Dr. John S. Ferris, MD
- Medicare services, 2022
- 1,587
- Part D claims, 2024
- 147
- Industry payments
- $2,954
- Affiliated sites
- 1
- Medical groups
- 2
- Practice address
- 1650 W College St, Grapevine, TX 76051
- Practice phone
- Call (817) 481-1588
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Baylor Scott & White Medical Center - Grapevine
Grapevine, Texas
Find Dr. Ferris' 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. John S. Ferris is an internist in Grapevine, Texas
Dr. Ferris practices at Baylor Scott & White Medical Center - Grapevine in Grapevine, Texas.
Dr. Ferris' NPI, 1538257084, was assigned on October 10, 2006. Dr. Ferris graduated from Loyola University Chicago Stritch School of Medicine in 1976. Dr. Ferris holds Texas license E6346.
- NPI
- 1538257084NPI Registry (opens in a new tab)
- NPI enumeration date
- October 10, 2006
- NPI status
- Active
- Practice phone
- (817) 481-1588
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. John S. Ferris practices at Baylor Scott & White Medical Center - Grapevine in Grapevine, Texas
Dr. Ferris' primary practice is Baylor Scott & White Medical Center - Grapevine, at 1650 W College St, Grapevine, TX 76051 in Tarrant County. The practice phone is (817) 481-1588.
- Baylor Scott & White Medical Center - Grapevine1650 W College St, Grapevine, TX 76051 · Tarrant CountyPhone(817) 481-1588
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John S. Ferris is affiliated with 2 sites of care and 2 medical groups
Dr. Ferris' primary practice is Baylor Scott & White Medical Center - Grapevine in Grapevine, Texas. The medical group on file is Radiology Associates of North Texas. Dmand AI also links Dr. Ferris to 1 more group practice or clinic and 1 medical group, 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. John S. Ferris' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ferris practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baylor Scott & White Medical Center - Grapevine | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John S. Ferris is one of 8,437 internists in Texas
Internal medicine is Dr. Ferris' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ferris is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Ferris' licenses on file in 4 states: Texas, Florida, Colorado and Illinois.
Specialties and state licenses
- Internal medicine, TexasPrimary
- Florida license
- Colorado license
- Illinois license
Clinical focus
Dmand AI lists acute sinusitis, chronic hypertension, conjunctivitis, high cholesterol, low blood pressure, lower back pain, sleep apnea and upper respiratory infection (URI) among the conditions Dr. Ferris treats.
Internists near Dr. Ferris
Counts of internists 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. John S. Ferris billed Medicare for 1,587 services in 2022
CMS data shows 1,587 Medicare services from Dr. Ferris across 18 procedure codes in 2022. Medicare paid $91,470 for them. Every service was in an office.
Dr. Ferris' Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 9352022: 77817%
- Tests and treatments
- 2021: 8042022: 71911%
- Lab and pathology
- 2021: 132022: 39200%
- Other services
- 2021: 652022: 3743%
- Imaging
- 2021: 472022: 1470%
Dr. Ferris compared with the Texas median for internists, 2022
- Dr. Ferris
- Texas median
- Medicare services
- 1,587vs 5392.9 times
- Part D claims
- 18vs 28994% below
Medians across 7,794 internists in Texas with Dmand AI profiles that report each measure.
Dr. Ferris' most billed Medicare procedure codes, 2022
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. Ferris?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ferris and other internists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John S. Ferris' patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Dr. Ferris' median patient age at 66, with 41% women.
Dr. Ferris' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women41%
- Men58%
Source: Dmand AI Patient Panel Data
Dr. John S. Ferris wrote 147 Medicare Part D claims in 2024
In 2024, Dr. Ferris wrote 147 Medicare Part D claims for 67 patients. 86% of them were for generic drugs. CMS names the drug for 18 of them, across 1 drug with 11 or more claims each, at $141 in total drug cost. In 2023, CMS named 629 claims across 24 drugs.
Dr. Ferris' Part D claims by kind of drug, 2024
- Generic127 claims86%
- Brand-name and other20 claims14%
Dr. Ferris' 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6292024: 1897%
Drugs named by CMS: 1 in 2024, 24 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
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Dr. John S. Ferris received $2,954 in industry payments from 2016 to 2023
CMS Open Payments shows 195 general payments to Dr. Ferris from 27 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $903.
General payments to Dr. Ferris by program year, 2016 to 2023
General payments to Dr. Ferris by kind, 2016 to 2023
- Food and beverage$2,949100%
- Education$50%
Companies that paid Dr. Ferris 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. John S. Ferris graduated from Loyola University Chicago Stritch School of Medicine
Dr. Ferris graduated from Loyola University Chicago Stritch School of Medicine in 1976.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. John S. Ferris accepts plans from 21 insurance carriers
Dr. Ferris is in network with 21 carriers, including Elevance, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.
- Elevance
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Aetna
- Cigna
- HCSC
- Humana
- +13 more carriersWith a free account
Plan types Dr. Ferris accepts, by number of carriers
- PPO14
- HMO13
- Medicare10
- POS5
- EPO4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. John S. Ferris'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 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 Data |
| 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) |
| 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. John S. Ferris
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. John S. Ferris' NPI number?
Dr. John S. Ferris' NPI number is 1538257084. It was assigned on October 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John S. Ferris?
Dr. John S. Ferris is an internist in Grapevine, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John S. Ferris practice?
Dr. Ferris practices at 1650 W College St, Grapevine, TX 76051. Dr. Ferris' primary practice is Baylor Scott & White Medical Center - Grapevine in Grapevine, Texas. Dmand AI also links Dr. Ferris to 1 group practice or clinic and 1 medical group.
What is Dr. John S. Ferris' office phone number?
The practice phone on file for Dr. Ferris is (817) 481-1588.
What is Dr. John S. Ferris' medical license number?
Dr. Ferris holds Texas license E6346, one of the licenses on file in 4 states.
Which states has Dr. John S. Ferris been licensed in?
Dmand AI has state licenses on file for Dr. Ferris in Texas (1976 to 2026), Florida (2010 to 2027), Colorado (1978 to 2023) and Illinois (1979 to 1984).
What medical group is Dr. John S. Ferris part of?
Dr. Ferris is linked to Radiology Associates of North Texas. Dmand AI links Dr. Ferris to 1 more medical group.
Does Dr. John S. Ferris accept Medicare?
Yes. CMS data shows Dr. Ferris billed Medicare for 1,587 services in 2022.
Is Dr. John S. Ferris board certified?
Yes. Dr. Ferris is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. John S. Ferris bill to Medicare?
In 2022, Dr. Ferris' most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and heart test or procedure (93000).
Show 5 more questionsShow fewer questions
Where did Dr. John S. Ferris go to medical school?
Dr. Ferris graduated from Loyola University Chicago Stritch School of Medicine in 1976.
What drugs does Dr. John S. Ferris prescribe most?
In 2024 Medicare Part D data, Dr. Ferris' most prescribed drugs by claims were Atorvastatin Calcium.
Has Dr. John S. Ferris received payments from drug or device companies?
CMS Open Payments shows $2,954 in general payments to Dr. Ferris from 27 companies from 2016 to 2023. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. John S. Ferris been practicing?
Dr. Ferris graduated from medical school in 1976, 50 years ago.
What insurance does Dr. John S. Ferris accept?
Dr. Ferris is in network with 21 carriers, including Elevance, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 14. Check the plan with the practice before a visit.
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