Sandy Serna, MD
NPI 1659834620 · Family Medicine Physician · San Juan Capistrano, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sandy Serna, MD is a Family Medicine Physician provider in San Juan Capistrano, CA (NPI 1659834620).
Provider details
- NPI number
- 1659834620
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A178739 (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
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
342 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 118 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 106 | $91 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 68 | $118 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 23 | $68 |
| Administration of Influenza Virus VaccineG0008 | 14 | $35 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 97 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 395 | 145 |
| Levothyroxine Sodium | 252 | 83 |
| Losartan Potassium | 188 | 73 |
| Lisinopril | 185 | 64 |
| Amlodipine Besylate | 169 | 56 |
| Pravastatin Sodium | 160 | 48 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$112 across 4 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
Registry dates
- Enumerated
- 2019-04-08
- Last updated
- 2022-08-18
- Certified
- 2022-08-18
Frequently asked questions
- What is Sandy Serna's NPI number?
- Sandy Serna's National Provider Identifier (NPI) is 1659834620, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandy Serna's specialty?
- Sandy Serna is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sandy Serna located?
- Sandy Serna's practice location on file with NPPES is 31001 Rancho Viejo Road, Ste. 200, San Juan Capistrano, CA 92675.
- What is Sandy Serna's phone number?
- The practice phone number listed in the NPPES registry for Sandy Serna is (949) 661-9600.
- Does Sandy Serna accept Medicare?
- Sandy Serna is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sandy Serna's NPI active?
- Yes — Sandy Serna's NPI (1659834620) is active in the NPPES registry as of the last update on 2022-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.