Dr. John Stillson, MD
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 343
- Publications
- 12
- Hospital affiliations
- 4
- Industry payments
- $250
- Practice address
- 340 4th Ave, Chula Vista, CA 91910
- Practice phone
- Call (619) 422-8338
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern California Health Providers Medical Grp Inc
Chula Vista, California
Find Dr. Stillson'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. John Stillson is a family medicine physician in Chula Vista, California
Dr. Stillson practices at Southern California Health Providers Medical Grp Inc in Chula Vista, California.
Dr. Stillson's NPI, 1902556202, was assigned on March 28, 2022. Dr. Stillson graduated from Indiana University School Of Medicine in 2022. Dr. Stillson's Texas license number on file is U6089.
- NPI
- 1902556202NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4688027030
- NPI enumeration date
- March 28, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (619) 422-8338
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Stillson practices at Southern California Health Providers Medical Grp Inc in Chula Vista, California
Dr. Stillson's primary practice is Southern California Health Providers Medical Grp Inc, at 340 4th Ave, Chula Vista, CA 91910 in San Diego County. The practice phone is (619) 422-8338.
- Southern California Health Providers Medical Grp Inc340 4th Ave, Chula Vista, CA 91910 · San Diego CountyPhone(619) 422-8338
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Stillson is affiliated with 8 sites of care and 8 medical groups
Dr. Stillson's primary practice is Southern California Health Providers Medical Grp Inc in Chula Vista, California. Dr. Stillson is also affiliated with Scripps Mercy Hospital San Diego. The medical group on file is On-Call Specialists. Dmand AI also links Dr. Stillson to 3 more hospitals, 7 medical groups and 3 group practices and clinics, 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 Stillson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stillson practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southern California Health Providers Medical Grp Inc | Available with a free account |
| +7 more sites and 7 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Stillson is one of 15,680 family medicine physicians in California
Family medicine is Dr. Stillson's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Dr. Stillson's licenses on file in 2 states: Texas and California.
Specialties and state licenses
- Family medicine, TexasPrimary
- California license
Family medicine physicians near Dr. Stillson
Counts of family medicine physicians 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 Stillson treated 11 Medicare patients in 2024, average age 78
CMS counts 11 Medicare patients who saw Dr. Stillson in 2024. Their average risk score is 1.55, 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. Stillson's median patient age at 70, with 60% women.
Dr. Stillson'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
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Stillson wrote 343 Medicare Part D claims in 2024
In 2024, Dr. Stillson wrote 343 Medicare Part D claims for 67 patients. 83% of them were for generic drugs. CMS names the drug for 78 of them, across 5 drugs with 11 or more claims each, at $1,012 in total drug cost. In 2023, CMS named 27 claims across 2 drugs.
Dr. Stillson's Part D claims by kind of drug, 2024
- Generic285 claims83%
- Brand-name and other58 claims17%
Dr. Stillson'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 Dr. Stillson's Part D claims, 2024
- Antibiotics3%12 of 343 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 272024: 78189%
Drugs named by CMS: 5 in 2024, 2 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
Dr. John Stillson ranks in the 59th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Stillson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Stillson as offering telehealth. CMS counts 37 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Stillson, more than 59% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Stillson ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 59th percentile37 procedures
- Colonoscopy
- 47th percentile19 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. John Stillson has 12 publications on record
Dmand AI links 12 papers to Dr. Stillson, published from 2020 to 2022. 2021 was the busiest year, with 8. The most frequent topics are Hemorrhage, Thrombelastography and Anticoagulants. Dr. Stillson has published most often in J Clin Med. Dr. Stillson's most frequent co-authors are Daniel H. Fulkerson, MD, Hau Kwaan, MD and Joseph Adam Dynako, MD.
Dr. Stillson's papers by year, 2020 to 2022
Topics Dr. Stillson writes about most
- Hemorrhage
- Thrombelastography
- Anticoagulants
- COVID-19
- Heparin
Dr. Stillson's most frequent co-authors
- Daniel H. Fulkerson, MD7 shared papers
- Hau Kwaan, MD6 shared papers
- Joseph Adam Dynako, MD2 shared papers
Recent publications by Dr. Stillson
See who Dr. Stillson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Stillson works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Stillson received $250 in industry payments from 2022 to 2025
CMS Open Payments shows 4 general payments to Dr. Stillson from 4 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $119.
General payments to Dr. Stillson by program year, 2022 to 2025
Companies that paid Dr. Stillson the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Stillson graduated from Indiana University School Of Medicine
Dr. Stillson graduated from Indiana University School Of Medicine in 2022.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. John Stillson accepts plans from 15 insurance carriers
Dr. Stillson is in network with 15 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Elevance
- HCSC
- Baylor Scott and White
- +7 more carriersWith a free account
Plan types Dr. Stillson accepts, by number of carriers
- PPO10
- HMO9
- POS4
- Medicare3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. John Stillson'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 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)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. John Stillson
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 Stillson's NPI number?
Dr. John Stillson's NPI number is 1902556202. It was assigned on March 28, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. John Stillson?
Dr. John Stillson is a family medicine physician in Chula Vista, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. John Stillson practice?
Dr. Stillson practices at 340 4th Ave, Chula Vista, CA 91910. Dr. Stillson's primary practice is Southern California Health Providers Medical Grp Inc in Chula Vista, California. Dmand AI also links Dr. Stillson to 3 hospitals, 7 medical groups and 3 group practices and clinics.
What is Dr. John Stillson's office phone number?
The practice phone on file for Dr. Stillson is (619) 422-8338.
What is Dr. John Stillson's medical license number?
Dr. Stillson's Texas license number on file is U6089, one of the licenses on file in 2 states.
Which states has Dr. John Stillson been licensed in?
Dmand AI has state licenses on file for Dr. Stillson in Texas (2023 to 2025) and California (2025 to 2027).
Which hospitals is Dr. John Stillson affiliated with?
Dr. Stillson is affiliated with Scripps Mercy Hospital San Diego. Dmand AI links Dr. Stillson to 3 more hospitals.
What medical group is Dr. John Stillson part of?
Dr. Stillson is linked to On-Call Specialists. Dmand AI links Dr. Stillson to 7 more medical groups.
Does Dr. John Stillson accept Medicare?
Yes. CMS lists Dr. Stillson as accepting Medicare assignment.
Does Dr. John Stillson offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Stillson as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. John Stillson see?
CMS counts 11 Medicare patients who saw Dr. Stillson in 2024, with an average age of 78.
Where did Dr. John Stillson go to medical school?
Dr. Stillson graduated from Indiana University School Of Medicine in 2022.
What drugs does Dr. John Stillson prescribe most?
In 2024 Medicare Part D data, Dr. Stillson's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Albuterol Sulfate Hfa.
Has Dr. John Stillson received payments from drug or device companies?
CMS Open Payments shows $250 in general payments to Dr. Stillson from 4 companies from 2022 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. John Stillson been practicing?
Dr. Stillson graduated from medical school in 2022, 4 years ago.
Does Dr. John Stillson do research?
Dmand AI links 12 publications to Dr. Stillson, published from 2020 to 2022.
Who does Dr. John Stillson publish with?
Dr. Stillson's most frequent co-authors are Daniel H. Fulkerson, MD (7 shared papers), Hau Kwaan, MD (6 shared papers) and Joseph Adam Dynako, MD (2 shared papers).
What insurance does Dr. John Stillson accept?
Dr. Stillson is in network with 15 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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