Shyamsunder Subramanian, MD
NPI 1871588731 · Pulmonary Disease Physician · Tracy, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shyamsunder Subramanian, MD is a Pulmonary Disease Physician provider in Tracy, CA (NPI 1871588731).
Provider details
- NPI number
- 1871588731
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- C133248 (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
20 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
4,153 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 | 1,311 | $130 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 405 | $15 |
| Unclassified BiologicsJ3590 | 321 | $0 |
| Sleep Study Including Heart Rate, Breathing, Airflow, and Effort95806 | 242 | $92 |
| Test to Measure Expiratory Airflow and Volume Changes Before and After Medication Administration94060 | 233 | $11 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 233 | $10 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 830 | 206 |
| Montelukast Sodium | 770 | 197 |
| Methylprednisolone | 525 | 289 |
| Prednisone | 253 | 112 |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 237 | 102 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 215 | 93 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$148,238 across 201 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
- 2005-09-16
- Last updated
- 2015-12-15
Frequently asked questions
- What is Shyamsunder Subramanian's NPI number?
- Shyamsunder Subramanian's National Provider Identifier (NPI) is 1871588731, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shyamsunder Subramanian's specialty?
- Shyamsunder Subramanian is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Shyamsunder Subramanian located?
- Shyamsunder Subramanian's practice location on file with NPPES is 530 W Eaton Ave, Tracy, CA 95376-3400.
- What is Shyamsunder Subramanian's phone number?
- The practice phone number listed in the NPPES registry for Shyamsunder Subramanian is (209) 830-1500.
- Does Shyamsunder Subramanian accept Medicare?
- Shyamsunder Subramanian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shyamsunder Subramanian's NPI active?
- Yes — Shyamsunder Subramanian's NPI (1871588731) is active in the NPPES registry as of the last update on 2015-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.