Doctor profile · Federal record

Dr. James Leoni, M.D.

Family Medicine Physician (CMS: Family Practice) · Petaluma, CA

  • NPI 1205936861
  • Accepts Medicare
  • MIPS 55.6 / 100 · 2023
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
104 Lynch Creek Way, Ste 10
Petaluma, CA 949542355
(707) 782-9123
fax (707) 782-9622
Mailing address
3536 Mendocino Ave, Ste 200
Santa Rosa, CA 954033634

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
February 8, 2012
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #G56154
Medicaid
CA #1205936861

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205936861. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,821
Distinct HCPCS
10
Medicare allowed
$335,248
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,295 462 $139
99213 Established patient office or other outpatient visit, 20-29 minutes 564 320 $98
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 169 45 $124
99441 Telephone medical discussion with physician, 5-10 minutes 140 104 $53
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 111 24 $113
99442 Telephone medical discussion with physician, 11-20 minutes 66 43 $90
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 53 53 $140
99239 Hospital discharge day management, more than 30 minutes 51 44 $121
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 47 43 $16
G0181 Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow 41 24 $112

In context: peer comparison

Among 2 peers in Petaluma Family Medicine Physician, average services per provider: 99. This provider delivers 28× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$34
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 1 $17.44
Novo Nordisk INC 1 $16.58

By nature of payment

Education
$17
Food and Beverage
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,743
Patients
823
Total drug cost
$157,372
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 463 145 $6,422
Levothyroxine Sodium Generic 311 80 $5,176
Lisinopril Generic 295 95 $2,927
Amlodipine Besylate Generic 293 88 $2,493
Losartan Potassium Generic 224 70 $3,999
Tamsulosin Hcl Generic 156 46 $2,983
Pantoprazole Sodium Generic 128 40 $2,318
Metoprolol Succinate Generic 122 41 $2,870
Metoprolol Tartrate Generic 119 31 $891
Furosemide Generic 118 38 $784

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Leoni's medical specialty?
Dr. James Leoni practices Family Medicine Physician in Petaluma, CA.
Where does Dr. James Leoni practice?
Dr. James Leoni practices at 104 Lynch Creek Way, Petaluma, CA 949542355. Office phone: 7077829123.
What is Dr. James Leoni's NPI?
Dr. James Leoni's National Provider Identifier (NPI) is 1205936861, issued by NPPES.
Does Dr. James Leoni accept Medicare assignment?
Yes. Dr. James Leoni accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Leoni commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.