Charmian D. Sittambalam, MD
Geriatric Medicine (Internal Medicine) Physician · Baltimore, MD
Charmian D. Sittambalam, MD is a geriatric medicine (internal medicine) physician with a practice address in Baltimore, Maryland, and NPI 1013208461, issued on Apr 20, 2011. Check the license (Maryland D0079068, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Charmian D. Sittambalam
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- D0079068 MD
Self-reported in NPPES; status is on the state search - Practice location
- 9000 Franklin Square Dr, Baltimore, MD 21237
- Phone
- (443) 777-7155
- Enumerated
- Apr 20, 2011
- Record last updated
- Sep 9, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (443) 777-8877
- Medicare enrollment
- Enrolled (PECOS I20151123002557); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 139 in Maryland → Look up another NPI →
Also registered at 9000 Franklin Square Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eric Abbott, PA-CPhysician Assistant1669873089
- Basma Abdo, M.DObstetrics & Gynecology Physician1922302652
- Sean Abeysekera, M.D.Student in an Organized Health Care Education/Training Program1710369251
- Daria Abolghasemi, D.O.Surgical Oncology Physician1265847636
- Jewaher Abubaker, P.A.Physician Assistant1902955198
- Ibukunola Adediji, PAInternal Medicine Physician1386240455
Verify Charmian D. Sittambalam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0079068Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
3,774 Medicare Part D claims for 598 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 30 claims were for opioids.
Most prescribed
- Atorvastatin Calcium252 claims
- Amlodipine Besylate228 claims
- Metoprolol Succinate127 claims
- Losartan Potassium122 claims
- Lisinopril112 claims
- Pantoprazole Sodium104 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): 80.2 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).
Industry payments in 2024: $1,503.42
50 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 1,004 providers of this specialty with any payment received $1,720.82 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
- Saluja Medical AssociatesBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charmian D. Sittambalam among 139 geriatric medicine (internal medicine) physician records in Maryland
Charmian D. Sittambalam, MD is one of 139 geriatric medicine (internal medicine) physician records with a practice address in Maryland. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 80% of them.
- NPI issued2011 · 80% of these records are older, 16% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 47% of these records are
- Graduated2007 · median 1997 among the 66 with a school on file
- Record last updated2015 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Maryland
There are 139 geriatric medicine (internal medicine) physician records in Maryland.
All 139 in Maryland → Every provider in Baltimore → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Rezanne KhalilBaltimore, MD 212371891105441
- Brian Wallace, MDBaltimore, MD 212361801864350
- Sharareh Badri, M.D.Baltimore, MD 212391003278250
- Stephen Courtin, MDBaltimore, MD 212391649512690
- Nancy Jane Friedley, M.D.Baltimore, MD 212391235106329
- James Parshall, MDBaltimore, MD 212391194794503
- Pamela Aung, MDParkville, MD 212341871798223
- Victoria Vanik, M.D.Baltimore, MD 212341437159159
Common questions
What is Charmian D. Sittambalam, MD's NPI number?
Charmian D. Sittambalam, MD's National Provider Identifier (NPI) is 1013208461, issued on Apr 20, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Charmian D. Sittambalam, MD located?
The NPPES record lists a practice address at 9000 Franklin Square Dr, Baltimore, MD, 21237. Phone: (443) 777-7155. Providers update this record themselves, so call before visiting.
How can I verify Charmian D. Sittambalam, MD's license?
NPPES lists Maryland license number D0079068, 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 Charmian D. Sittambalam, MD prescribe under Medicare Part D?
In 2024, Charmian D. Sittambalam, MD had 3,774 Medicare Part D claims for 598 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
What is Charmian D. Sittambalam, MD's MIPS final score?
The 2023 MIPS final score is 80.2 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.