Siera Panhwar, M.D.
NPI 1790863306 · Internal Medicine Physician · Brea, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siera Panhwar, M.D. is a Internal Medicine Physician provider in Brea, CA (NPI 1790863306).
Provider details
- NPI number
- 1790863306
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A97303 (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
19 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
36 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 36 | $79 |
Typical Medicare-allowed amounts for these services range $79–$79 (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 |
|---|---|---|
| Furosemide | 25 | 19 |
| Cefpodoxime Proxetil | 19 | 19 |
| Dabigatran Etexilate Mesylatebrand: Pradaxa | 18 | — |
| Atorvastatin Calcium | 15 | — |
| Metoprolol Tartrate | 14 | — |
| Ciprofloxacin Hcl | 12 | 12 |
| Pantoprazole Sodium | 12 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2021-12-06
Frequently asked questions
- What is Siera Panhwar's NPI number?
- Siera Panhwar's National Provider Identifier (NPI) is 1790863306, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siera Panhwar's specialty?
- Siera Panhwar is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Siera Panhwar located?
- Siera Panhwar's practice location on file with NPPES is 407 W Imperial Hwy # H171, Brea, CA 92821-4832.
- What is Siera Panhwar's phone number?
- The practice phone number listed in the NPPES registry for Siera Panhwar is (562) 365-3540.
- Does Siera Panhwar accept Medicare?
- Siera Panhwar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Siera Panhwar's NPI active?
- Yes — Siera Panhwar's NPI (1790863306) is active in the NPPES registry as of the last update on 2021-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.