Jayanth Madderla, MD
NPI 1699930099 · Psychiatry Physician · Napa, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jayanth Madderla, MD is a Psychiatry Physician provider in Napa, CA (NPI 1699930099).
Provider details
- NPI number
- 1699930099
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 115344 (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
17 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
165 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 58 | $85 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, at Least 10 Minutes99307 | 47 | $45 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 44 | $128 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 16 | $127 |
Typical Medicare-allowed amounts for these services range $45–$128 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-07-24
- Last updated
- 2017-11-09
Frequently asked questions
- What is Jayanth Madderla's NPI number?
- Jayanth Madderla's National Provider Identifier (NPI) is 1699930099, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jayanth Madderla's specialty?
- Jayanth Madderla is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Jayanth Madderla located?
- Jayanth Madderla's practice location on file with NPPES is 2100 Napa Vallejo Hwy, Napa, CA 94558-6293.
- What is Jayanth Madderla's phone number?
- The practice phone number listed in the NPPES registry for Jayanth Madderla is (707) 253-5000.
- Does Jayanth Madderla accept Medicare?
- Jayanth Madderla is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jayanth Madderla's NPI active?
- Yes — Jayanth Madderla's NPI (1699930099) is active in the NPPES registry as of the last update on 2017-11-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.