Doctor profile · Federal record

Dr. Shannon Westin, MD

Obstetrics & Gynecology Physician (CMS: Gynecological Oncology) · Houston, TX

  • NPI 1740454008
  • Accepts Medicare
  • MIPS 79.4 / 100 · 2023
  • 24 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1515 Holcombe Blvd
Houston, TX 77030
(713) 792-6161
Mailing address
Po Box 4439
Houston, TX 772104439

Credentials & registration

NPPES · NUCC
NPI registered
April 2008 — 18 yrs on file
Profile last updated
August 30, 2018
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Texas #M9092
Medicaid
TX #193224601

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1740454008. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
271
Distinct HCPCS
3
Medicare allowed
$38,823
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 217 86 $143
99205 New patient office or other outpatient visit, 60-74 minutes 29 29 $184
99214 Established patient office or other outpatient visit, 30-39 minutes 25 19 $96

In context: peer comparison

Among 69 peers in Houston Obstetrics & Gynecology Physician, average services per provider: 50. This provider delivers 5.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$38,010
Transactions
29
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 10 $19,184.74
GlaxoSmithKline, LLC. 5 $5,773.05
AstraZeneca Pharmaceuticals Lp 2 $4,795.00
AstraZeneca Uk Limited 3 $2,627.27
Eisai INC. 2 $2,509.00
Abbvie INC. 4 $2,490.43
Corcept Therapeutics 1 $487.50
Aadi Bioscience, INC. 1 $99.98
Incyte Corporation 1 $43.00

By nature of payment

Consulting Fee
$17,488
Travel and Lodging
$10,514
Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$9,129
Food and Beverage
$880

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
76
Patients
27
Total drug cost
$264,071
Drug Type Claims Patients Total cost
Lynparza (Olaparib) Brand 23 0 $263,473
Ondansetron Hcl Generic 22 15 $180
Letrozole Generic 17 0 $170
Prochlorperazine Maleate Generic 14 12 $247

Frequently asked questions

Auto-generated from federal data
What is Dr. Shannon Westin's medical specialty?
Dr. Shannon Westin practices Obstetrics & Gynecology Physician in Houston, TX.
Where does Dr. Shannon Westin practice?
Dr. Shannon Westin practices at 1515 Holcombe Blvd, Houston, TX 77030. Office phone: 7137926161.
What is Dr. Shannon Westin's NPI?
Dr. Shannon Westin's National Provider Identifier (NPI) is 1740454008, issued by NPPES.
Does Dr. Shannon Westin accept Medicare assignment?
Yes. Dr. Shannon Westin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shannon Westin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.