Dr. Calvin Ogden McGowan, MD
- Medicare services, 2024
- 70
- Medicare patients, 2024
- 194
- Part D claims, 2022
- 13
- MIPS score, 2024
- 83
- Hospital affiliations
- 1
- Practice address
- 120 E Harris Ave., San Angelo, TX 76903
- Practice phone
- Call (325) 653-6741
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. McGowan's professional email, personal email and mobile number
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Dr. Calvin Ogden McGowan is an anesthesiologist in San Angelo, Texas
Dr. McGowan practices at Shannon Medical Center in San Angelo, Texas, part of Shannon Health System.
Dr. McGowan's NPI, 1710205703, was assigned on May 14, 2010. Dr. McGowan graduated from McGovern Medical School in 2010. Dr. McGowan holds Texas license P8388.
- NPI
- 1710205703NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779720511
- NPI enumeration date
- May 14, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (325) 653-6741
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Calvin Ogden McGowan practices at Shannon Medical Center in San Angelo, Texas
Dr. McGowan's primary practice is Shannon Medical Center, at 120 E Harris Ave., San Angelo, TX 76903 in Tom Green County. The practice phone is (325) 653-6741.
- Shannon Medical Center120 E Harris Ave., San Angelo, TX 76903 · Tom Green CountyPhone(325) 653-6741
Source: Dmand AI Affiliation Data
Dr. Calvin Ogden McGowan is affiliated with 1 site of care and 1 medical group
Dr. McGowan's primary practice is Shannon Medical Center in San Angelo, Texas, part of Shannon Health System. The medical group on file is Shannon Clinic.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Calvin Ogden McGowan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. McGowan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Shannon Medical Center | 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 Shannon Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Calvin Ogden McGowan is one of 4,073 anesthesiologists in Texas
Anesthesiology is Dr. McGowan's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. McGowan is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. McGowan's licenses on file in 2 states: Texas and Alabama.
Specialties and state licenses
- Anesthesiology, TexasPrimary
- Alabama license
Anesthesiologists near Dr. McGowan
Counts of anesthesiologists 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. Calvin Ogden McGowan billed Medicare for 70 services in 2024
CMS data shows 70 Medicare services from Dr. McGowan across 5 procedure codes in 2024, for 194 Medicare patients. Medicare paid $6,962 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. McGowan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 842024: 4250%
- Surgery
- 2023: 172024: 2865%
Dr. McGowan compared with the Texas median for anesthesiologists, 2024
- Dr. McGowan
- Texas median
- Medicare services
- 70vs 71Close to median
- Medicare patients
- 194vs 13247% above
- Part D claims
- 13vs 2650% below
Medians across 3,710 anesthesiologists in Texas with Dmand AI profiles that report each measure.
Dr. McGowan'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. McGowan and other anesthesiologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Calvin Ogden McGowan treated 194 Medicare patients in 2024, average age 72
CMS counts 194 Medicare patients who saw Dr. McGowan in 2024. The largest group is 65 to 74, with 88 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.59, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. McGowan's median patient age at 71, with 56% women.
Dr. McGowan's Medicare patients by age, 2024
Dr. McGowan's Medicare patients by sex, 2024
- Women9549%
- Men9951%
Chronic conditions among Dr. McGowan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Diabetes41%
- Ischemic heart disease36%
- Chronic kidney disease32%
- Heart failure31%
- Mood disorders23%
Share of Medicare patients with each condition. A patient can have several.
Dr. McGowan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Calvin Ogden McGowan wrote 13 Medicare Part D claims in 2022
In 2022, Dr. McGowan wrote 13 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $101 in total drug cost. In 2021, CMS named 13 claims across 1 drug.
Dr. McGowan's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 132022: 13No change
Drugs named by CMS: 1 in 2022, 1 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Calvin Ogden McGowan scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. McGowan for performance year 2024, reported as part of a group. Dr. McGowan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. McGowan's MIPS scores, performance year 2024
- 83of 100Final score
- 78.2of 100Quality
- 96of 100Promoting Interoperability
- 40of 100Improvement Activities
- 67of 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
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Dr. Calvin Ogden McGowan received $328 in industry payments from 2016 to 2023
CMS Open Payments shows 15 general payments to Dr. McGowan from 6 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Medtronic Vascular, Inc. paid the most, $181.
General payments to Dr. McGowan by program year, 2016 to 2023
Companies that paid Dr. McGowan the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Calvin Ogden McGowan graduated from McGovern Medical School
Dr. McGowan graduated from McGovern Medical School in 2010.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Calvin Ogden McGowan accepts plans from 19 insurance carriers
Dr. McGowan is in network with 19 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- +11 more carriersWith a free account
Plan types Dr. McGowan accepts, by number of carriers
- PPO13
- HMO10
- Medicare9
- POS6
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Calvin Ogden McGowan'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) |
| 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) |
| 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. Calvin Ogden McGowan
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. Calvin Ogden McGowan's NPI number?
Dr. Calvin Ogden McGowan's NPI number is 1710205703. It was assigned on May 14, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Calvin Ogden McGowan?
Dr. Calvin Ogden McGowan is an anesthesiologist in San Angelo, Texas. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Calvin Ogden McGowan practice?
Dr. McGowan practices at 120 E Harris Ave., San Angelo, TX 76903. Dr. McGowan's primary practice is Shannon Medical Center in San Angelo, Texas, part of Shannon Health System.
What is Dr. Calvin Ogden McGowan's office phone number?
The practice phone on file for Dr. McGowan is (325) 653-6741.
What is Dr. Calvin Ogden McGowan's medical license number?
Dr. McGowan holds Texas license P8388, one of the licenses on file in 2 states.
Which states has Dr. Calvin Ogden McGowan been licensed in?
Dmand AI has state licenses on file for Dr. McGowan in Texas (2013 to 2026) and Alabama (2011 to 2014).
Which hospitals is Dr. Calvin Ogden McGowan affiliated with?
Dr. McGowan practices at Shannon Medical Center in San Angelo, Texas.
What medical group is Dr. Calvin Ogden McGowan part of?
Dr. McGowan is linked to Shannon Clinic.
Does Dr. Calvin Ogden McGowan accept Medicare?
Yes. CMS data shows Dr. McGowan billed Medicare for 70 services in 2024, and Dr. McGowan accepts Medicare assignment.
What is Dr. Calvin Ogden McGowan's MIPS score?
Dr. McGowan's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Calvin Ogden McGowan see?
CMS counts 194 Medicare patients who saw Dr. McGowan in 2024, with an average age of 72.
Is Dr. Calvin Ogden McGowan board certified?
Yes. Dr. McGowan is board certified in anesthesiology by the American Board of Anesthesiology.
What services does Dr. Calvin Ogden McGowan bill to Medicare?
In 2024, Dr. McGowan's most billed Medicare services were anesthesia (00731), surgery: heart and blood vessels (36620) and anesthesia (00790).
Where did Dr. Calvin Ogden McGowan go to medical school?
Dr. McGowan graduated from McGovern Medical School in 2010.
What drugs does Dr. Calvin Ogden McGowan prescribe most?
In 2022 Medicare Part D data, Dr. McGowan's most prescribed drugs by claims were Hydrochlorothiazide.
Has Dr. Calvin Ogden McGowan received payments from drug or device companies?
CMS Open Payments shows $328 in general payments to Dr. McGowan from 6 companies from 2016 to 2023. The largest total came from Medtronic Vascular, Inc.
How long has Dr. Calvin Ogden McGowan been practicing?
Dr. McGowan graduated from medical school in 2010, 16 years ago.
What insurance does Dr. Calvin Ogden McGowan accept?
Dr. McGowan is in network with 19 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.
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