Cynthia Santillan, M.D.
NPI 1932132404 · Diagnostic Radiology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Santillan, M.D. is a Diagnostic Radiology Physician provider in San Diego, CA (NPI 1932132404).
Provider details
- NPI number
- 1932132404
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A90879 (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
2,029 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) |
|---|---|---|
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 553 | $87 |
| X-Ray of Abdomen, 1 View74018 | 244 | $9 |
| Mri Scan of Abdomen Before and After Contrast74183 | 134 | $105 |
| Complete Ultrasound Scan Behind Abdominal Cavity76770 | 111 | $36 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 95 | $84 |
| Limited Ultrasound Scan of Abdomen76705 | 89 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-08
- Last updated
- 2019-02-13
Frequently asked questions
- What is Cynthia Santillan's NPI number?
- Cynthia Santillan's National Provider Identifier (NPI) is 1932132404, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Santillan's specialty?
- Cynthia Santillan is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Cynthia Santillan located?
- Cynthia Santillan's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103-9001.
- What is Cynthia Santillan's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Santillan is (619) 543-6641.
- Does Cynthia Santillan accept Medicare?
- Cynthia Santillan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Santillan's NPI active?
- Yes — Cynthia Santillan's NPI (1932132404) is active in the NPPES registry as of the last update on 2019-02-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.