Doctor profile · Federal record

Dr. Hang Munsayac, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Houston, TX

  • NPI 1538314331
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 18 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1701 Sunset Blvd
Houston, TX 770051713
(713) 526-5511
fax (713) 520-4755
Mailing address
Po Box 4767
Houston, TX 772104767

Credentials & registration

NPPES · NUCC
NPI registered
November 2008 — 18 yrs on file
Profile last updated
February 9, 2016
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Texas #P0103

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538314331. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,648
Distinct HCPCS
10
Medicare allowed
$155,636
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 544 304 $92
99214 Established patient office or other outpatient visit, 30-39 minutes 340 269 $130
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 187 187 $132
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 104 98 $15
77089 Calculation of trabecular bone score (tbs) using imaging data with interpretation and report on fracture risk 87 87 $41
77080 Dxa bone density measurement of hip, pelvis, spine 83 83 $39
99441 Telephone medical discussion with physician, 5-10 minutes 80 64 $55
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 34 34 $258
G0009 Administration of pneumococcal vaccine 34 34 $31
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 34 34 $168

In context: peer comparison

Among 393 peers in this city , average services per provider: 127. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$309
Transactions
16
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 6 $135.89
Amgen Inc. 4 $59.55
AstraZeneca Pharmaceuticals LP 3 $50.71
Lilly USA, LLC 1 $23.39
ASCEND THERAPEUTICS US, LLC 1 $22.83
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $16.44

By nature of payment

Food and Beverage
$309

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,202
Patients
630
Total drug cost
$39,348
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 310 79 $4,471
Atorvastatin Calcium Generic 279 88 $3,989
Amlodipine Besylate Generic 273 84 $2,905
Pravastatin Sodium Generic 168 42 $3,208
Losartan Potassium Generic 150 42 $2,382
Rosuvastatin Calcium Generic 142 40 $2,952
Trazodone Hcl Generic 122 32 $1,290
Lisinopril Generic 118 33 $999
Metoprolol Succinate Generic 110 34 $2,516
Hydrochlorothiazide Generic 105 31 $563

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Hang Munsayac's medical specialty?
Dr. Hang Munsayac practices Internal Medicine Physician in Houston, TX.
Where does Dr. Hang Munsayac practice?
Dr. Hang Munsayac practices at 1701 Sunset Blvd, Houston, TX 770051713. Office phone: 7135265511.
What is Dr. Hang Munsayac's NPI?
Dr. Hang Munsayac's National Provider Identifier (NPI) is 1538314331, issued by NPPES.
Does Dr. Hang Munsayac accept Medicare assignment?
Yes. Dr. Hang Munsayac accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hang Munsayac 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); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.