Sylvia Cardounell, MD
NPI 1366902207 · Internal Medicine Physician · San Jose, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sylvia Cardounell, MD is a Internal Medicine Physician provider in San Jose, CA (NPI 1366902207).
Provider details
- NPI number
- 1366902207
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- PTL4322 (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
7 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
497 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 | 237 | $93 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 121 | $47 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 79 | $63 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 45 | $78 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 15 | $34 |
Typical Medicare-allowed amounts for these services range $34–$93 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 61 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 436 | 71 |
| Lisinopril | 236 | 44 |
| Amlodipine Besylate | 221 | 34 |
| Losartan Potassium | 158 | 27 |
| Gabapentin | 149 | 30 |
| Levothyroxine Sodium | 132 | 25 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-03-25
- Last updated
- 2021-11-26
- Certified
- 2021-11-25
Frequently asked questions
- What is Sylvia Cardounell's NPI number?
- Sylvia Cardounell's National Provider Identifier (NPI) is 1366902207, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sylvia Cardounell's specialty?
- Sylvia Cardounell is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sylvia Cardounell located?
- Sylvia Cardounell's practice location on file with NPPES is 751 S Bascom Ave, San Jose, CA 95128-2699.
- What is Sylvia Cardounell's phone number?
- The practice phone number listed in the NPPES registry for Sylvia Cardounell is (917) 548-3758.
- Does Sylvia Cardounell accept Medicare?
- Sylvia Cardounell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sylvia Cardounell's NPI active?
- Yes — Sylvia Cardounell's NPI (1366902207) is active in the NPPES registry as of the last update on 2021-11-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.