Sindu Alexander, M.D.
NPI 1811120371 · Nuclear Radiology Physician · Orange, CA
Enrolled with Medicare as Practitioner - Nuclear Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sindu Alexander, M.D. is a Nuclear Radiology Physician provider in Orange, CA (NPI 1811120371).
Provider details
- NPI number
- 1811120371
- Entity type
- Individual
- Primary specialty
- Nuclear Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 0000 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,225 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) |
|---|---|---|
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 296 | $10 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 281 | $12 |
| Nuclear Medicine Study From Skull Base to Mid-Thigh With Ct Scan78815 | 187 | $116 |
| Fluorodeoxyglucose F-18 Fdg, Diagnostic, Per Study Dose, Up to 45 MillicuriesA9552 | 66 | $353 |
| Nuclear Medicine Study From Skull Base to Mid-Thigh With Ct Scan78815 | 56 | $1,896 |
| Dxa Bone Density Measurement of Forearm, Finger, Hand, Or Foot77081 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$80 across 2 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
Additional practice locations (1)
- 200 W Arbor DrSan Diego, CA 92103-9000Phone: (800) 926-8273Fax: (888) 539-8781
Registry dates
- Enumerated
- 2009-09-01
- Last updated
- 2026-03-09
- Certified
- 2026-03-09
Frequently asked questions
- What is Sindu Alexander's NPI number?
- Sindu Alexander's National Provider Identifier (NPI) is 1811120371, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sindu Alexander's specialty?
- Sindu Alexander is listed in the NPPES registry with a primary specialty of Nuclear Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Sindu Alexander located?
- Sindu Alexander's practice location on file with NPPES is 101 the City Dr S, Orange, CA 92868-3201.
- What is Sindu Alexander's phone number?
- The practice phone number listed in the NPPES registry for Sindu Alexander is (714) 880-7812.
- Does Sindu Alexander accept Medicare?
- Sindu Alexander is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sindu Alexander's NPI active?
- Yes — Sindu Alexander's NPI (1811120371) is active in the NPPES registry as of the last update on 2026-03-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.