NPPES file of Aug 9, 2026

Sundaram Krishnan Chettiar, M.D.

Pain Medicine (Anesthesiology) Physician · Baltimore, MD

Sundaram Krishnan 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 (Maryland D79893, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1497047641
Name
Sundaram Krishnan Chettiar
Credential
M.D.
Primary taxonomy
Pain Medicine (Anesthesiology) Physician 207LP2900X
License number
D79893 MD
Self-reported in NPPES; status is on the state search
Practice location
3449 Wilkens Ave Ste 300, Baltimore, MD 21229
Phone
(667) 234-2922
Enumerated
May 6, 2011
Record last updated
Jul 23, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(667) 234-9997
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, MDOrthopaedic Surgery Physician1437187960
  2. Christopher Badger, MDInternal Medicine Physician1477880094
  3. William Kang, M.D.Orthopaedic Surgery Physician1518302462

Verify Sundaram Krishnan Chettiar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D79893
    Check 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

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42% 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 1,750 among the 2,982 providers of this specialty who prescribed in Part D. 509 claims were for opioids.

  1. Sundaram Chettiar1,018
  2. Specialty average1,750

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 MIPS final score for 2023 (Medicare payment program): 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; by number, the most common kind was food and beverage; the largest payer was Nevro Corp. The 2,789 providers of this specialty with any payment received $3,225.41 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$3,225.41

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 88 pain medicine (anesthesiology) physician records in Maryland.

Other pain medicine (anesthesiology) physician records in Maryland

  1. Hasan Abed, M.D.Timonium, MD1134341787
  2. Beatrice Afrangui, M.D.Baltimore, MD1730127184
  3. Mohamed Ahmed, MDElkton, MD1053307496
  4. Mohammad Akmal, MDHagerstown, MD1689669616
  5. John Aziz, M.D.Oxon Hill, MD1437356748
  6. Felix Barnett, M.D.Chester, MD1386745297
  7. Ritu Bhambhani, MDAbingdon, MD1053394130
  8. Renee Blanding, M.D.Baltimore, MD1962468645
  9. Brian Block, M.D.Baltimore, MD1326004433
  10. Robert Brown, M.D.Baltimore, MD1871551358

Common questions

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

Sundaram Krishnan 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 Krishnan 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 Krishnan Chettiar, M.D.'s license?

NPPES lists Maryland license number D79893, 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 Sundaram Krishnan Chettiar, M.D. prescribe under Medicare Part D?

In 2024, Sundaram Krishnan Chettiar, M.D. had 1,018 Medicare Part D claims for 157 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. Part D covers Medicare prescriptions only.

What is Sundaram Krishnan Chettiar, M.D.'s MIPS final 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), 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.