Dr. Margaret Isabel Thirston, MD
- Medicare services, 2024
- 330
- Medicare patients, 2024
- 451
- Part D claims, 2022
- 109
- Hospital affiliations
- 2
- Industry payments
- $579
- Practice address
- One Hospital Dr SE, Huntsville, AL 35801
- Practice phone
- Call (256) 429-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Thirston'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. Margaret Isabel Thirston is an anesthesiologist in Huntsville, Alabama
Dr. Thirston practices at Crestwood Medical Center in Huntsville, Alabama, part of Huntsville Hospital Health System.
Dr. Thirston's NPI, 1114103330, was assigned on January 17, 2008. Dr. Thirston graduated from R Franklin University of Med & Sci/Chicago Medical School in 2002. Dr. Thirston holds Illinois license 036114092.
- NPI
- 1114103330NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6800970286
- NPI enumeration date
- January 17, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (256) 429-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Margaret Isabel Thirston practices at 2 locations in Huntsville, Alabama
Dr. Thirston's primary practice is Crestwood Medical Center, at One Hospital Dr SE, Huntsville, AL 35801 in Madison County. The practice phone is (256) 429-4000. Dr. Thirston also practices at Crestwood Medical Center, 1 Hospital SW Dr, Huntsville, AL 35801.
- Crestwood Medical CenterPrimaryOne Hospital Dr SE, Huntsville, AL 35801 · Madison CountyPhone(256) 429-4000
- Crestwood Medical Center1 Hospital SW Dr, Huntsville, AL 35801 · Madison CountyPhone(256) 882-3100
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Margaret Isabel Thirston is affiliated with 2 sites of care and 3 medical groups
Dr. Thirston's primary practice is Crestwood Medical Center in Huntsville, Alabama, part of Huntsville Hospital Health System. Dr. Thirston is also affiliated with Huntsville Hospital. The medical group on file is PhySynergy. Dmand AI also links Dr. Thirston to 2 more medical groups, 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. Margaret Isabel Thirston's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thirston practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Crestwood Medical Center | Available with a free account |
| +1 more site and 2 medical groups | 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 Huntsville Hospital Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Margaret Isabel Thirston is one of 526 anesthesiologists in Alabama
Anesthesiology is Dr. Thirston's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has Dr. Thirston's licenses on file in 2 states: Illinois and Florida.
Specialties and state licenses
- Anesthesiology, IllinoisPrimary
- Pain medicine (anesthesiology), Florida
Anesthesiologists near Dr. Thirston
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. Margaret Isabel Thirston billed Medicare for 330 services in 2024
CMS data shows 330 Medicare services from Dr. Thirston across 13 procedure codes in 2024, for 451 Medicare patients. Medicare paid $20,529 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Thirston's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 4412024: 31329%
- Surgery
- 2023: 02024: 17
Dr. Thirston compared with the Alabama median for anesthesiologists, 2024
- Dr. Thirston
- Alabama median
- Medicare services
- 330vs 1622.0 times
- Medicare patients
- 451vs 25875% above
- Part D claims
- 109vs 274.0 times
Medians across 549 anesthesiologists in Alabama with Dmand AI profiles that report each measure.
Dr. Thirston'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. Thirston?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Thirston and other anesthesiologists in Alabama.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Margaret Isabel Thirston treated 451 Medicare patients in 2024, average age 73
CMS counts 451 Medicare patients who saw Dr. Thirston in 2024. The largest group is 65 to 74, with 217 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Thirston's median patient age at 65, with 64% women.
Dr. Thirston's Medicare patients by age, 2024
Dr. Thirston's Medicare patients by sex, 2024
- Women26258%
- Men18942%
Chronic conditions among Dr. Thirston's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis64%
- Diabetes41%
- Ischemic heart disease37%
- Anxiety31%
- Chronic kidney disease30%
- Mood disorders28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Thirston'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
- Women64%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Margaret Isabel Thirston wrote 109 Medicare Part D claims in 2022
In 2022, Dr. Thirston wrote 109 Medicare Part D claims. They cover 4 drugs, with $2,712 in total drug cost. In 2021, CMS named 352 claims across 9 drugs.
Dr. Thirston'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: 3522022: 10969%
Drugs named by CMS: 4 in 2022, 9 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Margaret Isabel Thirston takes part in Medicare
Dr. Thirston accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Margaret Isabel Thirston received $579 in industry payments from 2016 to 2023
CMS Open Payments shows 13 general payments to Dr. Thirston from 8 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 60% of the total. Flowonix Medical Incorporated paid the most, $232.
General payments to Dr. Thirston by program year, 2016 to 2023
General payments to Dr. Thirston by kind, 2016 to 2023
- Food and beverage$34760%
- Entertainment$23240%
Companies that paid Dr. Thirston 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. Margaret Isabel Thirston graduated from R Franklin University of Med & Sci/Chicago Medical School
Dr. Thirston graduated from R Franklin University of Med & Sci/Chicago Medical School in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Margaret Isabel Thirston'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Margaret Isabel Thirston
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. Margaret Isabel Thirston's NPI number?
Dr. Margaret Isabel Thirston's NPI number is 1114103330. It was assigned on January 17, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Margaret Isabel Thirston?
Dr. Margaret Isabel Thirston is an anesthesiologist in Huntsville, Alabama. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Margaret Isabel Thirston practice?
Dr. Thirston practices at One Hospital Dr SE, Huntsville, AL 35801. Dr. Thirston also practices at 1 Hospital SW Dr, Huntsville, AL 35801. Dr. Thirston's primary practice is Crestwood Medical Center in Huntsville, Alabama, part of Huntsville Hospital Health System. Dmand AI also links Dr. Thirston to 2 medical groups.
What is Dr. Margaret Isabel Thirston's office phone number?
The practice phone on file for Dr. Thirston is (256) 429-4000.
What is Dr. Margaret Isabel Thirston's medical license number?
Dr. Thirston holds Illinois license 036114092, one of the licenses on file in 2 states.
Which states has Dr. Margaret Isabel Thirston been licensed in?
Dmand AI has state licenses on file for Dr. Thirston in Illinois and Florida.
Which hospitals is Dr. Margaret Isabel Thirston affiliated with?
Dr. Thirston practices at Crestwood Medical Center in Huntsville, Alabama. Dr. Thirston is also affiliated with Huntsville Hospital.
What medical group is Dr. Margaret Isabel Thirston part of?
Dr. Thirston is linked to PhySynergy. Dmand AI links Dr. Thirston to 2 more medical groups.
Does Dr. Margaret Isabel Thirston accept Medicare?
Yes. CMS data shows Dr. Thirston billed Medicare for 330 services in 2024, and Dr. Thirston accepts Medicare assignment.
How many Medicare patients does Dr. Margaret Isabel Thirston see?
CMS counts 451 Medicare patients who saw Dr. Thirston in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. Margaret Isabel Thirston bill to Medicare?
In 2024, Dr. Thirston's most billed Medicare services were anesthesia (00731), anesthesia (00811) and anesthesia (00812).
Where did Dr. Margaret Isabel Thirston go to medical school?
Dr. Thirston graduated from R Franklin University of Med & Sci/Chicago Medical School in 2002.
What drugs does Dr. Margaret Isabel Thirston prescribe most?
In 2022 Medicare Part D data, Dr. Thirston's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Oxycodone HCl and Gabapentin.
Has Dr. Margaret Isabel Thirston received payments from drug or device companies?
CMS Open Payments shows $579 in general payments to Dr. Thirston from 8 companies from 2016 to 2023. The largest total came from Flowonix Medical Incorporated.
How long has Dr. Margaret Isabel Thirston been practicing?
Dr. Thirston graduated from medical school in 2002, 24 years ago.
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