Ambika Sivanandam, MD
NPI 1801006606 · Internal Medicine Physician · Loma Linda, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ambika Sivanandam, MD is a Internal Medicine Physician provider in Loma Linda, CA (NPI 1801006606).
Provider details
- NPI number
- 1801006606
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 4301087578 (MI)
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
745 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 383 | $132 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 202 | $17 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 42 | $133 |
| Administration of Influenza Virus VaccineG0008 | 39 | $33 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 33 | $94 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 51 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 174 | 60 |
| Rosuvastatin Calcium | 167 | 64 |
| Losartan Potassium | 153 | 56 |
| Amlodipine Besylate | 140 | 46 |
| Lisinopril | 125 | 42 |
| Metformin Hcl | 117 | 37 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-23
- Last updated
- 2013-12-23
Frequently asked questions
- What is Ambika Sivanandam's NPI number?
- Ambika Sivanandam's National Provider Identifier (NPI) is 1801006606, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ambika Sivanandam's specialty?
- Ambika Sivanandam is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ambika Sivanandam located?
- Ambika Sivanandam's practice location on file with NPPES is 11370 Anderson St Ste 3400, Loma Linda, CA 92354-3450.
- What is Ambika Sivanandam's phone number?
- The practice phone number listed in the NPPES registry for Ambika Sivanandam is (909) 558-4950.
- Does Ambika Sivanandam accept Medicare?
- Ambika Sivanandam is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ambika Sivanandam's NPI active?
- Yes — Ambika Sivanandam's NPI (1801006606) is active in the NPPES registry as of the last update on 2013-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.