Vinay Buttan, MD
NPI 1699840728 · Internal Medicine Physician · Porterville, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vinay Buttan, MD is a Internal Medicine Physician provider in Porterville, CA (NPI 1699840728).
Provider details
- NPI number
- 1699840728
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A33656 (CA)
Specialties & taxonomies
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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,497 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,605 | $90 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 331 | $73 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 181 | $3 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 159 | $132 |
| Administration of Influenza Virus VaccineG0008 | 122 | $33 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 138 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 621 | 126 |
| Atorvastatin Calcium | 611 | 119 |
| Metformin Hcl | 536 | 93 |
| Levothyroxine Sodium | 528 | 62 |
| Losartan Potassium | 447 | 93 |
| Pantoprazole Sodium | 446 | 62 |
| Losartan/Hydrochlorothiazide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$561 across 9 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
Registry dates
- Enumerated
- 2006-11-22
- Last updated
- 2012-08-16
Frequently asked questions
- What is Vinay Buttan's NPI number?
- Vinay Buttan's National Provider Identifier (NPI) is 1699840728, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vinay Buttan's specialty?
- Vinay Buttan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Vinay Buttan located?
- Vinay Buttan's practice location on file with NPPES is 166 N Villa St, Porterville, CA 93257.
- What is Vinay Buttan's phone number?
- The practice phone number listed in the NPPES registry for Vinay Buttan is (559) 782-1990.
- Does Vinay Buttan accept Medicare?
- Vinay Buttan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vinay Buttan's NPI active?
- Yes — Vinay Buttan's NPI (1699840728) is active in the NPPES registry as of the last update on 2012-08-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.