Ettayapurum Sunderrajan, M.D.
NPI 1679511315 · Pulmonary Disease Physician · Fountain Valley, CA
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ettayapurum Sunderrajan, M.D. is a Pulmonary Disease Physician provider in Fountain Valley, CA (NPI 1679511315).
Provider details
- NPI number
- 1679511315
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A42385 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
46 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 25 | $111 |
| X-Ray of Chest, 2 Views71046 | 21 | $33 |
Typical Medicare-allowed amounts for these services range $33–$111 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 32 | 23 |
| Atorvastatin Calcium | 25 | 15 |
| Azithromycin | 19 | 19 |
| Amlodipine Besylate | 18 | 13 |
| Baclofen | 13 | — |
| Metformin Hcl | 12 | 11 |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-03
- Last updated
- 2013-04-24
Frequently asked questions
- What is Ettayapurum Sunderrajan's NPI number?
- Ettayapurum Sunderrajan's National Provider Identifier (NPI) is 1679511315, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ettayapurum Sunderrajan's specialty?
- Ettayapurum Sunderrajan is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Ettayapurum Sunderrajan located?
- Ettayapurum Sunderrajan's practice location on file with NPPES is 11180 Warner Ave, Fountain Valley, CA 92708-7501.
- What is Ettayapurum Sunderrajan's phone number?
- The practice phone number listed in the NPPES registry for Ettayapurum Sunderrajan is (714) 979-2825.
- Does Ettayapurum Sunderrajan accept Medicare?
- Ettayapurum Sunderrajan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ettayapurum Sunderrajan's NPI active?
- Yes — Ettayapurum Sunderrajan's NPI (1679511315) is active in the NPPES registry as of the last update on 2013-04-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.