Dr. Sena Rae St John, DO
- Part D claims, 2024
- 6,608
- Hospital affiliations
- 1
- Industry payments
- $1,265
- Medical group
- 1
- State license
- 1
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. St John'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. Sena Rae St John is an internist in Fontana, California
Dr. St John practices at Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
Dr. St John's NPI, 1437443033, was assigned on June 1, 2011. Dr. St John graduated from Michigan State University College of Osteopathic Medicine in 2011. Dr. St John holds Michigan license 5101019485.
- NPI
- 1437443033NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921226036
- NPI enumeration date
- June 1, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sena Rae St John practices at Fontana Medical Center in Fontana, California
Dr. St John's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Source: Dmand AI Affiliation Data
Dr. Sena Rae St John is affiliated with 1 site of care and 1 medical group
Dr. St John's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Sena Rae St John's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. St John practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sena Rae St John is one of 16,751 internists in California
Internal medicine is Dr. St John's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. St John is licensed in Michigan.
Specialties and state licenses
- Internal medicine, MichiganPrimary
Internists near Dr. St John
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. Sena Rae St John's patients have a median age of 53
Across all payers, Dmand AI patient panel data puts Dr. St John's median patient age at 53, with 75% women.
Dr. St John's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women75%
- Men24%
Source: Dmand AI Patient Panel Data
Dr. Sena Rae St John wrote 6,608 Medicare Part D claims in 2024
In 2024, Dr. St John wrote 6,608 Medicare Part D claims for 939 patients. 88% of them were for generic drugs. CMS names the drug for 5,912 of them, across 114 drugs with 11 or more claims each, at $373,350 in total drug cost. In 2023, CMS named 6,019 claims across 119 drugs.
Dr. St John's Part D claims by kind of drug, 2024
- Generic5,791 claims88%
- Brand-name679 claims10%
- Other138 claims2%
Dr. St John'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. St John's Part D claims, 2024
- Opioids5%340 of 6,608 claims
- Antibiotics1%93 of 6,608 claims
- Antipsychotics, patients 65 and over0%17 of 6,608 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: 6,0192024: 5,9122%
Drugs named by CMS: 114 in 2024, 119 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
How Dr. Sena Rae St John takes part in Medicare
Dr. St John 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. Sena Rae St John received $1,265 in industry payments from 2016 to 2017
CMS Open Payments shows 93 general payments to Dr. St John from 20 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $405.
General payments to Dr. St John by program year, 2016 to 2017
General payments to Dr. St John by kind, 2016 to 2017
- Food and beverage$1,264100%
- Education$20%
Companies that paid Dr. St John the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sena Rae St John graduated from Michigan State University College of Osteopathic Medicine
Dr. St John graduated from Michigan State University College of Osteopathic Medicine in 2011.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Sena Rae St John'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 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) |
| 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. Sena Rae St John
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. Sena Rae St John's NPI number?
Dr. Sena Rae St John's NPI number is 1437443033. It was assigned on June 1, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Sena Rae St John?
Dr. Sena Rae St John is an internist in Fontana, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sena Rae St John practice?
Dr. St John practices at 9961 Sierra Ave, Fontana, CA 92335. Dr. St John's primary practice is Fontana Medical Center in Fontana, California, part of Kaiser Permanente.
What is Dr. Sena Rae St John's office phone number?
The practice phone on file for Dr. St John is (909) 427-5000.
What is Dr. Sena Rae St John's medical license number?
Dr. St John holds Michigan license 5101019485.
Which hospitals is Dr. Sena Rae St John affiliated with?
Dr. St John practices at Fontana Medical Center in Fontana, California.
What medical group is Dr. Sena Rae St John part of?
Dr. St John is linked to Southern California Permanente Medical Group.
Does Dr. Sena Rae St John accept Medicare?
Yes. CMS lists Dr. St John as accepting Medicare assignment.
Where did Dr. Sena Rae St John go to medical school?
Dr. St John graduated from Michigan State University College of Osteopathic Medicine in 2011.
What drugs does Dr. Sena Rae St John prescribe most?
In 2024 Medicare Part D data, Dr. St John's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Amlodipine Besylate.
Has Dr. Sena Rae St John received payments from drug or device companies?
CMS Open Payments shows $1,265 in general payments to Dr. St John from 20 companies from 2016 to 2017. The largest total came from Novo Nordisk Inc.
How long has Dr. Sena Rae St John been practicing?
Dr. St John graduated from medical school in 2011, 15 years ago.
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