Doctor profile · Federal record

Dr. John Marshall, MD

Family Medicine Physician · General Practice Physician · Phoenix, AZ

  • NPI 1780761916
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3811 E Bell RD Ste 106
Phoenix, AZ 850322158
(602) 482-6100
fax (602) 992-6424
Mailing address
3811 E Bell RD, Ste 107
Phoenix, AZ 850322158

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
September 26, 2018
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Arizona #10961

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780761916. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,864
Distinct HCPCS
10
Medicare allowed
$130,617
HCPCS Description Services Patients Avg allowed
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 328 74 $31
99214 Established patient office or other outpatient visit, 30-39 minutes 300 101 $123
99215 Established patient office or other outpatient visit, 40-54 minutes 267 106 $173
99213 Established patient office or other outpatient visit, 20-29 minutes 226 70 $88
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 164 13 $1
36415 Insertion of needle into vein for collection of blood sample 138 88 $8
81002 Urinalysis, manual test 98 75 $3
96372 Injection of drug or substance under skin or into muscle 84 25 $14
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 68 66 $14
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 42 42 $125

In context: peer comparison

Among 141 peers in this city , average services per provider: 121. This provider delivers 15× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$40
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Tactile Systems Technology Inc 1 $40.18

By nature of payment

Food and Beverage
$40

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
900
Patients
170
Total drug cost
$21,344
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 120 17 $4,793
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 96 14 $4,679
Levothyroxine Sodium Generic 92 24 $1,430
Zolpidem Tartrate Generic 79 12 $895
Atorvastatin Calcium Generic 71 19 $663
Lorazepam Generic 63 16 $942
Lisinopril Generic 50 12 $394
Alprazolam Generic 49 0 $755
Amlodipine Besylate Generic 48 12 $674
Rosuvastatin Calcium Generic 48 16 $965

Frequently asked questions

Auto-generated from federal data
What is Dr. John Marshall's medical specialty?
Dr. John Marshall practices Family Medicine Physician in Phoenix, AZ.
Where does Dr. John Marshall practice?
Dr. John Marshall practices at 3811 E Bell RD Ste 106, Phoenix, AZ 850322158. Office phone: 6024826100.
What is Dr. John Marshall's NPI?
Dr. John Marshall's National Provider Identifier (NPI) is 1780761916, issued by NPPES.
What procedures does Dr. John Marshall commonly perform?
Top Medicare-reported procedures in 2023: Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (HCPCS G2212); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.