr. Michael J. Guirl's MIPS score?
Dr. Guirl's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Michael J. Guirl see?
CMS counts 733 Medicare patients who saw Dr. Guirl in 2024, with an average age of 73.
Is Dr. Michael J. Guirl board certified?
Yes. Dr. Guirl is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. Michael J. Guirl bill to Medicare?
In 2024, Dr. Guirl's most billed Medicare services were surgery: digestive system (45385), surgery: digestive system (43239) and office visit, new patient (99204).
Where did Dr. Michael J. Guirl go to medical school?
Dr. Guirl graduated from Baylor College Of Medicine in 1997.
What drugs does Dr. Michael J. Guirl prescribe most?
In 2024 Medicare Part D data, Dr. Guirl's most prescribed drugs by claims were Pantoprazole Sodium, Peg-3350 And Electrolytes and Omeprazole.
Has Dr. Michael J. Guirl received payments from drug or device companies?
CMS Open Payments shows $10,489 in general payments to Dr. Guirl from 43 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Michael J. Guirl been practicing?
Dr. Guirl graduated from medical school in 1997, 29 years ago.
Does Dr. Michael J. Guirl do research?
Dmand AI links 3 publications to Dr. Guirl.
Who does Dr. Michael J. Guirl publish with?
Dr. Guirl's most frequent co-authors are Michael Emmett, MD (1 shared paper), Goran B. G. Klintmalm, MD (1 shared paper) and Sidney Neimark, MD (1 shared paper).
What insurance does Dr. Michael J. Guirl accept?
Dr. Guirl is in network with 23 carriers, including Elevance, Aetna and United Healthcare. HMO plans come from the most carriers, 13. Check the plan with the practice before a visit.
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