Joanna M. Bock, M.D.
Internal Medicine Physician · Ashburn, VA
Joanna M. Bock, M.D. is an internal medicine physician with a practice address in Ashburn, Virginia, and NPI 1780728188, issued on Feb 18, 2007. Check the license (Virginia 0101259225, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Joanna M. Bock
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 0101259225 VA
ME116776 FL
Self-reported in NPPES; status is on the state search - Practice location
- 41816 Fenway Cir, Ashburn, VA 20148
- Phone
- (347) 761-7200
- Enumerated
- Feb 18, 2007
- Record last updated
- Dec 1, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 012948100 FL
- Medicare enrollment
- Enrolled (PECOS I20151217000057); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,599 in Virginia → Look up another NPI →
Also registered at 41816 Fenway Cir
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kholood Ahmed, MBBSGeriatric Medicine (Internal Medicine) Physician1255180709
- Meghan Anezin, FNP-CFamily Nurse Practitioner1851098156
- Hayley Arcadipane, APRNFamily Nurse Practitioner1982227724
- Amr Behiri, DOInternal Medicine Physician1154588580
- Kaila Bray, FNPFamily Nurse Practitioner1689383879
- Sarah Brown, FNPFamily Nurse Practitioner1538537196
Verify Joanna M. Bock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101259225Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,268 Medicare Part D claims for 240 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Atorvastatin Calcium202 claims
- Rosuvastatin Calcium182 claims
- Amlodipine Besylate113 claims
- Losartan Potassium102 claims
- Levothyroxine Sodium92 claims
- Lisinopril60 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: $301.08
5 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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, LLCArlington, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joanna M. Bock among 3,599 internal medicine physician records in Virginia
Joanna M. Bock, M.D. is one of 3,599 internal medicine physician records with a practice address in Virginia. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 45% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2006 · median 2003 among the 2,234 with a school on file
- Record last updated2015 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 internal medicine physician records list a practice address in Ashburn
They are 23 of the 1,192 NPPES records with a practice address in Ashburn, and 3,599 internal medicine physician records in Virginia.
All 3,599 in Virginia → Every provider in Ashburn → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Amr Behiri, DOAshburn, VA 201481154588580
- Nitinkumar Doshi, MDAshburn, VA 201481154424372
- Mysore Maitri, M.DAshburn, VA 201481073697082
- Shriprakash Trivedi, MDAshburn, VA 201481568532596
- Sheena Abraham, M.D.Ashburn, VA 201471831246818
- Saba Afraz, MDAshburn, VA 201471972900355
- Khadija Alvi, M.D.Ashburn, VA 201471225196678
- Fuad Alykhan, M.D.Ashburn, VA 201471013192327
Common questions
What is Joanna M. Bock, M.D.'s NPI number?
Joanna M. Bock, M.D.'s National Provider Identifier (NPI) is 1780728188, issued on Feb 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Joanna M. Bock, M.D. located?
The NPPES record lists a practice address at 41816 Fenway Cir, Ashburn, VA, 20148. Phone: (347) 761-7200. Providers update this record themselves, so call before visiting.
How can I verify Joanna M. Bock, M.D.'s license?
NPPES lists Virginia license number 0101259225, 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 Joanna M. Bock, M.D. prescribe under Medicare Part D?
In 2024, Joanna M. Bock, M.D. had 2,268 Medicare Part D claims for 240 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.