Doctor profile · Federal record

Dr. Manuel Guillen, M.D.

Psychiatry Physician (CMS: Psychiatry) · Psychiatry Physician · Student in an Organized Health Care Education/Training Program · Houston, TX

  • NPI 1871819219
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2222 Greenhouse RD Ste 200B
Houston, TX 770847288
(281) 993-3733
fax (915) 545-6442

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
May 4, 2019
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State licenses (2)
Texas #R8905 · New Mexico #MD2014-0005

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871819219. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
69
Distinct HCPCS
3
Medicare allowed
$6,562
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 31 27 $86
99214 Established patient office or other outpatient visit, 30-39 minutes 27 22 $122
99212 Established patient office or other outpatient visit, 10-19 minutes 11 11 $55

In context: peer comparison

Among 88 peers in Houston Psychiatry Physician, average services per provider: 167. This provider delivers 0.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$237
Transactions
12
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Otsuka America Pharmaceutical, INC. 4 $80.18
Janssen Pharmaceuticals, INC 2 $57.34
Abbvie INC. 3 $47.53
Takeda Pharmaceuticals U.S.A., INC. 2 $34.79
Lundbeck LLC 1 $16.99

By nature of payment

Food and Beverage
$237

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
508
Patients
95
Total drug cost
$9,350
Drug Type Claims Patients Total cost
Mirtazapine Generic 47 15 $752
Clonazepam Generic 46 16 $377
Olanzapine Generic 40 0 $586
Bupropion Xl (Bupropion Hcl) Brand 39 13 $672
Escitalopram Oxalate Generic 39 12 $483
Quetiapine Fumarate Generic 39 0 $885
Aripiprazole Generic 38 14 $2,733
Lamotrigine Generic 36 14 $458
Hydroxyzine Pamoate Generic 34 0 $241
Venlafaxine Hcl ER (Venlafaxine Hcl) Brand 30 0 $504

Frequently asked questions

Auto-generated from federal data
What is Dr. Manuel Guillen's medical specialty?
Dr. Manuel Guillen practices Psychiatry Physician in Houston, TX.
Where does Dr. Manuel Guillen practice?
Dr. Manuel Guillen practices at 2222 Greenhouse RD Ste 200B, Houston, TX 770847288. Office phone: 2819933733.
What is Dr. Manuel Guillen's NPI?
Dr. Manuel Guillen's National Provider Identifier (NPI) is 1871819219, issued by NPPES.
Does Dr. Manuel Guillen accept Medicare assignment?
Yes. Dr. Manuel Guillen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Manuel Guillen 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.