Siva Ambalam, M.P.H., D.O.
Family Medicine Physician · Arlington, VA
Siva Ambalam, M.P.H., D.O. is a family medicine physician with a practice address in Arlington, Virginia, and NPI 1619234788, issued on Apr 13, 2012. Check the license (Virginia 0102205174, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Siva Ambalam
- Credential
- M.P.H., D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 0102205174 VA
Self-reported in NPPES; status is on the state search - Practice location
- 1005 N Glebe RD Ste 160, Arlington, VA 22201
- Phone
- (571) 492-3045
- Enumerated
- Apr 13, 2012
- Record last updated
- Sep 29, 2022
- Medicare enrollment
- Enrolled (PECOS I20181126000015); accepts Medicare assignment
- Medical or professional school
- Midwestern University, Chicago College Of Osteopathic Med, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 4,137 in Virginia → Look up another NPI →
Also registered at 1005 N Glebe RD Ste 160
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Parineeta Rao, MDFamily Medicine Physician1053726356
- Meghan Veno, MDFamily Medicine Physician1245890839
- Bao Vo, MDInternal Medicine Physician1275777963
- Jacqueline WichernNurse Practitioner1053813105
Verify Siva Ambalam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0102205174Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average family medicine physician in 2024
794 Medicare Part D claims for 66 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Atorvastatin Calcium69 claims
- Gabapentin31 claims
- Amlodipine Besylate30 claims
- Rosuvastatin Calcium26 claims
- Montelukast Sodium24 claims
- Prednisone24 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Inova Health Care ServicesArlington, VA
- Suburban/nrh Medical Rehabilitation IncBethesda, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Siva Ambalam among 4,137 family medicine physician records in Virginia
Siva Ambalam, M.P.H., D.O. is one of 4,137 family medicine physician records with a practice address in Virginia. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 70% of them.
- NPI issued2012 · 70% of these records are older, 28% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2012 · median 2004 among the 2,426 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 207Q00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
64 family medicine physician records list a practice address in Arlington
They are 64 of the 3,510 NPPES records with a practice address in Arlington, and 4,137 family medicine physician records in Virginia.
All 4,137 in Virginia → Every provider in Arlington → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
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- Roza Hassen, MDArlington, VA 222011003267543
- Danielle Jean, MDArlington, VA 222011194923193
- Randi Kodroff, D.O.Arlington, VA 222011831155373
- Reginald McManus, MDArlington, VA 222011558438663
- Parineeta Rao, MDArlington, VA 222011053726356
- Daniel Urcuyo Llanes, M.D.Arlington, VA 222011144608035
Common questions
What is Siva Ambalam, M.P.H., D.O.'s NPI number?
Siva Ambalam, M.P.H., D.O.'s National Provider Identifier (NPI) is 1619234788, issued on Apr 13, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Siva Ambalam, M.P.H., D.O. located?
The NPPES record lists a practice address at 1005 N Glebe RD Ste 160, Arlington, VA, 22201. Phone: (571) 492-3045. Providers update this record themselves, so call before visiting.
How can I verify Siva Ambalam, M.P.H., D.O.'s license?
NPPES lists Virginia license number 0102205174, 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 Siva Ambalam, M.P.H., D.O. prescribe under Medicare Part D?
In 2024, Siva Ambalam, M.P.H., D.O. had 794 Medicare Part D claims for 66 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Siva Ambalam, M.P.H., D.O.'s MIPS final score?
The 2023 MIPS final score is 81.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.