Doctor profile · Federal record

Dr. Maria Nguyen, M.D.

Infectious Disease Physician (CMS: Infectious Disease) · Infectious Disease Physician · Infectious Disease Physician · Infectious Disease Physician · Cypress, TX

  • NPI 1841209194
  • Accepts Medicare
  • 32 yrs in practice
  • Licensed in 4 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
12609 Louetta RD
Cypress, TX 774295136
(832) 912-8400
Additional location
130 2Nd St
Neenah, WI 549562883
(920) 831-1841
Additional location
1818 N Meade St
Appleton, WI 549113454
(920) 831-1841
Mailing address
Po Box 900
Cypress, TX 774100900

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
May 13, 2024
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State licenses (4)
Pennsylvania #MD476803 · Texas #J8694 · Kentucky #TP023 · Wisconsin #2121
Medicaid
TX #116526804

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841209194. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
532
Distinct HCPCS
7
Medicare allowed
$45,384
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 171 106 $47
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 143 89 $75
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 106 105 $125
G0426 Telehealth consultation, emergency department or initial inpatient, typically 50 minutes communicating with the patient via telehealth 35 33 $126
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 30 30 $163
G0407 Follow-up inpatient consultation, intermediate, physicians typically spend 25 minutes communicating with the patient via telehealth 25 21 $70
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 22 17 $109

In context: peer comparison

Among 2 peers in Cypress Infectious Disease Physician, average services per provider: 165. This provider delivers 3.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$127
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Bayer Healthcare Pharmaceuticals INC. 1 $127.48

By nature of payment

Food and Beverage
$127

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Maria Nguyen's medical specialty?
Dr. Maria Nguyen practices Infectious Disease Physician in Cypress, TX.
Where does Dr. Maria Nguyen practice?
Dr. Maria Nguyen practices at 12609 Louetta RD, Cypress, TX 774295136. Office phone: 8329128400.
What is Dr. Maria Nguyen's NPI?
Dr. Maria Nguyen's National Provider Identifier (NPI) is 1841209194, issued by NPPES.
Does Dr. Maria Nguyen accept Medicare assignment?
Yes. Dr. Maria Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Nguyen 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); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.