Doctor profile · Federal record

Dr. Mark Weeber, MD

Internal Medicine Physician (CMS: Internal Medicine) · Chico, CA

  • NPI 1144324492
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 39 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
114 Mission Ranch Blvd, Ste 10
Chico, CA 959265137
(530) 894-0500
fax (530) 345-2532

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
January 17, 2018
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G660610

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144324492. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,482
Distinct HCPCS
10
Medicare allowed
$331,960
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 3,060 32 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 683 338 $133
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 423 423 $135
99213 Established patient office or other outpatient visit, 20-29 minutes 383 267 $93
99442 Telephone medical discussion with physician, 11-20 minutes 119 107 $94
G0008 Administration of influenza virus vaccine 107 105 $32
G0009 Administration of pneumococcal vaccine 106 106 $32
90662 Influenza vaccine split virus, preservative free 105 103 $72
96372 Injection of drug or substance under skin or into muscle 85 53 $15
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 77 16 $1

In context: peer comparison

Among 4 peers in Chico Internal Medicine Physician, average services per provider: 226. This provider delivers 24× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,747
Transactions
83
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 23 $485.84
Amgen INC. 16 $327.65
Pfizer INC. 9 $253.08
Daiichi Sankyo INC. 6 $118.67
Dexcom, INC. 3 $84.26
Novo Nordisk INC 4 $77.81
AstraZeneca Pharmaceuticals Lp 4 $62.33
Lilly USA, LLC 4 $62.20
Bayer Healthcare Pharmaceuticals INC. 3 $56.33
Boehringer Ingelheim Pharmaceuticals, INC. 3 $55.70
Abbott Laboratories 3 $54.99
GlaxoSmithKline, LLC. 2 $33.78
Optinose US, INC. 1 $23.48
Merck Sharp & Dohme LLC 1 $18.47
Exact Sciences Corporation 1 $18.19

By nature of payment

Food and Beverage
$1,747

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,093
Patients
849
Total drug cost
$108,118
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 467 134 $5,876
Losartan Potassium Generic 381 108 $4,126
Levothyroxine Sodium Generic 372 96 $5,164
Amlodipine Besylate Generic 358 99 $2,681
Metoprolol Succinate Generic 212 62 $4,019
Omeprazole Generic 202 60 $2,996
Lisinopril Generic 182 44 $1,421
Sertraline Hcl Generic 149 35 $1,380
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 137 37 $2,711
Tamsulosin Hcl Generic 126 38 $1,981

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Weeber's medical specialty?
Dr. Mark Weeber practices Internal Medicine Physician in Chico, CA.
Where does Dr. Mark Weeber practice?
Dr. Mark Weeber practices at 114 Mission Ranch Blvd, Chico, CA 959265137. Office phone: 5308940500.
What is Dr. Mark Weeber's NPI?
Dr. Mark Weeber's National Provider Identifier (NPI) is 1144324492, issued by NPPES.
Does Dr. Mark Weeber accept Medicare assignment?
Yes. Dr. Mark Weeber accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Weeber commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.