Doctor profile · Federal record

Dr. Richard Carpenter, D.O., PH.D.

Family Medicine Physician (CMS: Family Practice) · Student in an Organized Health Care Education/Training Program · Martinez, CA

  • NPI 1881127165
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1210 Alhambra Ave
Martinez, CA 945532300
(925) 680-8933

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
August 12, 2020
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #20A16849

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881127165. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
670
Distinct HCPCS
10
Medicare allowed
$82,135
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 338 117 $151
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 84 84 $153
99213 Established patient office or other outpatient visit, 20-29 minutes 82 60 $106
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 38 12 $1
96372 Injection of drug or substance under skin or into muscle 30 16 $17
99212 Established patient office or other outpatient visit, 10-19 minutes 26 22 $68
36415 Insertion of needle into vein for collection of blood sample 23 21 $8
99443 Telephone medical discussion with physician, 21-30 minutes 22 14 $150
99442 Telephone medical discussion with physician, 11-20 minutes 16 11 $108
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $194

In context: peer comparison

Among 10 peers in Martinez Family Medicine Physician, average services per provider: 99. This provider delivers 6.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,061
Transactions
51
Manufacturers
12
Payer (manufacturer) Industry Txns Amount
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 10 $233.09
Lundbeck LLC 8 $183.57
AstraZeneca Pharmaceuticals Lp 9 $181.01
Abbvie INC. 7 $142.61
GlaxoSmithKline, LLC. 5 $90.91
Otsuka America Pharmaceutical, INC. 3 $57.21
Lilly USA, LLC 3 $50.71
Amgen INC. 2 $46.37
Novo Nordisk INC 1 $21.69
Indivior INC. 1 $21.16
Pfizer INC. 1 $16.79
Boehringer Ingelheim Pharmaceuticals, INC. 1 $15.55

By nature of payment

Food and Beverage
$1,056
Education
$5

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,358
Patients
728
Total drug cost
$125,043
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 375 137 $6,362
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 254 66 $5,916
Gabapentin Generic 245 66 $4,912
Amlodipine Besylate Generic 221 64 $1,914
Levothyroxine Sodium Generic 161 41 $2,253
Trazodone Hcl Generic 153 40 $2,168
Hydrochlorothiazide Generic 134 36 $921
Lisinopril Generic 129 39 $1,388
Losartan Potassium Generic 122 36 $1,483
Sertraline Hcl Generic 109 47 $1,156

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Richard Carpenter's medical specialty?
Dr. Richard Carpenter practices Family Medicine Physician in Martinez, CA.
Where does Dr. Richard Carpenter practice?
Dr. Richard Carpenter practices at 1210 Alhambra Ave, Martinez, CA 945532300. Office phone: 9256808933.
What is Dr. Richard Carpenter's NPI?
Dr. Richard Carpenter's National Provider Identifier (NPI) is 1881127165, issued by NPPES.
Does Dr. Richard Carpenter accept Medicare assignment?
Yes. Dr. Richard Carpenter accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Richard Carpenter commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.