Shankar Sundaram, M.D.
NPI 1306959358 · Hematology & Oncology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shankar Sundaram, M.D. is a Hematology & Oncology Physician provider in San Diego, CA (NPI 1306959358).
Provider details
- NPI number
- 1306959358
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A54007 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
333 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 213 | $188 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 29 | $136 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 26 | $233 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 25 | $137 |
| Collection of Blood Sample From Implanted Device36591 | 22 | $32 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 169 | 54 |
| Ondansetronbrand: Ondansetron Odt | 78 | 38 |
| Prednisone | 49 | 16 |
| Prochlorperazine Maleate | 34 | 28 |
| Letrozole | 30 | 12 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 29 | — |
| Megestrol Acetate | 25 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,882 across 69 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
- 2006-08-16
- Last updated
- 2013-06-27
Frequently asked questions
- What is Shankar Sundaram's NPI number?
- Shankar Sundaram's National Provider Identifier (NPI) is 1306959358, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shankar Sundaram's specialty?
- Shankar Sundaram is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Shankar Sundaram located?
- Shankar Sundaram's practice location on file with NPPES is 2929 Health Center Dr, San Diego, CA 92123-2762.
- What is Shankar Sundaram's phone number?
- The practice phone number listed in the NPPES registry for Shankar Sundaram is (858) 939-6622.
- Does Shankar Sundaram accept Medicare?
- Shankar Sundaram is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shankar Sundaram's NPI active?
- Yes — Shankar Sundaram's NPI (1306959358) is active in the NPPES registry as of the last update on 2013-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.