NPPES file of Aug 9, 2026

Erick H. Alayo, M.D.

Gastroenterology Physician · Chula Vista, CA

Erick H. Alayo, M.D. is a gastroenterology physician with a practice address in Chula Vista, California, and NPI 1841454758, issued on Jul 10, 2008. Check the license (California A107506, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841454758
Name
Erick H. Alayo
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
A107506 CA
036-113338 IL
Self-reported in NPPES; status is on the state search
Practice location
587 3RD Ave, Chula Vista, CA 91910
Phone
(619) 382-3315
Enumerated
Jul 10, 2008
Record last updated
Feb 25, 2023
Fax
(619) 585-0166
Medicare enrollment
Enrolled (PECOS I20090912000165); 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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Verify Erick H. Alayo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A107506
    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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3.1 times the Medicare Part D claims of the average gastroenterology physician in 2024

2,499 Medicare Part D claims for 1,055 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Erick Alayo2,499
  2. Specialty average811

Most prescribed

  1. Omeprazole455 claims
  2. Gavilyte-G408 claims
  3. Trulance282 claims
  4. Peg-3350 And Electrolytes233 claims
  5. Linzess217 claims
  6. Famotidine195 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.

Industry payments in 2024: $4,864.99

59 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. 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. Erick Alayo$4,864.99
  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.

Erick H. Alayo among 2,140 gastroenterology physician records in California

Erick H. Alayo, 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 2008, is newer than 63% of them.

  • NPI issued2008 · 63% of these records are older, 31% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2000 · median 2002 among the 1,538 with a school on file
  • Record last updated2023 · 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. Ivan Cubas, MDChula Vista, CA 919101447464912
  2. John Duque, M.D.Chula Vista, CA 919101295710747
  3. Mark Johnson, M.D.Chula Vista, CA 919101861421372
  4. Gregory Wiener, M.DChula Vista, CA 919101811099534
  5. Steven Brozinsky, M.D.Chula Vista, CA 919111649266834
  6. Errol Korn, M.D.Chula Vista, CA 919111922041052
  7. Edward Singer, M.D.Chula Vista, CA 919111679569743
  8. Mohammad Soleimanpour, M.D.La Mesa, CA 919411194714527

Common questions

What is Erick H. Alayo, M.D.'s NPI number?

Erick H. Alayo, M.D.'s National Provider Identifier (NPI) is 1841454758, issued on Jul 10, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Erick H. Alayo, M.D. located?

The NPPES record lists a practice address at 587 3RD Ave, Chula Vista, CA, 91910. Phone: (619) 382-3315. Providers update this record themselves, so call before visiting.

How can I verify Erick H. Alayo, M.D.'s license?

NPPES lists California license number A107506, 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 Erick H. Alayo, M.D. prescribe under Medicare Part D?

In 2024, Erick H. Alayo, M.D. had 2,499 Medicare Part D claims for 1,055 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

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.