Jaya Karnani, MD
NPI 1457309783 · Family Medicine Physician · Castro Valley, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jaya Karnani, MD is a Family Medicine Physician provider in Castro Valley, CA (NPI 1457309783).
Provider details
- NPI number
- 1457309783
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A89868 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
1,906 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 | 673 | $153 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 542 | $19 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 162 | $153 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 107 | $110 |
| Administration of Influenza Virus VaccineG0008 | 81 | $38 |
| Admn Sarscov2 Vacc 1 Dose |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 115 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 368 | 157 |
| Rosuvastatin Calcium | 257 | 109 |
| Amlodipine Besylate | 226 | 97 |
| Losartan Potassium | 212 | 83 |
| Levothyroxine Sodium | 190 | 80 |
| Gabapentin | 166 | 74 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-05
- Last updated
- 2022-12-07
- Certified
- 2022-12-07
Frequently asked questions
- What is Jaya Karnani's NPI number?
- Jaya Karnani's National Provider Identifier (NPI) is 1457309783, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jaya Karnani's specialty?
- Jaya Karnani is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jaya Karnani located?
- Jaya Karnani's practice location on file with NPPES is 20642 John Dr, Castro Valley, CA 94546-5103.
- What is Jaya Karnani's phone number?
- The practice phone number listed in the NPPES registry for Jaya Karnani is (510) 785-5000.
- Does Jaya Karnani accept Medicare?
- Jaya Karnani is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jaya Karnani's NPI active?
- Yes — Jaya Karnani's NPI (1457309783) is active in the NPPES registry as of the last update on 2022-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.