Juan Sequeira, M.D.
NPI 1558389635 · Internal Medicine Physician · Pittsburg, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Juan Sequeira, M.D. is a Internal Medicine Physician provider in Pittsburg, CA (NPI 1558389635).
Provider details
- NPI number
- 1558389635
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G40166 (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
680 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 | 602 | $153 |
| Ultrasound Study of Arm and Leg Arteries93922 | 42 | $110 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 20 | $215 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 16 | $16 |
Typical Medicare-allowed amounts for these services range $16–$215 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 208 | 61 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 169 | 22 |
| Lisinopril | 128 | 38 |
| Metformin Hcl | 116 | 37 |
| Amlodipine Besylate | 109 | 37 |
| Levothyroxine Sodium | 105 | 25 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is Juan Sequeira's NPI number?
- Juan Sequeira's National Provider Identifier (NPI) is 1558389635, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Juan Sequeira's specialty?
- Juan Sequeira is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Juan Sequeira located?
- Juan Sequeira's practice location on file with NPPES is 2260 Gladstone Dr, Pittsburg, CA 94565-5125.
- What is Juan Sequeira's phone number?
- The practice phone number listed in the NPPES registry for Juan Sequeira is (925) 753-1986.
- Does Juan Sequeira accept Medicare?
- Juan Sequeira is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Juan Sequeira's NPI active?
- Yes — Juan Sequeira's NPI (1558389635) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.