Watson Desa, MD
NPI 1235185620 · Interventional Cardiology Physician · Los Alamitos, CA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Watson Desa, MD is a Interventional Cardiology Physician provider in Los Alamitos, CA (NPI 1235185620).
Provider details
- NPI number
- 1235185620
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A32717 (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
20 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
1,116 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 376 | $8 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 331 | $82 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 150 | $71 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 109 | $122 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 71 | $97 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 60 | 17 |
| Atorvastatin Calcium | 36 | — |
| Metoprolol Succinate | 35 | 12 |
| Potassium Chloride | 33 | — |
| Furosemide | 30 | — |
| Digoxin | 25 | — |
| Apixabanbrand: Eliquis | 21 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$11 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
Registry dates
- Enumerated
- 2006-05-26
- Last updated
- 2023-04-13
- Certified
- 2023-04-13
Frequently asked questions
- What is Watson Desa's NPI number?
- Watson Desa's National Provider Identifier (NPI) is 1235185620, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Watson Desa's specialty?
- Watson Desa is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Watson Desa located?
- Watson Desa's practice location on file with NPPES is 3851 Katella Ave Ste 305, Los Alamitos, CA 90720-3390.
- What is Watson Desa's phone number?
- The practice phone number listed in the NPPES registry for Watson Desa is (562) 594-6080.
- Does Watson Desa accept Medicare?
- Watson Desa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Watson Desa's NPI active?
- Yes — Watson Desa's NPI (1235185620) is active in the NPPES registry as of the last update on 2023-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.