Registry data as of Aug 27, 2026

Sundaram Chettiar, M.D.

Pain Medicine (Anesthesiology) Physician · Baltimore, MD

Sundaram Chettiar, M.D. is a pain medicine (anesthesiology) physician with a practice address in Baltimore, Maryland, and NPI 1497047641, issued on May 6, 2011. Check the license on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1497047641
Name
Sundaram Chettiar
Credential
M.D.
Primary taxonomy
Pain Medicine (Anesthesiology) Physician 207LP2900X
Practice location
3449 Wilkens Ave Ste 300, Baltimore, MD 21229
Phone
(667) 234-2922
Enumerated
May 6, 2011
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3449 Wilkens Ave Ste 300

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. John Antoniades, MDAdult Reconstructive Orthopaedic Surgery Physician1437187960
  2. Christopher Badger, MDHospitalist Physician1477880094
  3. William Kang, M.D.Orthopaedic Surgery Physician1518302462

Verify Sundaram Chettiar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

41% fewer Medicare Part D claims than the average pain medicine (anesthesiology) physician in 2024

1,018 Medicare Part D claims for 157 beneficiaries, against an average of 1,731 among the 2,346 providers of this specialty who prescribed in Part D. 509 claims were for opioids.

  1. Sundaram Chettiar1,018
  2. Specialty average1,731

Most prescribed

  1. Tramadol Hcl220 claims
  2. Gabapentin186 claims
  3. Oxycodone-Acetaminophen92 claims
  4. Hydrocodone-Acetaminophen91 claims
  5. Pregabalin58 claims
  6. Oxycodone Hcl56 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 Medicare quality score for 2023: 72.9 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.

  1. Qualityout of 100 · 30% of the final score60.2
  2. Costout of 100 · 30%48.8
  3. Promoting interoperabilityout of 100 · 25%95.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $577.72

16 payments, mostly food and beverage; the largest payer was Nevro Corp.. The 2,342 providers of this specialty with any payment received $3,354.83 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Sundaram Chettiar$577.72
  2. Specialty average$3,354.83

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Pain Medicine (Anesthesiology) Physician providers in Maryland

There are 72 pain medicine (anesthesiology) physician records in Maryland.

Other pain medicine (anesthesiology) physician records in Maryland

  1. Peju Adekoya, M.D.Baltimore, MD1316365174
  2. John Aziz, M.D.Oxon Hill, MD1437356748
  3. Romana Baig, MDColumbia, MD1437409844
  4. Taylor Byrne, D.O.Bethesda, MD1184159212
  5. Kenneth Carle, M.D.Towson, MD1699790105
  6. Elizabeth Chimah, M.D.Prince Frederick, MD1205254026
  7. Moshe Chinn, M.D.Potomac, MD1316380421
  8. Nicholas Collins, CRNPBethesda, MD1609496801
  9. Conworth Dayton-Jones, M.D.Salisbury, MD1184605461
  10. Dennis Dey, MDCumberland, MD1972546364

Common questions

What is Sundaram Chettiar, M.D.'s NPI number?

Sundaram Chettiar, M.D.'s National Provider Identifier (NPI) is 1497047641, issued on May 6, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Sundaram Chettiar, M.D. located?

The NPPES record lists a practice address at 3449 Wilkens Ave Ste 300, Baltimore, MD, 21229. Phone: (667) 234-2922. Providers update this record themselves, so call before visiting.

How can I verify Sundaram Chettiar, M.D.'s license?

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 Sundaram Chettiar, M.D. prescribe under Medicare Part D?

In 2024, Sundaram Chettiar, M.D. had 1,018 Medicare Part D claims for 157 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,731. Part D covers Medicare prescriptions only.

What is Sundaram Chettiar, M.D.'s Medicare quality score?

The 2023 MIPS final score is 72.9 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.