Dr. Mark K. Weeber, MD

  • Oroville, CA
  • Internist
NPI1144324492PAC ID8123208352
Medicare services, 2024
6,208
Medicare patients, 2024
719
Part D claims, 2024
7,539
MIPS score, 2024
96
Hospital affiliations
4
Practice address
2767 Olive Highway, Oroville, CA 95966
Practice phone
Call (530) 533-8500
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Oroville Hospital

Hospital · Oroville, California

See all 9 affiliations

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Dr. Mark K. Weeber is an internist in Oroville, California

Dr. Weeber practices at Oroville Hospital in Oroville, California, part of Oro Hospital.

Dr. Weeber's NPI, 1144324492, was assigned on September 8, 2006. Dr. Weeber graduated from OHSU School of Medicine in 1987. Dr. Weeber holds California license G660610.

NPI and contact details
Medicare PAC ID
8123208352
NPI enumeration date
September 8, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(530) 533-8500
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
65
Medical school graduation
1987

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Mark K. Weeber practices at Oroville Hospital in Oroville, California

Dr. Weeber's primary practice is Oroville Hospital, at 2767 Olive Highway, Oroville, CA 95966 in Butte County. The practice phone is (530) 533-8500.

  • Oroville Hospital
    2767 Olive Highway, Oroville, CA 95966 · Butte CountyPhone(530) 533-8500

Source: Dmand AI Affiliation Data

Dr. Mark K. Weeber is affiliated with 8 sites of care and 1 medical group

Dr. Weeber's primary practice is Oroville Hospital in Oroville, California, part of Oro Hospital. Dr. Weeber is also affiliated with Enloe Health. The medical group on file is Mission Ranch Primary Care. Dmand AI also links Dr. Weeber to 2 more hospitals, 3 home health agencies and 1 group practice or clinic, each named with a free account.

See all 9 affiliations for Dr. Weeber

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Mark K. Weeber's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Weeber practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Oroville HospitalAvailable with a free account
+7 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Mark K. Weeber is one of 16,751 internists in California

Internal medicine is Dr. Weeber's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Weeber is board certified in internal medicine by the American Board of Internal Medicine. Dr. Weeber is licensed in California.

Specialties and state licenses

  • Internal medicine, CaliforniaPrimaryLicense G660610 · 1989 to 2026 · taxonomy 207R00000X

Clinical focus

Dmand AI lists acid reflux, acute mini-stroke (TIA), acute sinusitis, acute skin infection, adjustment disease, ankle or foot injury, anxiety and arthritis among the conditions Dr. Weeber treats.

Internists near Dr. Weeber

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. Mark K. Weeber billed Medicare for 6,208 services in 2024

CMS data shows 6,208 Medicare services from Dr. Weeber across 24 procedure codes in 2024, for 719 Medicare patients. Medicare paid $279,043 for them. Every service was in an office.

Medicare services, 20246,208
Medicare patients719
Paid by Medicare$279,043
Procedure codes24

Dr. Weeber's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Drugs given in the office
2023: 3,1372024: 3,0742%
Office and hospital visits
2023: 1,2852024: 1,47315%
Other services
2023: 6572024: 1,27494%
Tests and treatments
2023: 3622024: 3494%
Lab and pathology
2023: 252024: 238%
Surgery
2023: 162024: 156%

Dr. Weeber compared with the California median for internists, 2024

  • Dr. Weeber
  • California median
Medicare services
6,208vs 36117.2 times
Medicare patients
719vs 1514.8 times
Part D claims
6,884vs 42116.4 times

Medians across 15,815 internists in California with Dmand AI profiles that report each measure.

Dr. Weeber'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.

See all procedures by Dr. Weeber

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Mark K. Weeber treated 719 Medicare patients in 2024, average age 76

CMS counts 719 Medicare patients who saw Dr. Weeber in 2024. The largest group is 65 to 74, with 335 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 2% are also on Medicaid. Their average risk score is 0.83, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Weeber's median patient age at 74, with 50% women.

Medicare patients, 2024719
Average age76
Average risk score0.83
Also on Medicaid2%

Dr. Weeber's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Weeber's Medicare patients by sex, 2024

  • Women34748%
  • Men37252%

Chronic conditions among Dr. Weeber's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure69%
  3. Arthritis27%
  4. Diabetes20%
  5. Ischemic heart disease17%
  6. Atrial fibrillation15%
  7. Anxiety14%
  8. Cancer13%

Share of Medicare patients with each condition. A patient can have several.

Dr. Weeber's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women50%
  • Men49%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Mark K. Weeber wrote 7,539 Medicare Part D claims in 2024

In 2024, Dr. Weeber wrote 7,539 Medicare Part D claims for 613 patients. 84% of them were for generic drugs. CMS names the drug for 6,884 of them, across 129 drugs with 11 or more claims each, at $771,211 in total drug cost. In 2023, CMS named 6,277 claims across 115 drugs.

Part D claims, 20247,539
Drugs named by CMS129
Total drug cost$771,211
Part D patients613

Dr. Weeber's Part D claims by kind of drug, 2024

  • Generic6,360 claims84%
  • Brand-name1,111 claims15%
  • Other68 claims1%

Dr. Weeber'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. Weeber's Part D claims, 2024

  • Opioids4%304 of 7,539 claims
  • Antibiotics3%250 of 7,539 claims
  • Antipsychotics, patients 65 and over0%14 of 7,539 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: 6,2772024: 6,88410%

Drugs named by CMS: 129 in 2024, 115 in 2023.

See all prescribing by Dr. Weeber

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 K. Weeber scored 96 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Weeber for performance year 2024, reported as part of a group. Dr. Weeber accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Weeber as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Weeber's MIPS scores, performance year 2024

  • 96of 100Final score
  • 91.4of 100Quality
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Mark K. Weeber received $13,640 in industry payments from 2016 to 2025

CMS Open Payments shows 677 general payments to Dr. Weeber from 46 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 89% of the total. Abbvie Inc. paid the most, $3,174.

General payments to Dr. Weeber by program year, 2016 to 2025

General payments to Dr. Weeber by kind, 2016 to 2025

$13.6Kin total
  • Food and beverage$12,20089%
  • Speaker and faculty fees$1,35010%
  • Education$901%

Companies that paid Dr. Weeber the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Weeber

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Mark K. Weeber has 1 award and honors on record

Dmand AI lists 1 award for Dr. Weeber, most recently CMS Stage 1 2012 in 2011.

Awards and honors for Dr. Weeber

  1. 2011
    • CMS Stage 1 2012

Source: Dmand AI Professional Profile Data

Dr. Mark K. Weeber graduated from OHSU School of Medicine

Dr. Weeber graduated from OHSU School of Medicine in 1987.

  1. Medical schoolOHSU School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Mark K. Weeber accepts plans from 15 insurance carriers

Dr. Weeber is in network with 15 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Aetna. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Aetna
  • Elevance
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Humana
  • Regence Health Plans
  • +7 more carriersWith a free account

Plan types Dr. Weeber accepts, by number of carriers

  1. PPO10
  2. Medicare7
  3. HMO6
  4. POS4
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Mark K. Weeber's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Mark K. Weeber

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 K. Weeber's NPI number?

Dr. Mark K. Weeber's NPI number is 1144324492. It was assigned on September 8, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Mark K. Weeber?

Dr. Mark K. Weeber is an internist in Oroville, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Mark K. Weeber practice?

Dr. Weeber practices at 2767 Olive Highway, Oroville, CA 95966. Dr. Weeber's primary practice is Oroville Hospital in Oroville, California, part of Oro Hospital. Dmand AI also links Dr. Weeber to 2 hospitals, 3 home health agencies and 1 group practice or clinic.

What is Dr. Mark K. Weeber's office phone number?

The practice phone on file for Dr. Weeber is (530) 533-8500.

What is Dr. Mark K. Weeber's medical license number?

Dr. Weeber holds California license G660610.

Which hospitals is Dr. Mark K. Weeber affiliated with?

Dr. Weeber practices at Oroville Hospital in Oroville, California. Dr. Weeber is also affiliated with Enloe Health. Dmand AI links Dr. Weeber to 2 more hospitals.

What medical group is Dr. Mark K. Weeber part of?

Dr. Weeber is linked to Mission Ranch Primary Care.

Does Dr. Mark K. Weeber accept Medicare?

Yes. CMS data shows Dr. Weeber billed Medicare for 6,208 services in 2024, and Dr. Weeber accepts Medicare assignment.

Does Dr. Mark K. Weeber offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Weeber as offering telehealth services.

What is Dr. Mark K. Weeber's MIPS score?

Dr. Weeber's MIPS final score for performance year 2024 is 96 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Mark K. Weeber see?

CMS counts 719 Medicare patients who saw Dr. Weeber in 2024, with an average age of 76.

Is Dr. Mark K. Weeber board certified?

Yes. Dr. Weeber is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Mark K. Weeber bill to Medicare?

In 2024, Dr. Weeber's most billed Medicare services were injected or infused drug (J0897), office visit, established patient (99214) and medicare service (G2211).

Where did Dr. Mark K. Weeber go to medical school?

Dr. Weeber graduated from OHSU School of Medicine in 1987.

What drugs does Dr. Mark K. Weeber prescribe most?

In 2024 Medicare Part D data, Dr. Weeber's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Levothyroxine Sodium.

Has Dr. Mark K. Weeber received payments from drug or device companies?

CMS Open Payments shows $13,640 in general payments to Dr. Weeber from 46 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Mark K. Weeber been practicing?

Dr. Weeber graduated from medical school in 1987, 39 years ago.

What insurance does Dr. Mark K. Weeber accept?

Dr. Weeber is in network with 15 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Aetna. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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