Doctor profile · Federal record

Dr. Antoun Manganas, M.D.

Psychiatry Physician (CMS: Psychiatry) · Modesto, CA

  • NPI 1114938974
  • Accepts Medicare
  • 52 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3425 Coffee RD Ste A2
Modesto, CA 953551582
(209) 491-7584
fax (209) 491-7584
Additional location
1501 Claus RD
Modesto, CA 95355
(209) 524-9401
Mailing address
Po Box 255228
Sacramento, CA 958655228

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
January 12, 2026
Year of graduation
1974 — 52 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
California #A48860
Medicaid
MI #1841413

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114938974. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,813
Distinct HCPCS
7
Medicare allowed
$125,483
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 1,156 127 $49
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 321 69 $79
99239 Hospital discharge day management, more than 30 minutes 140 102 $115
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 79 68 $174
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 77 64 $130
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 27 21 $82
99238 Hospital discharge day management, 30 minutes or less 13 11 $81

In context: peer comparison

Among 10 peers in Modesto Psychiatry Physician, average services per provider: 164. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
89
Patients
39
Total drug cost
$2,127
Drug Type Claims Patients Total cost
Quetiapine Fumarate Generic 19 11 $860
Levothyroxine Sodium Generic 17 0 $202
Atorvastatin Calcium Generic 16 13 $208
Trazodone Hcl Generic 15 15 $192
Divalproex Sodium Generic 11 0 $254
Olanzapine Generic 11 0 $411

Frequently asked questions

Auto-generated from federal data
What is Dr. Antoun Manganas's medical specialty?
Dr. Antoun Manganas practices Psychiatry Physician in Modesto, CA.
Where does Dr. Antoun Manganas practice?
Dr. Antoun Manganas practices at 3425 Coffee RD Ste A2, Modesto, CA 953551582. Office phone: 2094917584.
What is Dr. Antoun Manganas's NPI?
Dr. Antoun Manganas's National Provider Identifier (NPI) is 1114938974, issued by NPPES.
Does Dr. Antoun Manganas accept Medicare assignment?
Yes. Dr. Antoun Manganas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Antoun Manganas commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.