Sundaram Chettiar, M.D.
NPI 1497047641 · Pain Medicine (Anesthesiology) Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1497047641
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D79893 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,567 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 805 | $131 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Single Level64483 | 137 | $310 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 107 | $172 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Each Additional Level64484 | 81 | $116 |
| High Osmolar Contrast Material, 200-249 Mg/Ml Iodine Concentration, Per MlQ9960 | 64 | $0 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tramadol Hcl | 220 | 49 |
| Gabapentin | 186 | 51 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 92 | 13 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 91 | 18 |
| Pregabalin | 58 | 14 |
| Oxycodone Hcl | 56 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$578 across 16 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-05-06
- Last updated
- 2019-07-23
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.