Doctor profile · Federal record

Dr. Andrew Weymer, M.D.

Pulmonary Disease Physician (CMS: Pulmonary Disease) · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · Oxnard, CA

  • NPI 1689675514
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 38 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
1910 Outlet Center Dr
Oxnard, CA 930360677
(805) 485-2400
fax (805) 485-3025
Additional location
1600 N Rose Ave
Oxnard, CA 930303722
(805) 988-2500
Additional location
2309 Antonio Ave
Camarillo, CA 930101414
(805) 389-5800
Show 1 more location
Additional location
4000 Calle Tecate Ste 105
Camarillo, CA 930125283
Mailing address
4000 Calle Tecate Ste 115
Camarillo, CA 930125285

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
December 5, 2022
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207RP1001X — NUCC code
State license (1)
California #G67821

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689675514. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,588
Distinct HCPCS
10
Medicare allowed
$297,943
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,030 436 $139
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 354 133 $122
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 205 19 $114
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 201 62 $84
94729 Test to examine how well the lungs exchange gases 176 173 $66
94060 Test to measure expiratory airflow and volume changes before and after medication administration 175 172 $44
94726 Test to determine lung volumes using sensors 175 172 $62
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 93 90 $183
99204 New patient office or other outpatient visit, 45-59 minutes 90 90 $175
99213 Established patient office or other outpatient visit, 20-29 minutes 57 51 $99

In context: peer comparison

Among 3 peers in Oxnard Pulmonary Disease Physician, average services per provider: 157. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,076
Transactions
33
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 10 $266.88
GlaxoSmithKline, LLC. 6 $240.12
United Therapeutics Corporation 1 $106.11
Genzyme Corporation 1 $81.50
Inogen, INC. 2 $69.18
Regeneron Healthcare Solutions, INC. 2 $60.06
Inspire Medical Systems, INC. 2 $55.61
Harmony Biosciences LLC 1 $42.92
Actelion Pharmaceuticals US, INC. 2 $40.00
Insmed, INC. 1 $23.27
Abbvie INC. 1 $22.18
Mylan Specialty L.P. 1 $19.41
Amgen INC. 1 $19.18
Philips North America LLC 1 $14.71
Phadia US INC. 1 $14.51

By nature of payment

Food and Beverage
$1,076

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,116
Patients
403
Total drug cost
$476,597
Drug Type Claims Patients Total cost
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 204 101 $7,497
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 178 47 $193,621
Anoro Ellipta (Umeclidinium Brm/Vilanterol Tr) Brand 128 30 $76,439
Breo Ellipta (Fluticasone/Vilanterol) Brand 105 27 $66,170
Advair Diskus (Fluticasone Propion/Salmeterol) Brand 69 21 $39,760
Famotidine Generic 57 17 $522
Prednisone Generic 52 26 $424
Spiriva Respimat (Tiotropium Bromide) Brand 48 11 $37,664
Montelukast Sodium Generic 47 14 $892
Azithromycin Generic 42 35 $235

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Weymer's medical specialty?
Dr. Andrew Weymer practices Pulmonary Disease Physician in Oxnard, CA.
Where does Dr. Andrew Weymer practice?
Dr. Andrew Weymer practices at 1910 Outlet Center Dr, Oxnard, CA 930360677. Office phone: 8054852400.
What is Dr. Andrew Weymer's NPI?
Dr. Andrew Weymer's National Provider Identifier (NPI) is 1689675514, issued by NPPES.
Does Dr. Andrew Weymer accept Medicare assignment?
Yes. Dr. Andrew Weymer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Weymer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309). Source: CMS Medicare Physician & Other Practitioners file.