Dr. Mark Jeffrey Davis, MD
- Medicare services, 2024
- 400
- Medicare patients, 2024
- 159
- Part D claims, 2024
- 650
- MIPS score, 2024
- 86
- Hospital affiliations
- 1
- Practice address
- 1800 Spring Ridge Drive, Susanville, CA 96130
- Practice phone
- Call (530) 252-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Davis' professional email, personal email and mobile number
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Dr. Mark Jeffrey Davis is a family medicine physician in Susanville, California
Dr. Davis practices at Banner Lassen Medical Center in Susanville, California, part of Banner Health.
Dr. Davis' NPI, 1740598804, was assigned on September 22, 2010. Dr. Davis graduated from University of Vermont College of Medicine in 1988. Dr. Davis holds Maryland license D40217.
- NPI
- 1740598804NPI Registry (opens in a new tab)
- NPI enumeration date
- September 22, 2010
- NPI status
- Active
- Practice phone
- (530) 252-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Mark Jeffrey Davis practices at Banner Lassen Medical Center in Susanville, California
Dr. Davis' primary practice is Banner Lassen Medical Center, at 1800 Spring Ridge Drive, Susanville, CA 96130 in Lassen County. The practice phone is (530) 252-2000.
- Banner Lassen Medical Center1800 Spring Ridge Drive, Susanville, CA 96130 · Lassen CountyPhone(530) 252-2000
Source: Dmand AI Affiliation Data
Dr. Mark Jeffrey Davis is affiliated with 1 site of care and 1 medical group
Dr. Davis' primary practice is Banner Lassen Medical Center in Susanville, California, part of Banner Health. The medical group on file is Calvert Manor Healthcare Ctr.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Jeffrey Davis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Davis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Banner Lassen Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Jeffrey Davis is one of 15,680 family medicine physicians in California
Family medicine is Dr. Davis' primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Dr. Davis' licenses on file in 2 states: Maryland and California.
Specialties and state licenses
- Family medicine, MarylandPrimary
- California license
Family medicine physicians near Dr. Davis
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. Mark Jeffrey Davis billed Medicare for 400 services in 2024
CMS data shows 400 Medicare services from Dr. Davis across 5 procedure codes in 2024, for 159 Medicare patients. Medicare paid $43,039 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Davis compared with the California median for family medicine physicians, 2024
- Dr. Davis
- California median
- Medicare services
- 400vs 24663% above
- Medicare patients
- 159vs 11835% above
- Part D claims
- 249vs 83370% below
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Davis' 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. Mark Jeffrey Davis treated 159 Medicare patients in 2024, average age 73
CMS counts 159 Medicare patients who saw Dr. Davis in 2024. The largest group is 65 to 74, with 55 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 65% are also on Medicaid. Their average risk score is 2.49, 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. Davis' median patient age at 53, with 11% women.
Dr. Davis' Medicare patients by age, 2024
Dr. Davis' Medicare patients by sex, 2024
- Women7346%
- Men8654%
Chronic conditions among Dr. Davis' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Mood disorders72%
- Depression65%
- Diabetes60%
- Chronic kidney disease59%
- Arthritis57%
- Alzheimer's and dementia53%
Share of Medicare patients with each condition. A patient can have several.
Dr. Davis' 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
- Women11%
- Men89%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Jeffrey Davis wrote 650 Medicare Part D claims in 2024
In 2024, Dr. Davis wrote 650 Medicare Part D claims for 89 patients. 83% of them were for generic drugs. CMS names the drug for 249 of them, across 15 drugs with 11 or more claims each, at $18,955 in total drug cost. In 2020, CMS named 30 claims across 2 drugs.
Dr. Davis' Part D claims by kind of drug, 2024
- Generic542 claims83%
- Brand-name108 claims17%
Dr. Davis' 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. Davis' Part D claims, 2024
- Opioids2%13 of 650 claims
- Antibiotics10%68 of 650 claims
- Antipsychotics, patients 65 and over4%23 of 650 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, 2020 to 2024
- 2020
- 2024
- Claims for drugs CMS names
- 2020: 302024: 249730%
Drugs named by CMS: 15 in 2024, 2 in 2020.
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. Mark Jeffrey Davis scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Davis for performance year 2024, reported as part of a group.
Dr. Davis' MIPS scores, performance year 2024
- 86of 100Final score
- 77.2of 100Quality
- 40of 100Improvement Activities
- 63of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Mark Jeffrey Davis received $244 in industry payments in 2024
CMS Open Payments shows 2 general payments to Dr. Davis from 2 drug and device companies in 2024. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $122.
Companies that paid Dr. Davis the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Jeffrey Davis graduated from University of Vermont College of Medicine
Dr. Davis graduated from University of Vermont College of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark Jeffrey Davis'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 | Clinician Public Reporting: Overall MIPS Performance (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. Mark Jeffrey Davis
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 Jeffrey Davis' NPI number?
Dr. Mark Jeffrey Davis' NPI number is 1740598804. It was assigned on September 22, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Jeffrey Davis?
Dr. Mark Jeffrey Davis is a family medicine physician in Susanville, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Mark Jeffrey Davis practice?
Dr. Davis practices at 1800 Spring Ridge Drive, Susanville, CA 96130. Dr. Davis' primary practice is Banner Lassen Medical Center in Susanville, California, part of Banner Health.
What is Dr. Mark Jeffrey Davis' office phone number?
The practice phone on file for Dr. Davis is (530) 252-2000.
What is Dr. Mark Jeffrey Davis' medical license number?
Dr. Davis holds Maryland license D40217, one of the licenses on file in 2 states.
Which states has Dr. Mark Jeffrey Davis been licensed in?
Dmand AI has state licenses on file for Dr. Davis in Maryland and California.
Which hospitals is Dr. Mark Jeffrey Davis affiliated with?
Dr. Davis practices at Banner Lassen Medical Center in Susanville, California.
What medical group is Dr. Mark Jeffrey Davis part of?
Dr. Davis is linked to Calvert Manor Healthcare Ctr.
Does Dr. Mark Jeffrey Davis accept Medicare?
Yes. CMS data shows Dr. Davis billed Medicare for 400 services in 2024.
What is Dr. Mark Jeffrey Davis' MIPS score?
Dr. Davis' MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Mark Jeffrey Davis see?
CMS counts 159 Medicare patients who saw Dr. Davis in 2024, with an average age of 73.
What services does Dr. Mark Jeffrey Davis bill to Medicare?
In 2024, Dr. Davis' most billed Medicare services were nursing facility care (99309), nursing facility care (99306) and nursing facility care (99310).
Where did Dr. Mark Jeffrey Davis go to medical school?
Dr. Davis graduated from University of Vermont College of Medicine in 1988.
What drugs does Dr. Mark Jeffrey Davis prescribe most?
In 2024 Medicare Part D data, Dr. Davis' most prescribed drugs by claims were Eliquis, Atorvastatin Calcium and Ertapenem.
Has Dr. Mark Jeffrey Davis received payments from drug or device companies?
CMS Open Payments shows $244 in general payments to Dr. Davis from 2 companies from 2024 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Mark Jeffrey Davis been practicing?
Dr. Davis graduated from medical school in 1988, 38 years ago.
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