Parvathi Nanjundiah, MD
NPI 1093833352 · Psychiatry Physician · Los Altos, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Parvathi Nanjundiah, MD is a Psychiatry Physician provider in Los Altos, CA (NPI 1093833352).
Provider details
- NPI number
- 1093833352
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 35-080249 (OH)
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
138 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) |
|---|---|---|
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 78 | $82 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 60 | $155 |
Typical Medicare-allowed amounts for these services range $82–$155 (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 · 15 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Aripiprazole | 36 |
| Lamotrigine | 29 |
| Quetiapine Fumarate | 28 |
| Duloxetine Hcl | 25 |
| Fluoxetine Hcl | 23 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 19 |
| Bupropion Hclbrand: Bupropion Xl | 17 |
| Aripiprazolebrand: Abilify Maintena | 15 |
Practice location
Mailing address
Additional practice locations (2)
- 532 N Magnolia Ave Ste 675Anaheim, CA 92801-4937Phone: (866) 362-4246Fax: (650) 260-6030
- 135 S State College Blvd Ste 200Brea, CA 92821-5805Phone: (866) 362-4246Fax: (650) 260-6030
Registry dates
- Enumerated
- 2007-03-26
- Last updated
- 2024-02-05
- Certified
- 2024-02-05
Frequently asked questions
- What is Parvathi Nanjundiah's NPI number?
- Parvathi Nanjundiah's National Provider Identifier (NPI) is 1093833352, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Parvathi Nanjundiah's specialty?
- Parvathi Nanjundiah is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Parvathi Nanjundiah located?
- Parvathi Nanjundiah's practice location on file with NPPES is 4546 El Camino Real Ste B7, Los Altos, CA 94022-1069.
- What is Parvathi Nanjundiah's phone number?
- The practice phone number listed in the NPPES registry for Parvathi Nanjundiah is (866) 362-4246.
- Does Parvathi Nanjundiah accept Medicare?
- Parvathi Nanjundiah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Parvathi Nanjundiah's NPI active?
- Yes — Parvathi Nanjundiah's NPI (1093833352) is active in the NPPES registry as of the last update on 2024-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.