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Dr. Mark J. Freeman, MD
NPI1801898929
- Medicare services, 2016
- 92
- Part D claims, 2024
- 21
- Publications
- 1
- Hospital affiliations
- 1
- Industry payments
- $331
- Practice address
- 1100 Magellan, Tehachapi, CA 93561
- Practice phone
- Call (661) 868-6800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Freeman'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. Mark J. Freeman is a family medicine physician in Tehachapi, California
Dr. Freeman practices at Adventist Health Tehachapi Valley in Tehachapi, California, part of Adventist Health.
Dr. Freeman's NPI, 1801898929, was assigned on June 1, 2005. Dr. Freeman graduated from University of California, Geffen School of Medicine in 1981. Dr. Freeman holds California license G47688.
NPI and contact details
- NPI
- 1801898929NPI Registry (opens in a new tab)
- NPI enumeration date
- June 1, 2005
- NPI status
- Active
- Practice phone
- (661) 868-6800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Mark J. Freeman practices at Adventist Health Tehachapi Valley in Tehachapi, California
Dr. Freeman's primary practice is Adventist Health Tehachapi Valley, at 1100 Magellan, Tehachapi, CA 93561 in Kern County. The practice phone is (661) 868-6800.
- Adventist Health Tehachapi Valley1100 Magellan, Tehachapi, CA 93561 · Kern CountyPhone(661) 868-6800
Source: Dmand AI Affiliation Data
Dr. Mark J. Freeman is affiliated with 3 sites of care and 1 medical group
Dr. Freeman's primary practice is Adventist Health Tehachapi Valley in Tehachapi, California, part of Adventist Health. The medical group on file is Adventist Health Physicians Network. Dmand AI also links Dr. Freeman to 1 more physician office and 1 group practice or clinic, each named with a free account.
Adventist Health Physicians Network1 physician officeName with a free account1 group practice or clinicName with a free account
See all 4 affiliations for Dr. FreemanSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark J. Freeman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Freeman practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health Tehachapi Valley | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark J. Freeman is one of 15,680 family medicine physicians in California
Family medicine is Dr. Freeman's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Freeman is board certified in family medicine by the American Board of Family Medicine. Dr. Freeman is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists acute skin infection, ankle or foot injury, lower back pain, minor head injury, pneumonia, skin cyst, upper respiratory infection (URI) and UTI among the conditions Dr. Freeman treats.
Family medicine physicians near Dr. Freeman
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
15,680family medicine physicians in California12family medicine physicians in Tehachapi6family medicine physicians at Adventist Health Tehachapi Valley
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mark J. Freeman billed Medicare for 92 services in 2016
CMS data shows 92 Medicare services from Dr. Freeman across 4 procedure codes in 2016. Medicare paid $8,820 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 201692
Paid by Medicare$8,820
Procedure codes4
Dr. Freeman compared with the California median for family medicine physicians, 2016
- Dr. Freeman
- California median
- Medicare services
- 92vs 24663% below
- Part D claims
- 428vs 83349% below
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Freeman's most billed Medicare procedure codes, 2016
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. Freeman?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Freeman and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark J. Freeman's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Dr. Freeman's median patient age at 73, with 49% women.
Dr. Freeman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women49%
- Men51%
Source: Dmand AI Patient Panel Data
Dr. Mark J. Freeman wrote 21 Medicare Part D claims in 2024
In 2024, Dr. Freeman wrote 21 Medicare Part D claims. 100% of them were for generic drugs. They cover 20 drugs, with $27,313 in total drug cost. In 2022, CMS named 2,039 claims across 65 drugs.
Part D claims, 202421
Drugs named by CMS20
Total drug cost$27,313
Dr. Freeman's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 2,0392023: 42879%
Drugs named by CMS: 20 in 2023, 65 in 2022.
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. Mark J. Freeman has 1 publication on record
Dmand AI links 1 paper to Dr. Freeman in 2018.
Papers1
Recent publications by Dr. Freeman
See who Dr. Freeman researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Freeman 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. Mark J. Freeman received $331 in industry payments from 2016 to 2019
CMS Open Payments shows 21 general payments to Dr. Freeman from 5 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $155.
General payments to Dr. Freeman by program year, 2016 to 2019
Companies that paid Dr. Freeman the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark J. Freeman graduated from University of California, Geffen School of Medicine
Dr. Freeman graduated from University of California, Geffen School of Medicine in 1981.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Mark J. Freeman accepts plans from 10 insurance carriers
Dr. Freeman is in network with 10 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. HMO plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Aetna
- Alliant Health Plans
- Blue Cross and Blue Shield of Kansas City
- +2 more carriersWith a free account
Plan types Dr. Freeman accepts, by number of carriers
- HMO5
- Medicare5
- PPO5
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark J. Freeman'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 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) |
| 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. Mark J. Freeman
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. Mark J. Freeman's NPI number?
Dr. Mark J. Freeman's NPI number is 1801898929. It was assigned on June 1, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark J. Freeman?
Dr. Mark J. Freeman is a family medicine physician in Tehachapi, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Mark J. Freeman practice?
Dr. Freeman practices at 1100 Magellan, Tehachapi, CA 93561. Dr. Freeman's primary practice is Adventist Health Tehachapi Valley in Tehachapi, California, part of Adventist Health. Dmand AI also links Dr. Freeman to 1 physician office and 1 group practice or clinic.
What is Dr. Mark J. Freeman's office phone number?
The practice phone on file for Dr. Freeman is (661) 868-6800.
What is Dr. Mark J. Freeman's medical license number?
Dr. Freeman holds California license G47688.
Which hospitals is Dr. Mark J. Freeman affiliated with?
Dr. Freeman practices at Adventist Health Tehachapi Valley in Tehachapi, California.
What medical group is Dr. Mark J. Freeman part of?
Dr. Freeman is linked to Adventist Health Physicians Network.
Does Dr. Mark J. Freeman accept Medicare?
Yes. CMS data shows Dr. Freeman billed Medicare for 92 services in 2016.
Is Dr. Mark J. Freeman board certified?
Yes. Dr. Freeman is board certified in family medicine by the American Board of Family Medicine.
What services does Dr. Mark J. Freeman bill to Medicare?
In 2016, Dr. Freeman's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and hospital inpatient care (99232).
Show 6 more questionsShow fewer questions
Where did Dr. Mark J. Freeman go to medical school?
Dr. Freeman graduated from University of California, Geffen School of Medicine in 1981.
What drugs does Dr. Mark J. Freeman prescribe most?
In 2023 Medicare Part D data, Dr. Freeman's most prescribed drugs by claims were Lisinopril, Amlodipine Besylate and Omeprazole.
Has Dr. Mark J. Freeman received payments from drug or device companies?
CMS Open Payments shows $331 in general payments to Dr. Freeman from 5 companies from 2016 to 2019. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Mark J. Freeman been practicing?
Dr. Freeman graduated from medical school in 1981, 45 years ago.
Does Dr. Mark J. Freeman do research?
Dmand AI links 1 publication to Dr. Freeman.
What insurance does Dr. Mark J. Freeman accept?
Dr. Freeman is in network with 10 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. HMO plans come from the most carriers, 5. Check the plan with the practice before a visit.
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