Dr. Rachel Grinnan, DO
- Part D claims, 2019
- 157
- Publications
- 1
- Hospital affiliations
- 3
- Industry payments
- $5,101
- Medical group
- 1
- Practice address
- 7700 Floyd Curl Dr, San Antonio, TX 78229
- Practice phone
- Call (210) 575-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Methodist Hospital (TX)
San Antonio, Texas
Find Dr. Grinnan'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. Rachel Grinnan is a vascular surgeon in San Antonio, Texas
Dr. Grinnan practices at Methodist Hospital (TX) in San Antonio, Texas.
Dr. Grinnan's NPI, 1215383815, was assigned on May 12, 2016. Dr. Grinnan graduated from Arizona College of Osteopathic Medicine - Glendale in 2015. Dr. Grinnan holds Texas license U5113.
- NPI
- 1215383815NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325375777
- NPI enumeration date
- May 12, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (210) 575-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rachel Grinnan practices at Methodist Hospital (TX) in San Antonio, Texas
Dr. Grinnan's primary practice is Methodist Hospital (TX), at 7700 Floyd Curl Dr, San Antonio, TX 78229 in Bexar County. The practice phone is (210) 575-4000.
- Methodist Hospital (TX)7700 Floyd Curl Dr, San Antonio, TX 78229 · Bexar CountyPhone(210) 575-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Rachel Grinnan is affiliated with 5 sites of care and 1 medical group
Dr. Grinnan's primary practice is Methodist Hospital (TX) in San Antonio, Texas. Dr. Grinnan is also affiliated with Methodist Hospital. The medical group on file is Cardiology Clinic of San Antonio. Dmand AI also links Dr. Grinnan to 2 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Rachel Grinnan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grinnan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Methodist Hospital (TX) | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Rachel Grinnan is one of 317 vascular surgeons in Texas
Vascular surgery is Dr. Grinnan's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Grinnan is board certified in 2023 - 2025 by the TX State License. Dr. Grinnan is licensed in Texas.
Specialties and state licenses
- Vascular surgery, TexasPrimary
Vascular surgeons near Dr. Grinnan
Counts of vascular surgeons 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. Rachel Grinnan's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Grinnan's median patient age at 70, with 42% women.
Dr. Grinnan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women42%
- Men56%
Source: Dmand AI Patient Panel Data
Dr. Rachel Grinnan wrote 157 Medicare Part D claims in 2019
In 2019, Dr. Grinnan wrote 157 Medicare Part D claims. They cover 11 drugs, with $1,061 in total drug cost.
Dr. Grinnan's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Rachel Grinnan ranks in the 74th percentile for leg revascularization (restoring blood flow) in Medicare
Dr. Grinnan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 16 procedures of leg revascularization (restoring blood flow) by Dr. Grinnan, more than 74% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Grinnan ranks in Medicare procedure volume
- Leg revascularization (restoring blood flow)
- 74th percentile16 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Varicose vein removal: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Rachel Grinnan has 1 publication on record
Dmand AI links 1 paper to Dr. Grinnan in 2020. Dr. Grinnan's most frequent co-author is Richard James Ricca, FACS, MD.
Dr. Grinnan's most frequent co-authors
- Richard James Ricca, FACS, MD1 shared paper
Recent publications by Dr. Grinnan
See who Dr. Grinnan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Grinnan works with, so you can find a warm path to the right vascular surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Rachel Grinnan received $5,101 in industry payments from 2024 to 2025
CMS Open Payments shows 46 general payments to Dr. Grinnan from 20 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 57% of the total. Silk Road Medical, Inc. paid the most, $1,255.
General payments to Dr. Grinnan by program year, 2024 to 2025
General payments to Dr. Grinnan by kind, 2024 to 2025
- Food and beverage$2,89757%
- Travel and lodging$1,78435%
- Education$4208%
Companies that paid Dr. Grinnan the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Rachel Grinnan graduated from Arizona College of Osteopathic Medicine - Glendale
Dr. Grinnan graduated from Arizona College of Osteopathic Medicine - Glendale in 2015.
- Medical school
- Board certified in 2023 - 2025
Source: Dmand AI Professional Profile Data
Dr. Rachel Grinnan accepts plans from 12 insurance carriers
Dr. Grinnan is in network with 12 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Elevance
- HCSC
- Alliant Health Plans
- Blue Cross Blue Shield of Michigan
- Aspirus Health Plan
- Baylor Scott and White
- +4 more carriersWith a free account
Plan types Dr. Grinnan accepts, by number of carriers
- PPO9
- HMO6
- Medicare4
- EPO3
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Rachel Grinnan'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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)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) |
| 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. Rachel Grinnan
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. Rachel Grinnan's NPI number?
Dr. Rachel Grinnan's NPI number is 1215383815. It was assigned on May 12, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Rachel Grinnan?
Dr. Rachel Grinnan is a vascular surgeon in San Antonio, Texas. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).
Where does Dr. Rachel Grinnan practice?
Dr. Grinnan practices at 7700 Floyd Curl Dr, San Antonio, TX 78229. Dr. Grinnan's primary practice is Methodist Hospital (TX) in San Antonio, Texas. Dmand AI also links Dr. Grinnan to 2 hospitals and 1 group practice or clinic.
What is Dr. Rachel Grinnan's office phone number?
The practice phone on file for Dr. Grinnan is (210) 575-4000.
What is Dr. Rachel Grinnan's medical license number?
Dr. Grinnan holds Texas license U5113.
Which hospitals is Dr. Rachel Grinnan affiliated with?
Dr. Grinnan is affiliated with Methodist Hospital. Dmand AI links Dr. Grinnan to 2 more hospitals.
What medical group is Dr. Rachel Grinnan part of?
Dr. Grinnan is linked to Cardiology Clinic of San Antonio.
Does Dr. Rachel Grinnan accept Medicare?
Yes. CMS lists Dr. Grinnan as accepting Medicare assignment.
Is Dr. Rachel Grinnan board certified?
Yes. Dr. Grinnan is board certified in 2023 - 2025 by the TX State License.
Where did Dr. Rachel Grinnan go to medical school?
Dr. Grinnan graduated from Arizona College of Osteopathic Medicine - Glendale in 2015.
Show 6 more questionsShow fewer questions
What drugs does Dr. Rachel Grinnan prescribe most?
In 2019 Medicare Part D data, Dr. Grinnan's most prescribed drugs by claims were Amoxicillin-Clavulanate Potass, Prednisone and Gabapentin.
Has Dr. Rachel Grinnan received payments from drug or device companies?
CMS Open Payments shows $5,101 in general payments to Dr. Grinnan from 20 companies from 2024 to 2025. The largest total came from Silk Road Medical, Inc.
How long has Dr. Rachel Grinnan been practicing?
Dr. Grinnan graduated from medical school in 2015, 11 years ago.
Does Dr. Rachel Grinnan do research?
Dmand AI links 1 publication to Dr. Grinnan.
Who does Dr. Rachel Grinnan publish with?
Dr. Grinnan's most frequent co-authors are Richard James Ricca, FACS, MD (1 shared paper).
What insurance does Dr. Rachel Grinnan accept?
Dr. Grinnan is in network with 12 carriers, including Aetna, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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