Dr. Jeffery Raymond Tun, MD
- Medicare services, 2024
- 328
- Medicare patients, 2024
- 33
- Part D claims, 2024
- 788
- Hospital affiliations
- 1
- Industry payments
- $2,912
- Practice address
- 105 East Sydnor Street, Suites 100 And 204, Ridgecrest, CA 93555
- Practice phone
- Call (760) 446-6404
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern Sierra Medical Clinic
Rural Health Clinic - Hospital-Owned · Ridgecrest, California
Find Dr. Tun's professional email, personal email and mobile number
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Dr. Jeffery Raymond Tun is an internist in Ridgecrest, California
Dr. Tun practices at Southern Sierra Medical Clinic in Ridgecrest, California.
Dr. Tun's NPI, 1598119083, was assigned on April 20, 2016. Dr. Tun holds California license C198218.
- NPI
- 1598119083NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325478225
- NPI enumeration date
- April 20, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (760) 446-6404
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jeffery Raymond Tun practices at Southern Sierra Medical Clinic in Ridgecrest, California
Dr. Tun's primary practice is Southern Sierra Medical Clinic, at 105 East Sydnor Street, Suites 100 And 204, Ridgecrest, CA 93555. The practice phone is (760) 446-6404.
- Southern Sierra Medical Clinic105 East Sydnor Street, Suites 100 And 204, Ridgecrest, CA 93555Phone(760) 446-6404
Source: Dmand AI Affiliation Data
Dr. Jeffery Raymond Tun is affiliated with 3 sites of care and 2 medical groups
Dr. Tun's primary practice is Southern Sierra Medical Clinic in Ridgecrest, California. Dr. Tun is also affiliated with Ridgecrest Regional Hospital. The medical group on file is Ridgecrest Regional Hospital. Dmand AI also links Dr. Tun to 1 more home health agency and 1 medical group, each named with a free account. Dr. Tun's employer is on file too: a rural health clinic (rhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jeffery Raymond Tun's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tun practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southern Sierra Medical Clinic | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jeffery Raymond Tun is one of 16,751 internists in California
Internal medicine is Dr. Tun's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Tun's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- New York license
Internists near Dr. Tun
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. Jeffery Raymond Tun billed Medicare for 328 services in 2024
CMS data shows 328 Medicare services from Dr. Tun across 11 procedure codes in 2024, for 33 Medicare patients. Medicare paid $9,283 for them. Every service was in an office.
Dr. Tun's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2702024: 13450%
- Lab and pathology
- 2023: 2472024: 10557%
- Office and hospital visits
- 2023: 1432024: 5859%
- Surgery
- 2023: 782024: 3160%
- Other services
- 2023: 282024: 0100%
Dr. Tun compared with the California median for internists, 2024
- Dr. Tun
- California median
- Medicare services
- 328vs 3619% below
- Medicare patients
- 33vs 15178% below
- Part D claims
- 500vs 42119% above
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Tun'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jeffery Raymond Tun treated 33 Medicare patients in 2024, average age 68
CMS counts 33 Medicare patients who saw Dr. Tun in 2024. The largest group is 65 to 74, with 18 patients. 75% of them have high cholesterol, and 67% have high blood pressure. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tun's median patient age at 61, with 48% women.
Dr. Tun's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Tun's Medicare patients by sex, 2024
- Women1442%
- Men1958%
Chronic conditions among Dr. Tun's Medicare patients, 2024
- High cholesterol75%
- High blood pressure67%
- Arthritis39%
- Mood disorders33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tun'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
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jeffery Raymond Tun wrote 788 Medicare Part D claims in 2024
In 2024, Dr. Tun wrote 788 Medicare Part D claims for 121 patients. 79% of them were for generic drugs. CMS names the drug for 500 of them, across 16 drugs with 11 or more claims each, at $107,115 in total drug cost. In 2023, CMS named 400 claims across 16 drugs.
Dr. Tun's Part D claims by kind of drug, 2024
- Generic626 claims79%
- Brand-name and other162 claims21%
Dr. Tun'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. Tun's Part D claims, 2024
- Antibiotics4%29 of 788 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: 4002024: 50025%
Drugs named by CMS: 16 in 2024, 16 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. Jeffery Raymond Tun takes part in Medicare
Dr. Tun 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. Jeffery Raymond Tun received $2,912 in industry payments from 2020 to 2024
CMS Open Payments shows 116 general payments to Dr. Tun from 28 drug and device companies from 2020 to 2024. Food and beverage make up the largest share, 100% of the total. Daiichi Sankyo Inc. paid the most, $415.
General payments to Dr. Tun by program year, 2020 to 2024
Companies that paid Dr. Tun the most, 2020 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jeffery Raymond Tun'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) |
| 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 Dr. Jeffery Raymond Tun
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. Jeffery Raymond Tun's NPI number?
Dr. Jeffery Raymond Tun's NPI number is 1598119083. It was assigned on April 20, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Jeffery Raymond Tun?
Dr. Jeffery Raymond Tun is an internist in Ridgecrest, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jeffery Raymond Tun practice?
Dr. Tun practices at 105 East Sydnor Street, Suites 100 And 204, Ridgecrest, CA 93555. Dr. Tun's primary practice is Southern Sierra Medical Clinic in Ridgecrest, California. Dmand AI also links Dr. Tun to 1 home health agency and 1 medical group.
What is Dr. Jeffery Raymond Tun's office phone number?
The practice phone on file for Dr. Tun is (760) 446-6404.
What is Dr. Jeffery Raymond Tun's medical license number?
Dr. Tun holds California license C198218, one of the licenses on file in 2 states.
Which states has Dr. Jeffery Raymond Tun been licensed in?
Dmand AI has state licenses on file for Dr. Tun in California and New York.
Which hospitals is Dr. Jeffery Raymond Tun affiliated with?
Dr. Tun is affiliated with Ridgecrest Regional Hospital.
What medical group is Dr. Jeffery Raymond Tun part of?
Dr. Tun is linked to Ridgecrest Regional Hospital. Dmand AI links Dr. Tun to 1 more medical group.
Does Dr. Jeffery Raymond Tun accept Medicare?
Yes. CMS data shows Dr. Tun billed Medicare for 328 services in 2024, and Dr. Tun accepts Medicare assignment.
How many Medicare patients does Dr. Jeffery Raymond Tun see?
CMS counts 33 Medicare patients who saw Dr. Tun in 2024, with an average age of 68.
Show 4 more questionsShow fewer questions
What services does Dr. Jeffery Raymond Tun bill to Medicare?
In 2024, Dr. Tun's most billed Medicare services were lung function service (94762), health assessment (96127) and office visit, established patient (99214).
What drugs does Dr. Jeffery Raymond Tun prescribe most?
In 2024 Medicare Part D data, Dr. Tun's most prescribed drugs by claims were Rosuvastatin Calcium, Losartan Potassium and Metformin HCl.
Has Dr. Jeffery Raymond Tun received payments from drug or device companies?
CMS Open Payments shows $2,912 in general payments to Dr. Tun from 28 companies from 2020 to 2024. The largest total came from Daiichi Sankyo Inc.
How long has Dr. Jeffery Raymond Tun been practicing?
Dr. Tun graduated from medical school in 2016, 10 years ago.
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