Sonya Vaswani Chawla, M.D.
Internal Medicine Physician · Bethesda, MD
Sonya Vaswani Chawla, M.D. is an internal medicine physician with a practice address in Bethesda, Maryland, and NPI 1548421332, issued on Jun 24, 2008. Check the license (Maryland D0072426, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Sonya Vaswani Chawla
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- D0072426 MD
MD039530 DC
Self-reported in NPPES; status is on the state search - Practice location
- 6410 Rockledge Dr Ste 403, Bethesda, MD 20817
- Phone
- (301) 530-6000
- Enumerated
- Jun 24, 2008
- Record last updated
- Aug 26, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (301) 530-7640
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Verify Sonya Vaswani Chawla in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0072426Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,982 Medicare Part D claims for 175 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 19 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium292 claims
- Atorvastatin Calcium173 claims
- Gabapentin111 claims
- Hydrochlorothiazide101 claims
- Levothyroxine Sodium101 claims
- Trazodone Hcl85 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.
Sonya Vaswani Chawla among 3,904 internal medicine physician records in Maryland
Sonya Vaswani Chawla, M.D. is one of 3,904 internal medicine physician records with a practice address in Maryland. 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 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 39% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2020 · 59% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
288 internal medicine physician records list a practice address in Bethesda
They are 288 of the 7,245 NPPES records with a practice address in Bethesda, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Bethesda → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Susan BaruchBethesda, MD 208171528032976
- Brent Berger, MDBethesda, MD 208171578537429
- Dave Chen, MDBethesda, MD 208171174571293
- Brent Cole, M.D.Bethesda, MD 208171558336321
- Deborah Horwitz, MDBethesda, MD 208171770520785
- Bradley Hunter, DOBethesda, MD 208171497703581
- Kian Kaviani, MDBethesda, MD 208171003851965
- Thomas McNamara, MDBethesda, MD 208171427047877
Common questions
What is Sonya Vaswani Chawla, M.D.'s NPI number?
Sonya Vaswani Chawla, M.D.'s National Provider Identifier (NPI) is 1548421332, issued on Jun 24, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Sonya Vaswani Chawla, M.D. located?
The NPPES record lists a practice address at 6410 Rockledge Dr Ste 403, Bethesda, MD, 20817. Phone: (301) 530-6000. Providers update this record themselves, so call before visiting.
How can I verify Sonya Vaswani Chawla, M.D.'s license?
NPPES lists Maryland license number D0072426, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Sonya Vaswani Chawla, M.D. prescribe under Medicare Part D?
In 2024, Sonya Vaswani Chawla, M.D. had 2,982 Medicare Part D claims for 175 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.