Roy William Langley, M.D.
Endocrinology, Diabetes & Metabolism Physician · Fairfax, VA
Roy William Langley, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Fairfax, Virginia, and NPI 1750394755, issued on Aug 14, 2006. Check the license (Virginia 0101236752, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Roy William Langley
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 0101236752 VA
Self-reported in NPPES; status is on the state search - Practice location
- 2826 Old Lee Hwy Ste 250, Fairfax, VA 22031
- Phone
- (703) 849-8440
- Enumerated
- Aug 14, 2006
- Record last updated
- Sep 17, 2025
- Fax
- (703) 849-0032
- Medicare enrollment
- Enrolled (PECOS I20041028001113); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 264 in Virginia → Look up another NPI →
Also registered at 2826 Old Lee Hwy Ste 250
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alice Karr, FNP-BCFamily Medicine Physician1700276854
- Glenda Thomas, DNP-FNPFamily Nurse Practitioner1407396195
Verify Roy William Langley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101236752Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
1,882 Medicare Part D claims for 244 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Levothyroxine Sodium318 claims
- Synthroid154 claims
- Metformin Hcl109 claims
- Ozempic107 claims
- Atorvastatin Calcium81 claims
- Lantus Solostar60 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $24.11
1 payment: food and beverage; the largest payer was Abbott Laboratories. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Privia Medical Group, LLCFairfax, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roy William Langley among 264 endocrinology, diabetes & metabolism physician records in Virginia
Roy William Langley, M.D. is one of 264 endocrinology, diabetes & metabolism physician records with a practice address in Virginia. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 61% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1994 · median 2004 among the 188 with a school on file
- Record last updated2025 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Virginia
There are 264 endocrinology, diabetes & metabolism physician records in Virginia.
All 264 in Virginia → Every provider in Fairfax → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Denise Armellini, MDFairfax, VA 220311811107162
- Hazel Bowen-Wright, MDFairfax, VA 220311750380887
- Samantha Diamond-Rossi, MDFairfax, VA 220311265850903
- Samim Enayat, MDFairfax, VA 220311700053824
- Evis Hudson, M.D.Fairfax, VA 220311639509821
- Renu Mansukhani, M.D.Fairfax, VA 220311801042791
- Yasser Ousman, MDFairfax, VA 220311801845284
- Suzanne Rogacz, MDFairfax, VA 220311073526703
Common questions
What is Roy William Langley, M.D.'s NPI number?
Roy William Langley, M.D.'s National Provider Identifier (NPI) is 1750394755, issued on Aug 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Roy William Langley, M.D. located?
The NPPES record lists a practice address at 2826 Old Lee Hwy Ste 250, Fairfax, VA, 22031. Phone: (703) 849-8440. Providers update this record themselves, so call before visiting.
How can I verify Roy William Langley, M.D.'s license?
NPPES lists Virginia license number 0101236752, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Roy William Langley, M.D. prescribe under Medicare Part D?
In 2024, Roy William Langley, M.D. had 1,882 Medicare Part D claims for 244 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.