Doctor profile · Federal record

Dr. Mary Tang, M.D.

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

  • NPI 1770532061
  • Accepts Medicare
  • 36 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2549 Springhill Dr
Grapevine, TX 760517157
(682) 223-1526
fax (817) 488-6932
Mailing address
1527 W State Highway 114, Suite 500-125
Grapevine, TX 760518646

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
September 5, 2013
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Texas #J9826
Medicaid
TX #133231401

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770532061. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
684
Distinct HCPCS
5
Medicare allowed
$38,495
HCPCS Description Services Patients Avg allowed
G0318 Prolonged home or residence evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by the physician or qualif 451 47 $31
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 81 47 $183
G0179 Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a 65 32 $41
G0181 Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow 55 24 $102
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 32 27 $51

In context: peer comparison

Among 15 peers in this city , average services per provider: 177. This provider delivers 3.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$200
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Neurocrine Biosciences, Inc. 2 $199.76

By nature of payment

Food and Beverage
$200

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
917
Patients
297
Total drug cost
$18,599
Drug Type Claims Patients Total cost
Trazodone Hcl Generic 178 50 $4,865
Venlafaxine Hcl Er (Venlafaxine Hcl) Brand 94 23 $1,529
Gabapentin Generic 88 25 $1,689
Sertraline Hcl Generic 58 21 $865
Atorvastatin Calcium Generic 56 22 $960
Metoprolol Succinate Generic 56 19 $1,359
Pantoprazole Sodium Generic 55 13 $876
Fluticasone Propionate Generic 49 23 $1,093
Levothyroxine Sodium Generic 49 17 $985
Ipratropium Bromide Generic 42 21 $1,675

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Tang's medical specialty?
Dr. Mary Tang practices Internal Medicine Physician in Grapevine, TX.
Where does Dr. Mary Tang practice?
Dr. Mary Tang practices at 2549 Springhill Dr, Grapevine, TX 760517157. Office phone: 6822231526.
What is Dr. Mary Tang's NPI?
Dr. Mary Tang's National Provider Identifier (NPI) is 1770532061, issued by NPPES.
Does Dr. Mary Tang accept Medicare assignment?
Yes. Dr. Mary Tang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Tang commonly perform?
Top Medicare-reported procedures in 2023: Prolonged home or residence evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by the physician or qualif (HCPCS G0318); Residence visit for established patient with high level of medical decision making (HCPCS 99350); Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a (HCPCS G0179). Source: CMS Medicare Physician & Other Practitioners file.