Vivaik Tyagi, M.D.
NPI 1073612545 · Gastroenterology Physician · Lancaster, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vivaik Tyagi, M.D. is a Gastroenterology Physician provider in Lancaster, CA (NPI 1073612545).
Provider details
- NPI number
- 1073612545
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A78333 (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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,279 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 | 1,140 | $121 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 481 | $47 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 338 | $240 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 272 | $42 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 257 | $174 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 792 | 254 |
| Famotidine | 643 | 167 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 313 | 303 |
| Omeprazole | 288 | 82 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 248 | 240 |
| Linaclotidebrand: Linzess | 219 | 62 |
| Dicyclomine Hcl | 135 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$7,930 across 71 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)
- 1331 W Avenue J Ste 202Lancaster, CA 93534Phone: (661) 529-7550Fax: (661) 520-7560
Registry dates
- Enumerated
- 2006-09-21
- Last updated
- 2019-05-24
Frequently asked questions
- What is Vivaik Tyagi's NPI number?
- Vivaik Tyagi's National Provider Identifier (NPI) is 1073612545, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vivaik Tyagi's specialty?
- Vivaik Tyagi is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Vivaik Tyagi located?
- Vivaik Tyagi's practice location on file with NPPES is 1331 W Avenue J Ste 202, Lancaster, CA 93534.
- What is Vivaik Tyagi's phone number?
- The practice phone number listed in the NPPES registry for Vivaik Tyagi is (661) 529-7550.
- Does Vivaik Tyagi accept Medicare?
- Vivaik Tyagi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vivaik Tyagi's NPI active?
- Yes — Vivaik Tyagi's NPI (1073612545) is active in the NPPES registry as of the last update on 2019-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.