John Jairo Reyes-Castano, M.D.
Endocrinology, Diabetes & Metabolism Physician · Springfield, VA
John Jairo Reyes-Castano, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Springfield, Virginia, and NPI 1073770145, issued on May 16, 2008. Check the license on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- John Jairo Reyes-Castano
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- MD038927 DC
Self-reported in NPPES; status is on the state search - Practice location
- 6501 Loisdale CT, Springfield, VA 22150
- Phone
- (706) 922-1067
- Enumerated
- May 16, 2008
- Record last updated
- Jan 8, 2022
- Fax
- (703) 922-1041
- Medicare enrollment
- Enrolled (PECOS I20120424000029); 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 6501 Loisdale CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Patrice Akins, PHARM.DPharmacotherapy Pharmacist1952439788
- Abdel Baset Al-Shaar, MDInternal Medicine Physician1740401710
- Jennifer Amonoo-Harrison, RN/LCLactation Consultant (Registered Nurse)1508372418
Verify John Jairo Reyes-Castano in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health ProfessionsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
1,262 Medicare Part D claims for 225 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.
Most prescribed
- Levothyroxine Sodium189 claims
- Methimazole143 claims
- Insulin Glargine-Yfgn80 claims
- Jardiance65 claims
- Ultra-Fine Short Pen Needle61 claims
- Humalog55 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.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF The Mid Atlantic States, IncLargo, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Jairo Reyes-Castano among 264 endocrinology, diabetes & metabolism physician records in Virginia
John Jairo Reyes-Castano, 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 2008, is newer than 58% of them.
- NPI issued2008 · 58% of these records are older, 36% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2001 · median 2004 among the 188 with a school on file
- Record last updated2022 · 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 Springfield → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Alice Weisz, MDSpringfield, VA 221501225396740
- Michelle Evans, MSN, FNP-BCVienna, VA 221801760104178
- Ali Safa, MDVienna, VA 221801952475048
- Pallavi Heda, M.D.Tysons, VA 221821124313754
- Banafsheh Motazedi, M.D.Tysons, VA 221821457702573
- Merica Shrestha, M.D.Tysons, VA 221821083811855
- Zachary Kaye, M.D.Woodbridge, VA 221911548230907
- Maria RamirezWoodbridge, VA 221921720238363
Common questions
What is John Jairo Reyes-Castano, M.D.'s NPI number?
John Jairo Reyes-Castano, M.D.'s National Provider Identifier (NPI) is 1073770145, issued on May 16, 2008. An NPI identifies a provider in billing; it is not a license.
Where is John Jairo Reyes-Castano, M.D. located?
The NPPES record lists a practice address at 6501 Loisdale CT, Springfield, VA, 22150. Phone: (706) 922-1067. Providers update this record themselves, so call before visiting.
How can I verify John Jairo Reyes-Castano, M.D.'s license?
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 John Jairo Reyes-Castano, M.D. prescribe under Medicare Part D?
In 2024, John Jairo Reyes-Castano, M.D. had 1,262 Medicare Part D claims for 225 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.