Gowriharan Thaiyananthan, MD
NPI 1518164110 · Neurological Surgery Physician · French Camp, CA
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gowriharan Thaiyananthan, MD is a Neurological Surgery Physician provider in French Camp, CA (NPI 1518164110).
Provider details
- NPI number
- 1518164110
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 01094949A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
65 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 41 | $102 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 13 | $133 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 11 | $187 |
Typical Medicare-allowed amounts for these services range $102–$187 (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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$744 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 4631 Teller Ave Ste 100Newport Beach, CA 92660-8105Phone: (949) 335-7500Fax: (949) 335-7500
Registry dates
- Enumerated
- 2007-06-28
- Last updated
- 2025-06-27
- Certified
- 2024-12-12
Frequently asked questions
- What is Gowriharan Thaiyananthan's NPI number?
- Gowriharan Thaiyananthan's National Provider Identifier (NPI) is 1518164110, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gowriharan Thaiyananthan's specialty?
- Gowriharan Thaiyananthan is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Gowriharan Thaiyananthan located?
- Gowriharan Thaiyananthan's practice location on file with NPPES is 500 W Hospital Rd, French Camp, CA 95231-9693.
- What is Gowriharan Thaiyananthan's phone number?
- The practice phone number listed in the NPPES registry for Gowriharan Thaiyananthan is (209) 468-6937.
- Does Gowriharan Thaiyananthan accept Medicare?
- Gowriharan Thaiyananthan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gowriharan Thaiyananthan's NPI active?
- Yes — Gowriharan Thaiyananthan's NPI (1518164110) is active in the NPPES registry as of the last update on 2025-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.