Dr. William A. Thistlethwaite, MD
- Medicare services, 2023
- 28
- Part D claims, 2024
- 389
- Hospital affiliations
- 3
- Industry payments
- $154
- Medical groups
- 3
- Practice address
- 1701 North George Mason Drive, Arlington, VA 22205
- Practice phone
- Call (703) 558-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Thistlethwaite's professional email, personal email and mobile number
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Dr. William A. Thistlethwaite is a hospitalist in Arlington, Virginia
Dr. Thistlethwaite practices at VHC Health in Arlington, Virginia, part of VHC Health.
Dr. Thistlethwaite's NPI, 1568696458, was assigned on May 7, 2009. Dr. Thistlethwaite graduated from University of Chicago, Pritzker School of Medicine in 2009. Dr. Thistlethwaite holds Virginia license 0101251446.
- NPI
- 1568696458NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8527214287
- NPI enumeration date
- May 7, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (703) 558-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William A. Thistlethwaite practices at VHC Health in Arlington, Virginia
Dr. Thistlethwaite's primary practice is VHC Health, at 1701 North George Mason Drive, Arlington, VA 22205 in Arlington County. The practice phone is (703) 558-5000.
- VHC Health1701 North George Mason Drive, Arlington, VA 22205 · Arlington CountyPhone(703) 558-5000
Source: Dmand AI Affiliation Data
Dr. William A. Thistlethwaite is affiliated with 3 sites of care and 3 medical groups
Dr. Thistlethwaite's primary practice is VHC Health in Arlington, Virginia, part of VHC Health. Dr. Thistlethwaite is also affiliated with Bon Secours St. Mary's Hospital. The medical group on file is Mid-Atlantic Permanente Medical Group. Dmand AI also links Dr. Thistlethwaite to 1 more hospital and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William A. Thistlethwaite's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Thistlethwaite practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| VHC Health | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William A. Thistlethwaite is one of 551 hospitalists in Virginia
Hospitalist is Dr. Thistlethwaite's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Thistlethwaite is licensed in Virginia.
Specialties and state licenses
- Hospitalist, VirginiaPrimary
Hospitalists near Dr. Thistlethwaite
Counts of hospitalists 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. William A. Thistlethwaite billed Medicare for 28 services in 2023
CMS data shows 28 Medicare services from Dr. Thistlethwaite across 1 procedure code in 2023. Medicare paid $1,830 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Thistlethwaite's Medicare services by type, 2021 to 2023
- 2021
- 2023
- Office and hospital visits
- 2021: 02023: 28
- Other services
- 2021: 3222023: 0100%
Dr. Thistlethwaite compared with the Virginia median for hospitalists, 2023
- Dr. Thistlethwaite
- Virginia median
- Medicare services
- 28vs 51295% below
- Part D claims
- 158vs 682.3 times
Medians across 522 hospitalists in Virginia with Dmand AI profiles that report each measure.
Dr. Thistlethwaite's most billed Medicare procedure codes, 2023
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William A. Thistlethwaite's patients have a median age of 68
Across all payers, Dmand AI patient panel data puts Dr. Thistlethwaite's median patient age at 68, with 47% women.
Dr. Thistlethwaite's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women47%
- Men53%
Source: Dmand AI Patient Panel Data
Dr. William A. Thistlethwaite wrote 389 Medicare Part D claims in 2024
In 2024, Dr. Thistlethwaite wrote 389 Medicare Part D claims for 142 patients. 85% of them were for generic drugs. CMS names the drug for 158 of them, across 10 drugs with 11 or more claims each, at $18,011 in total drug cost. In 2023, CMS named 115 claims across 7 drugs.
Dr. Thistlethwaite's Part D claims by kind of drug, 2024
- Generic331 claims85%
- Brand-name and other58 claims15%
Dr. Thistlethwaite's 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.
Drug classes CMS tracks in Dr. Thistlethwaite's Part D claims, 2024
- Opioids5%19 of 389 claims
- Antibiotics14%53 of 389 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1152024: 15837%
Drugs named by CMS: 10 in 2024, 7 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. William A. Thistlethwaite takes part in Medicare
Dr. Thistlethwaite 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. William A. Thistlethwaite received $154 in industry payments from 2016 to 2017
CMS Open Payments shows 5 general payments to Dr. Thistlethwaite from 3 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $107.
General payments to Dr. Thistlethwaite by program year, 2016 to 2017
Companies that paid Dr. Thistlethwaite the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William A. Thistlethwaite graduated from University of Chicago, Pritzker School of Medicine
Dr. Thistlethwaite graduated from University of Chicago, Pritzker School of Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. William A. Thistlethwaite'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 Data |
| 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. William A. Thistlethwaite
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. William A. Thistlethwaite's NPI number?
Dr. William A. Thistlethwaite's NPI number is 1568696458. It was assigned on May 7, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. William A. Thistlethwaite?
Dr. William A. Thistlethwaite is a hospitalist in Arlington, Virginia. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. William A. Thistlethwaite practice?
Dr. Thistlethwaite practices at 1701 North George Mason Drive, Arlington, VA 22205. Dr. Thistlethwaite's primary practice is VHC Health in Arlington, Virginia, part of VHC Health. Dmand AI also links Dr. Thistlethwaite to 1 hospital and 2 medical groups.
What is Dr. William A. Thistlethwaite's office phone number?
The practice phone on file for Dr. Thistlethwaite is (703) 558-5000.
What is Dr. William A. Thistlethwaite's medical license number?
Dr. Thistlethwaite holds Virginia license 0101251446.
Which hospitals is Dr. William A. Thistlethwaite affiliated with?
Dr. Thistlethwaite practices at VHC Health in Arlington, Virginia. Dr. Thistlethwaite is also affiliated with Bon Secours St. Mary's Hospital. Dmand AI links Dr. Thistlethwaite to 1 more hospital.
What medical group is Dr. William A. Thistlethwaite part of?
Dr. Thistlethwaite is linked to Mid-Atlantic Permanente Medical Group. Dmand AI links Dr. Thistlethwaite to 2 more medical groups.
Does Dr. William A. Thistlethwaite accept Medicare?
Yes. CMS data shows Dr. Thistlethwaite billed Medicare for 28 services in 2023, and Dr. Thistlethwaite accepts Medicare assignment.
What services does Dr. William A. Thistlethwaite bill to Medicare?
In 2023, Dr. Thistlethwaite's most billed Medicare services were hospital inpatient care (99232).
Where did Dr. William A. Thistlethwaite go to medical school?
Dr. Thistlethwaite graduated from University of Chicago, Pritzker School of Medicine in 2009.
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What drugs does Dr. William A. Thistlethwaite prescribe most?
In 2024 Medicare Part D data, Dr. Thistlethwaite's most prescribed drugs by claims were Clopidogrel, Prednisone and Atorvastatin Calcium.
Has Dr. William A. Thistlethwaite received payments from drug or device companies?
CMS Open Payments shows $154 in general payments to Dr. Thistlethwaite from 3 companies from 2016 to 2017. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. William A. Thistlethwaite been practicing?
Dr. Thistlethwaite graduated from medical school in 2009, 17 years ago.
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