Doctor profile · Federal record

Dr. William Parsons, M.D.

Dermatology Physician (CMS: Dermatology) · San Antonio, TX

  • NPI 1811905417
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 51 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7832 Pat Booker RD.
San Antonio, TX 782332601
(210) 657-9338
fax (210) 293-1843

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
February 7, 2014
Year of graduation
1975 — 51 yrs since
Specialty taxonomy
207N00000X — NUCC code
State license (1)
Texas #F2387

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811905417. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
4,047
Distinct HCPCS
10
Medicare allowed
$248,703
HCPCS Description Services Patients Avg allowed
17003 Destruction of precancer skin growth, 2-14 growths 1,503 161 $6
99213 Established patient office or other outpatient visit, 20-29 minutes 869 332 $86
17004 Destruction of precancer skin growth, 15 or more growths 589 264 $162
11102 Biopsy of related skin growth, first growth 375 225 $97
17000 Destruction of precancer skin growth, 1 growth 290 192 $54
11103 Biopsy of related skin growth, each additional growth 240 112 $48
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 114 19 $1
69100 Biopsy of ear 29 27 $66
96372 Injection of drug or substance under skin or into muscle 14 12 $14
17110 Destruction of skin growth, 1-14 growths 13 12 $109

In context: peer comparison

Among 26 peers in San Antonio Dermatology Physician, average services per provider: 409. This provider delivers 9.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$5,310
Transactions
19
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 11 $5,145.99
Leo Pharma INC. 2 $42.31
Revance Therapeutics, INC. 2 $41.03
Ucb, INC. 1 $24.73
Biofrontera INC. 1 $23.91
Dermavant Sciences, INC. 1 $16.89
Regeneron Healthcare Solutions, INC. 1 $15.02

By nature of payment

Compensation for Services Other Than Consulting, Including Serving As Faculty or As A Speaker at A Venue Other Than A Continuing Education Program
$5,000
Food and Beverage
$310

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
229
Patients
60
Total drug cost
$9,072
Drug Type Claims Patients Total cost
Doxycycline Hyclate Generic 54 13 $2,591
Triamcinolone Acetonide Generic 51 32 $321
Hydrocortisone Generic 28 15 $189
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 18 0 $333
Acyclovir Generic 14 0 $71
Clobetasol Propionate Generic 14 0 $1,613
Ketoconazole Generic 13 0 $206
Metronidazole Generic 13 0 $1,811
Desonide Generic 12 0 $1,374
Econazole Nitrate Generic 12 0 $561

Frequently asked questions

Auto-generated from federal data
What is Dr. William Parsons's medical specialty?
Dr. William Parsons practices Dermatology Physician in San Antonio, TX.
Where does Dr. William Parsons practice?
Dr. William Parsons practices at 7832 Pat Booker RD., San Antonio, TX 782332601. Office phone: 2106579338.
What is Dr. William Parsons's NPI?
Dr. William Parsons's National Provider Identifier (NPI) is 1811905417, issued by NPPES.
Does Dr. William Parsons accept Medicare assignment?
Yes. Dr. William Parsons accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Parsons commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Established patient office or other outpatient visit (HCPCS 99213); Destruction of precancer skin growth, 15 or more growths (HCPCS 17004). Source: CMS Medicare Physician & Other Practitioners file.