Dr. Teresa D. Williams, MD
- Medicare services, 2024
- 5,500
- Medicare patients, 2024
- 256
- Part D claims, 2024
- 474
- Hospital affiliations
- 1
- Industry payments
- $2,208
- Practice address
- 1828 Plaza Dr, Winchester, VA 22601
- Practice phone
- Call (540) 662-9115
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Allergy Partners of the Shenandoah Valley
Winchester, Virginia
Find Dr. Williams' professional email, personal email and mobile number
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Dr. Teresa D. Williams is an allergist and immunologist in Winchester, Virginia
Dr. Williams practices at Allergy Partners of the Shenandoah Valley in Winchester, Virginia.
Dr. Williams' NPI, 1306827399, was assigned on November 8, 2005. Dr. Williams graduated from University of Pittsburgh School of Medicine in 1998. Dr. Williams holds Virginia license 0101267695.
- NPI
- 1306827399NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779765409
- NPI enumeration date
- November 8, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (540) 662-9115
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Teresa D. Williams practices at Allergy Partners of the Shenandoah Valley in Winchester, Virginia
Dr. Williams' primary practice is Allergy Partners of the Shenandoah Valley, at 1828 Plaza Dr, Winchester, VA 22601 in Winchester City. The practice phone is (540) 662-9115.
- Allergy Partners of the Shenandoah Valley1828 Plaza Dr, Winchester, VA 22601 · Winchester CityPhone(540) 662-9115
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Teresa D. Williams is affiliated with 3 sites of care and 1 medical group
Dr. Williams' primary practice is Allergy Partners of the Shenandoah Valley in Winchester, Virginia. Dr. Williams is also affiliated with Winchester Medical Center. The medical group on file is Allergy Partners of Crestview Hills. Dmand AI also links Dr. Williams to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Teresa D. Williams' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Williams practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Allergy Partners of the Shenandoah Valley | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Teresa D. Williams is one of 113 allergists and immunologists in Virginia
Allergy and immunology is Dr. Williams' primary specialty in the NPI Registry, under taxonomy code 207K00000X. Dr. Williams is licensed in Virginia.
Specialties and state licenses
- Allergy and immunology, VirginiaPrimary
Allergists and immunologists near Dr. Williams
Counts of allergists and immunologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Teresa D. Williams billed Medicare for 5,500 services in 2024
CMS data shows 5,500 Medicare services from Dr. Williams across 10 procedure codes in 2024, for 256 Medicare patients. Medicare paid $45,371 for them. Every service was in an office.
Dr. Williams' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 5,1412024: 5,2242%
- Office and hospital visits
- 2023: 3362024: 27618%
Dr. Williams compared with the Virginia median for allergists and immunologists, 2024
- Dr. Williams
- Virginia median
- Medicare services
- 5,500vs 2,5702.1 times
- Medicare patients
- 256vs 1162.2 times
- Part D claims
- 353vs 1582.2 times
Medians across 110 allergists and immunologists in Virginia with Dmand AI profiles that report each measure.
Dr. Williams' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Williams and other allergists and immunologists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Teresa D. Williams treated 256 Medicare patients in 2024, average age 73
CMS counts 256 Medicare patients who saw Dr. Williams in 2024. The largest group is 65 to 74, with 146 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 4% are also on Medicaid. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Williams' median patient age at 35, with 57% women.
Dr. Williams' Medicare patients by age, 2024
Dr. Williams' Medicare patients by sex, 2024
- Women17870%
- Men7830%
Chronic conditions among Dr. Williams' Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis49%
- Asthma33%
- Anxiety27%
- Diabetes24%
- Mood disorders21%
- Chronic kidney disease20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Williams' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 35
Patient panel by sex, all payers
- Women57%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Teresa D. Williams wrote 474 Medicare Part D claims in 2024
In 2024, Dr. Williams wrote 474 Medicare Part D claims for 135 patients. 59% of them were for generic drugs. CMS names the drug for 353 of them, across 13 drugs with 11 or more claims each, at $121,118 in total drug cost. In 2023, CMS named 394 claims across 13 drugs.
Dr. Williams' Part D claims by kind of drug, 2024
- Generic280 claims59%
- Brand-name194 claims41%
Dr. Williams' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3942024: 35310%
Drugs named by CMS: 13 in 2024, 13 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Teresa D. Williams takes part in Medicare
Dr. Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Teresa D. Williams received $2,208 in industry payments from 2016 to 2025
CMS Open Payments shows 114 general payments to Dr. Williams from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $793.
General payments to Dr. Williams by program year, 2016 to 2025
Companies that paid Dr. Williams the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Teresa D. Williams graduated from University of Pittsburgh School of Medicine
Dr. Williams graduated from University of Pittsburgh School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Teresa D. Williams's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Teresa D. Williams
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Teresa D. Williams' NPI number?
Dr. Teresa D. Williams' NPI number is 1306827399. It was assigned on November 8, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Teresa D. Williams?
Dr. Teresa D. Williams is an allergist and immunologist in Winchester, Virginia. The primary specialty in the NPI Registry is Allergy & Immunology Physician (taxonomy code 207K00000X).
Where does Dr. Teresa D. Williams practice?
Dr. Williams practices at 1828 Plaza Dr, Winchester, VA 22601. Dr. Williams' primary practice is Allergy Partners of the Shenandoah Valley in Winchester, Virginia. Dmand AI also links Dr. Williams to 1 group practice or clinic.
What is Dr. Teresa D. Williams' office phone number?
The practice phone on file for Dr. Williams is (540) 662-9115.
What is Dr. Teresa D. Williams' medical license number?
Dr. Williams holds Virginia license 0101267695.
Which hospitals is Dr. Teresa D. Williams affiliated with?
Dr. Williams is affiliated with Winchester Medical Center.
What medical group is Dr. Teresa D. Williams part of?
Dr. Williams is linked to Allergy Partners of Crestview Hills.
Does Dr. Teresa D. Williams accept Medicare?
Yes. CMS data shows Dr. Williams billed Medicare for 5,500 services in 2024, and Dr. Williams accepts Medicare assignment.
How many Medicare patients does Dr. Teresa D. Williams see?
CMS counts 256 Medicare patients who saw Dr. Williams in 2024, with an average age of 73.
What services does Dr. Teresa D. Williams bill to Medicare?
In 2024, Dr. Williams' most billed Medicare services were allergy test or treatment (95004), allergy test or treatment (95165) and allergy test or treatment (95117).
Show 4 more questionsShow fewer questions
Where did Dr. Teresa D. Williams go to medical school?
Dr. Williams graduated from University of Pittsburgh School of Medicine in 1998.
What drugs does Dr. Teresa D. Williams prescribe most?
In 2024 Medicare Part D data, Dr. Williams' most prescribed drugs by claims were Montelukast Sodium, Fluticasone Propionate and Epinephrine.
Has Dr. Teresa D. Williams received payments from drug or device companies?
CMS Open Payments shows $2,208 in general payments to Dr. Williams from 17 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Teresa D. Williams been practicing?
Dr. Williams graduated from medical school in 1998, 28 years ago.
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