Addison Grant Marshall
- Medicare services, 2024
- 3,186
- Medicare patients, 2024
- 303
- Part D claims, 2024
- 964
- MIPS score, 2024
- 90
- Hospital affiliations
- 2
- Practice address
- 1919 Rogers Road Suite 102, San Antonio, TX 78251
- Practice phone
- Call (210) 541-0700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Comfort Surgery Center of San Antonio
Surgery Center - Medicare-Certified · San Antonio, Texas
Find Addison Marshall'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.
Addison Grant Marshall is a physician assistant in San Antonio, Texas
Addison Marshall practices at Comfort Surgery Center of San Antonio in San Antonio, Texas.
Addison Marshall's NPI, 1366911265, was assigned on November 20, 2018. Addison Marshall holds Texas license PA12539.
- NPI
- 1366911265NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991046088
- NPI enumeration date
- November 20, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (210) 541-0700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Addison Grant Marshall practices at Comfort Surgery Center of San Antonio in San Antonio, Texas
Addison Marshall's primary practice is Comfort Surgery Center of San Antonio, at 1919 Rogers Road Suite 102, San Antonio, TX 78251. The practice phone is (210) 541-0700.
- Comfort Surgery Center of San Antonio1919 Rogers Road Suite 102, San Antonio, TX 78251Phone(210) 541-0700
Source: Dmand AI Affiliation Data
Addison Grant Marshall is affiliated with 4 sites of care and 2 medical groups
Addison Marshall's primary practice is Comfort Surgery Center of San Antonio in San Antonio, Texas. Addison Marshall is also affiliated with University Hospital. The medical group on file is UT Health Physicians. Dmand AI also links Addison Marshall to 1 more hospital, 1 group practice or clinic 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 Addison Grant Marshall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Addison Marshall practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Comfort Surgery Center of San Antonio | 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
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.
Addison Grant Marshall is one of 8,663 physician assistants in Texas
Physician assistant is Addison Marshall's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Addison Marshall is licensed in Texas.
Specialties and state licenses
- Physician assistant, TexasPrimary
Physician assistants near Addison Marshall
Counts of physician assistants 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
Addison Grant Marshall billed Medicare for 3,186 services in 2024
CMS data shows 3,186 Medicare services from Addison Marshall across 10 procedure codes in 2024, for 303 Medicare patients. Medicare paid $81,178 for them. Every service was in an office.
Addison Marshall's Medicare services by type, 2024
- Drugs given in the office2,362
- Office and hospital visits587
- Other services138
- Surgery99
Addison Marshall compared with the Texas median for physician assistants, 2024
- Addison Marshall
- Texas median
- Medicare services
- 3,186vs 22913.9 times
- Medicare patients
- 303vs 993.1 times
- Part D claims
- 920vs 2963.1 times
Medians across 5,541 physician assistants in Texas with Dmand AI profiles that report each measure.
Addison Marshall'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 Addison Marshall?
Medicare shows one payer. Book a meeting to get commercial claims data for Addison Marshall and other physician assistants in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Addison Grant Marshall treated 303 Medicare patients in 2024, average age 72
CMS counts 303 Medicare patients who saw Addison Marshall in 2024. The largest group is 65 to 74, with 139 patients. 75% of them have arthritis, and 75% have high blood pressure. 8% are also on Medicaid. Their average risk score is 1.14, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Addison Marshall's median patient age at 61, with 59% women.
Addison Marshall's Medicare patients by age, 2024
Addison Marshall's Medicare patients by sex, 2024
- Women15852%
- Men14548%
Chronic conditions among Addison Marshall's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Anxiety35%
- Diabetes32%
- Chronic kidney disease29%
- Mood disorders28%
- Ischemic heart disease27%
Share of Medicare patients with each condition. A patient can have several.
Addison Marshall's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Addison Grant Marshall wrote 964 Medicare Part D claims in 2024
In 2024, Addison Marshall wrote 964 Medicare Part D claims for 233 patients. 98% of them were for generic drugs. CMS names the drug for 920 of them, across 17 drugs with 11 or more claims each, at $26,432 in total drug cost.
Addison Marshall's Part D claims by kind of drug, 2024
- Generic947 claims98%
- Brand-name17 claims2%
Addison Marshall'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 Addison Marshall's Part D claims, 2024
- Opioids16%155 of 964 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
Addison Grant Marshall scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Addison Marshall for performance year 2024, reported as part of a group. Addison Marshall accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Addison Marshall as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Addison Marshall's MIPS scores, performance year 2024
- 90of 100Final score
- 95of 100Quality
- 40of 100Improvement Activities
- 72of 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
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.
Addison Grant Marshall received $354 in industry payments from 2024 to 2025
CMS Open Payments shows 12 general payments to Addison Marshall from 4 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $252.
General payments to Addison Marshall by program year, 2024 to 2025
Companies that paid Addison Marshall the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Addison Grant Marshall'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Addison Grant Marshall
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Addison Grant Marshall's NPI number?
Addison Grant Marshall's NPI number is 1366911265. It was assigned on November 20, 2018, and it is active in the NPI Registry.
What does Addison Grant Marshall specialize in?
Addison Grant Marshall is a physician assistant in San Antonio, Texas. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Addison Grant Marshall practice?
Addison Marshall practices at 1919 Rogers Road Suite 102, San Antonio, TX 78251. Addison Marshall's primary practice is Comfort Surgery Center of San Antonio in San Antonio, Texas. Dmand AI also links Addison Marshall to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Addison Grant Marshall's office phone number?
The practice phone on file for Addison Marshall is (210) 541-0700.
What is Addison Grant Marshall's medical license number?
Addison Marshall holds Texas license PA12539.
Which hospitals is Addison Grant Marshall affiliated with?
Addison Marshall is affiliated with University Hospital. Dmand AI links Addison Marshall to 1 more hospital.
What medical group is Addison Grant Marshall part of?
Addison Marshall is linked to UT Health Physicians. Dmand AI links Addison Marshall to 1 more medical group.
Does Addison Grant Marshall accept Medicare?
Yes. CMS data shows Addison Marshall billed Medicare for 3,186 services in 2024, and Addison Marshall accepts Medicare assignment.
Does Addison Grant Marshall offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Addison Marshall as offering telehealth services.
What is Addison Grant Marshall's MIPS score?
Addison Marshall's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
Show 5 more questionsShow fewer questions
How many Medicare patients does Addison Grant Marshall see?
CMS counts 303 Medicare patients who saw Addison Marshall in 2024, with an average age of 72.
What services does Addison Grant Marshall bill to Medicare?
In 2024, Addison Marshall's most billed Medicare services were injected or infused drug (J7320), office visit, established patient (99213) and injected or infused drug (J3301).
What drugs does Addison Grant Marshall prescribe most?
In 2024 Medicare Part D data, Addison Marshall's most prescribed drugs by claims were Gabapentin, Tramadol HCl and Pregabalin.
Has Addison Grant Marshall received payments from drug or device companies?
CMS Open Payments shows $354 in general payments to Addison Marshall from 4 companies from 2024 to 2025. The largest total came from Boston Scientific Corporation.
How long has Addison Grant Marshall been practicing?
Addison Marshall graduated from medical school in 2018, 8 years ago.
Selling to physician assistant practices?
See physician assistants 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