Doctor profile · Federal record

Dr. Teresa Williams, MD

Allergy & Immunology Physician (CMS: Allergy/Immunology) · Winchester, VA

  • NPI 1306827399
  • Accepts Medicare
  • 28 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1828 Plaza Dr
Winchester, VA 226016365
(540) 662-9115
fax (540) 665-0411
Mailing address
Po Box 603725
Charlotte, NC 282603725

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
October 31, 2023
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207K00000X — NUCC code
State license (1)
Virginia #0101267695
Medicaid (2)
VA #1306827399 · WV #1306827399

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1306827399. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,477
Distinct HCPCS
10
Medicare allowed
$72,946
HCPCS Description Services Patients Avg allowed
95004 Test for allergy using allergenic extract 4,047 77 $4
95165 Professional service for preparation and provision of 1 or more antigens 360 21 $15
95117 Professional service for multiple injections of allergen 277 23 $12
95115 Professional service for single injection of allergen 209 12 $10
96160 Administration and interpretation of patient-focused health risk assessment 169 125 $3
99214 Established patient office or other outpatient visit, 30-39 minutes 164 108 $123
99204 New patient office or other outpatient visit, 45-59 minutes 105 105 $160
94375 Test to measure rate of airflow 66 64 $37
99203 New patient office or other outpatient visit, 30-44 minutes 36 36 $110
99213 Established patient office or other outpatient visit, 20-29 minutes 31 29 $88

In context: peer comparison

Among 2 peers in this city , average services per provider: 382. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$256
Transactions
12
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 6 $108.22
GlaxoSmithKline, LLC. 3 $63.96
Regeneron Healthcare Solutions, Inc. 1 $37.97
Genentech USA, Inc. 1 $28.76
PFIZER INC. 1 $16.92

By nature of payment

Food and Beverage
$256

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
394
Patients
122
Total drug cost
$79,284
Drug Type Claims Patients Total cost
Montelukast Sodium Generic 53 15 $771
Epinephrine Generic 49 37 $11,263
Fluticasone Propionate Generic 48 17 $794
Symbicort (Budesonide/Formoterol Fumarate) Brand 46 11 $22,422
Azelastine Hcl Generic 38 19 $1,596
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 36 23 $1,507
Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) Brand 25 0 $24,368
Arnuity Ellipta (Fluticasone Furoate) Brand 20 0 $5,565
Wixela Inhub (Fluticasone Propion/Salmeterol) Brand 19 0 $5,897
Famotidine Generic 17 0 $112

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Teresa Williams's medical specialty?
Dr. Teresa Williams practices Allergy & Immunology Physician in Winchester, VA.
Where does Dr. Teresa Williams practice?
Dr. Teresa Williams practices at 1828 Plaza Dr, Winchester, VA 226016365. Office phone: 5406629115.
What is Dr. Teresa Williams's NPI?
Dr. Teresa Williams's National Provider Identifier (NPI) is 1306827399, issued by NPPES.
Does Dr. Teresa Williams accept Medicare assignment?
Yes. Dr. Teresa Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Teresa Williams commonly perform?
Top Medicare-reported procedures in 2023: Test for allergy using allergenic extract (HCPCS 95004); Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); Professional service for multiple injections of allergen (HCPCS 95117). Source: CMS Medicare Physician & Other Practitioners file.