Dr. Gladys Patricia Ayala, MD
- Medicare services, 2021
- 646
- Part D claims, 2022
- 14
- Publications
- 1
- Industry payments
- $405
- Affiliated sites
- 1
- Practice address
- 150 Muir Rd, Martinez, CA 94553
- Practice phone
- Call (702) 341-3020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Martinez VA Medical Center
VA Clinic / Health Facility · Martinez, California
Find Dr. Ayala's professional email, personal email and mobile number
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Dr. Gladys Patricia Ayala is a gastroenterologist in Martinez, California
Dr. Ayala practices at Martinez VA Medical Center in Martinez, California.
Dr. Ayala's NPI, 1396990412, was assigned on November 18, 2008. Dr. Ayala graduated from Albany Medical College in 2007. Dr. Ayala's Florida license number on file is ME118404.
- NPI
- 1396990412NPI Registry (opens in a new tab)
- NPI enumeration date
- November 18, 2008
- NPI status
- Active
- Practice phone
- (702) 341-3020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gladys Patricia Ayala practices at Martinez VA Medical Center in Martinez, California
Dr. Ayala's primary practice is Martinez VA Medical Center, at 150 Muir Rd, Martinez, CA 94553. The practice phone is (702) 341-3020.
- Martinez VA Medical Center150 Muir Rd, Martinez, CA 94553Phone(702) 341-3020
Source: Dmand AI Affiliation Data
Dr. Gladys Patricia Ayala is affiliated with 1 site of care
Dr. Ayala's primary practice is Martinez VA Medical Center in Martinez, California. Dr. Ayala's employer is on file too: a government & correctional health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gladys Patricia Ayala's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ayala practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Martinez VA Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gladys Patricia Ayala is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Ayala's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Ayala is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Ayala's licenses on file in 2 states: Florida and California.
Specialties and state licenses
- Gastroenterology, FloridaPrimary
- California license
Gastroenterologists near Dr. Ayala
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Gladys Patricia Ayala billed Medicare for 646 services in 2021
CMS data shows 646 Medicare services from Dr. Ayala across 10 procedure codes in 2021. Medicare paid $74,848 for them.
Dr. Ayala's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 1642021: 364122%
- Surgery
- 2020: 822021: 271230%
- Other services
- 2020: 02021: 11
Where Dr. Ayala's Medicare services took place, 2021
- In an office36456%
- In a facility28244%
Dr. Ayala compared with the California median for gastroenterologists, 2021
- Dr. Ayala
- California median
- Medicare services
- 646vs 58610% above
- Part D claims
- 14vs 38096% below
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
Dr. Ayala's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Ayala?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ayala and other gastroenterologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gladys Patricia Ayala's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Dr. Ayala's median patient age at 71, with 33% women.
Dr. Ayala's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Dr. Gladys Patricia Ayala wrote 14 Medicare Part D claims in 2022
In 2022, Dr. Ayala wrote 14 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $244 in total drug cost. In 2021, CMS named 344 claims across 8 drugs.
Dr. Ayala's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 3442022: 1496%
Drugs named by CMS: 1 in 2022, 8 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Gladys Patricia Ayala has 1 publication on record
Dmand AI links 1 paper to Dr. Ayala in 2018. Dr. Ayala's most frequent co-author is Eugene R. Schiff, MD.
Dr. Ayala's most frequent co-authors
Recent publications by Dr. Ayala
See who Dr. Ayala researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ayala works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gladys Patricia Ayala received $405 in industry payments from 2017 to 2024
CMS Open Payments shows 15 general payments to Dr. Ayala from 7 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 94% of the total. Abbvie Inc. paid the most, $97.
General payments to Dr. Ayala by program year, 2017 to 2024
General payments to Dr. Ayala by kind, 2017 to 2024
- Food and beverage$38194%
- Gifts$246%
Companies that paid Dr. Ayala the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gladys Patricia Ayala graduated from Albany Medical College
Dr. Ayala graduated from Albany Medical College in 2007.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Sources for Dr. Gladys Patricia Ayala's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Gladys Patricia Ayala
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Gladys Patricia Ayala's NPI number?
Dr. Gladys Patricia Ayala's NPI number is 1396990412. It was assigned on November 18, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Gladys Patricia Ayala?
Dr. Gladys Patricia Ayala is a gastroenterologist in Martinez, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Gladys Patricia Ayala practice?
Dr. Ayala practices at 150 Muir Rd, Martinez, CA 94553. Dr. Ayala's primary practice is Martinez VA Medical Center in Martinez, California.
What is Dr. Gladys Patricia Ayala's office phone number?
The practice phone on file for Dr. Ayala is (702) 341-3020.
What is Dr. Gladys Patricia Ayala's medical license number?
Dr. Ayala's Florida license number on file is ME118404, one of the licenses on file in 2 states.
Which states has Dr. Gladys Patricia Ayala been licensed in?
Dmand AI has state licenses on file for Dr. Ayala in Florida (2013 to 2020) and California (2018 to 2025).
Does Dr. Gladys Patricia Ayala accept Medicare?
Yes. CMS data shows Dr. Ayala billed Medicare for 646 services in 2021.
Is Dr. Gladys Patricia Ayala board certified?
Yes. Dr. Ayala is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. Gladys Patricia Ayala bill to Medicare?
In 2021, Dr. Ayala's most billed Medicare services were office visit, established patient (99214), surgery: digestive system (45380) and office visit, established patient (99213).
Where did Dr. Gladys Patricia Ayala go to medical school?
Dr. Ayala graduated from Albany Medical College in 2007.
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What drugs does Dr. Gladys Patricia Ayala prescribe most?
In 2022 Medicare Part D data, Dr. Ayala's most prescribed drugs by claims were Omeprazole.
Has Dr. Gladys Patricia Ayala received payments from drug or device companies?
CMS Open Payments shows $405 in general payments to Dr. Ayala from 7 companies from 2017 to 2024. The largest total came from Abbvie Inc.
How long has Dr. Gladys Patricia Ayala been practicing?
Dr. Ayala graduated from medical school in 2007, 19 years ago.
Does Dr. Gladys Patricia Ayala do research?
Dmand AI links 1 publication to Dr. Ayala.
Who does Dr. Gladys Patricia Ayala publish with?
Dr. Ayala's most frequent co-authors are Eugene R. Schiff, MD (1 shared paper).
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