NPPES file of Aug 9, 2026

Ivaylo A. Vagliarsky, M.D.

Gastroenterology Physician · Bakersfield, CA

Ivaylo A. Vagliarsky, M.D. is a gastroenterology physician with a practice address in Bakersfield, California, and NPI 1558324913, issued on Apr 7, 2006. Check the license (California A90756, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558324913
Name
Ivaylo A. Vagliarsky
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
A90756 CA
Self-reported in NPPES; status is on the state search
Practice location
1408 Commercial Way, Bakersfield, CA 93309
Phone
(661) 327-4455
Enumerated
Apr 7, 2006
Record last updated
Jul 21, 2025
Fax
(661) 633-3976
Medicaid ID
A090756 CA
Medicare enrollment
Enrolled (PECOS I20050816001165); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1408 Commercial Way

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ramesh Gupta, M.D.Specialist1174586531
  2. Geo Mathew, PA-CMedical Physician Assistant1215990205

Verify Ivaylo A. Vagliarsky in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A90756
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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65% more Medicare Part D claims than the average gastroenterology physician in 2024

1,336 Medicare Part D claims for 275 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Ivaylo Vagliarsky1,336
  2. Specialty average811

Most prescribed

  1. Pantoprazole Sodium255 claims
  2. Famotidine152 claims
  3. Omeprazole135 claims
  4. Metoclopramide Hcl80 claims
  5. Esomeprazole Magnesium72 claims
  6. Linzess69 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 90 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score70.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $2,208.01

135 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ivaylo Vagliarsky$2,208.01
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Silver Summit Medical CorporationBakersfield, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ivaylo A. Vagliarsky among 2,140 gastroenterology physician records in California

Ivaylo A. Vagliarsky, M.D. is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 48% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated1985 · median 2002 among the 1,538 with a school on file
  • Record last updated2025 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Ishaan Kalha, MDBakersfield, CA 933091295711539
  2. Robin Matuk, M.D.Bakersfield, CA 933091245320563
  3. Paramvir Rahal, MDBakersfield, CA 933111003893223
  4. Simrita Rahal, M.D.Bakersfield, CA 933111205146453
  5. Harman RahalBakersfield, CA 933111922502103
  6. Nandakumar Ravi, M.D.Bakersfield, CA 933121770554321
  7. Carlos Rodriguez, M.D.Bakersfield, CA 933061164420840
  8. Trevor Winter, MDBakersfield, CA 933061912911686

Common questions

What is Ivaylo A. Vagliarsky, M.D.'s NPI number?

Ivaylo A. Vagliarsky, M.D.'s National Provider Identifier (NPI) is 1558324913, issued on Apr 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ivaylo A. Vagliarsky, M.D. located?

The NPPES record lists a practice address at 1408 Commercial Way, Bakersfield, CA, 93309. Phone: (661) 327-4455. Providers update this record themselves, so call before visiting.

How can I verify Ivaylo A. Vagliarsky, M.D.'s license?

NPPES lists California license number A90756, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ivaylo A. Vagliarsky, M.D. prescribe under Medicare Part D?

In 2024, Ivaylo A. Vagliarsky, M.D. had 1,336 Medicare Part D claims for 275 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Ivaylo A. Vagliarsky, M.D.'s MIPS final score?

The 2023 MIPS final score is 90 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.