Doctor profile · Federal record

Dr. Justin Massengale, M.D.

Neurological Surgery Physician (CMS: Neurosurgery) · Fresno, CA

  • NPI 1003096736
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7300 N Fresno St
Fresno, CA 937202941
(559) 448-4000

Credentials & registration

NPPES · NUCC
NPI registered
November 2007 — 19 yrs on file
Profile last updated
March 5, 2025
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207T00000X — NUCC code
State license (1)
Massachusetts #238944
Medicaid
MA #110082708A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003096736. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
656
Distinct HCPCS
10
Medicare allowed
$91,321
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 88 56 $89
99214 Established patient office or other outpatient visit, 30-39 minutes 77 60 $125
99212 Established patient office or other outpatient visit, 10-19 minutes 50 34 $47
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 48 36 $80
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 46 46 $84
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 44 33 $49
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 40 39 $175
99215 Established patient office or other outpatient visit, 40-54 minutes 39 30 $179
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 38 29 $120
99204 New patient office or other outpatient visit, 45-59 minutes 37 37 $165

In context: peer comparison

Among 5 peers in Fresno Neurological Surgery Physician, average services per provider: 35. This provider delivers 19× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$347
Transactions
4
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Si-Bone, INC. 1 $146.94
Boston Scientific Corporation 2 $144.60
OssDsign Incorporated 1 $55.55

By nature of payment

Food and Beverage
$347

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
174
Patients
33
Total drug cost
$3,153
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 72 12 $1,354
Gabapentin Generic 65 21 $1,011
Methocarbamol Generic 13 0 $94
Tizanidine Hcl Generic 13 0 $156
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 11 0 $539

Frequently asked questions

Auto-generated from federal data
What is Dr. Justin Massengale's medical specialty?
Dr. Justin Massengale practices Neurological Surgery Physician in Fresno, CA.
Where does Dr. Justin Massengale practice?
Dr. Justin Massengale practices at 7300 N Fresno St, Fresno, CA 937202941. Office phone: 5594484000.
What is Dr. Justin Massengale's NPI?
Dr. Justin Massengale's National Provider Identifier (NPI) is 1003096736, issued by NPPES.
Does Dr. Justin Massengale accept Medicare assignment?
Yes. Dr. Justin Massengale accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Justin Massengale commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.