Dr. Mainor R. Antillon-Galdamez, MD
- Medicare services, 2024
- 52
- Medicare patients, 2024
- 64
- Part D claims, 2024
- 31
- Industry payments
- $807
- Medical group
- 1
- Practice address
- 707 S Garfield Ave, Alhambra, CA 91801
- Practice phone
- Call (626) 872-0347
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Concourse Diagnostic Surgery Center, LLC
Alhambra, California
Find Dr. Antillon-Galdamez's professional email, personal email and mobile number
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Dr. Mainor R. Antillon-Galdamez is a gastroenterologist in Alhambra, California
Dr. Antillon-Galdamez practices at Concourse Diagnostic Surgery Center, LLC in Alhambra, California.
Dr. Antillon-Galdamez's NPI, 1215962873, was assigned on July 12, 2006. Dr. Antillon-Galdamez holds Wisconsin license 67158.
- NPI
- 1215962873NPI Registry (opens in a new tab)
- NPI enumeration date
- July 12, 2006
- NPI status
- Active
- Practice phone
- (626) 872-0347
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Mainor R. Antillon-Galdamez practices at Concourse Diagnostic Surgery Center, LLC in Alhambra, California
Dr. Antillon-Galdamez's primary practice is Concourse Diagnostic Surgery Center, LLC, at 707 S Garfield Ave, Alhambra, CA 91801 in Los Angeles County. The practice phone is (626) 872-0347.
- Concourse Diagnostic Surgery Center, LLC707 S Garfield Ave, Alhambra, CA 91801 · Los Angeles CountyPhone(626) 872-0347
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mainor R. Antillon-Galdamez is affiliated with 1 site of care and 1 medical group
Dr. Antillon-Galdamez's primary practice is Concourse Diagnostic Surgery Center, LLC in Alhambra, California. The medical group on file is Global Gastroenterology Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mainor R. Antillon-Galdamez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Antillon-Galdamez practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Concourse Diagnostic Surgery Center, LLC | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mainor R. Antillon-Galdamez is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Antillon-Galdamez's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Antillon-Galdamez's licenses on file in 2 states: Wisconsin and Michigan.
Specialties and state licenses
- Gastroenterology, WisconsinPrimary
- Michigan license
Gastroenterologists near Dr. Antillon-Galdamez
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. Mainor R. Antillon-Galdamez billed Medicare for 52 services in 2024
CMS data shows 52 Medicare services from Dr. Antillon-Galdamez across 3 procedure codes in 2024, for 64 Medicare patients. Medicare paid $5,871 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Antillon-Galdamez's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 582024: 5210%
- Office and hospital visits
- 2023: 142024: 0100%
Dr. Antillon-Galdamez compared with the California median for gastroenterologists, 2024
- Dr. Antillon-Galdamez
- California median
- Medicare services
- 52vs 58691% below
- Medicare patients
- 64vs 30279% below
- Part D claims
- 25vs 38093% below
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
Dr. Antillon-Galdamez's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mainor R. Antillon-Galdamez treated 64 Medicare patients in 2024, average age 71
CMS counts 64 Medicare patients who saw Dr. Antillon-Galdamez in 2024. The largest group is 65 to 74, with 49 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 81% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Antillon-Galdamez's median patient age at 62, with 33% women.
Dr. Antillon-Galdamez's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Antillon-Galdamez's Medicare patients by sex, 2024
- Women3352%
- Men3148%
Chronic conditions among Dr. Antillon-Galdamez's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes55%
- Osteoporosis39%
- Arthritis38%
- Chronic kidney disease36%
- Ischemic heart disease25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Antillon-Galdamez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women33%
- Men67%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mainor R. Antillon-Galdamez wrote 31 Medicare Part D claims in 2024
In 2024, Dr. Antillon-Galdamez wrote 31 Medicare Part D claims. 97% of them were for generic drugs. CMS names the drug for 25 of them, across 2 drugs with 11 or more claims each, at $6,129 in total drug cost. In 2021, CMS named 11 claims across 1 drug.
Dr. Antillon-Galdamez's Part D claims by kind of drug, 2024
- Generic30 claims97%
- Brand-name and other1 claims3%
Dr. Antillon-Galdamez'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: 112022: 25127%
Drugs named by CMS: 2 in 2022, 1 in 2021.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Mainor R. Antillon-Galdamez received $807 in industry payments from 2016 to 2023
CMS Open Payments shows 21 general payments to Dr. Antillon-Galdamez from 6 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Covidien LP paid the most, $292.
General payments to Dr. Antillon-Galdamez by program year, 2016 to 2023
Companies that paid Dr. Antillon-Galdamez the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mainor R. Antillon-Galdamez'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Mainor R. Antillon-Galdamez
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. Mainor R. Antillon-Galdamez's NPI number?
Dr. Mainor R. Antillon-Galdamez's NPI number is 1215962873. It was assigned on July 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mainor R. Antillon-Galdamez?
Dr. Mainor R. Antillon-Galdamez is a gastroenterologist in Alhambra, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Mainor R. Antillon-Galdamez practice?
Dr. Antillon-Galdamez practices at 707 S Garfield Ave, Alhambra, CA 91801. Dr. Antillon-Galdamez's primary practice is Concourse Diagnostic Surgery Center, LLC in Alhambra, California.
What is Dr. Mainor R. Antillon-Galdamez's office phone number?
The practice phone on file for Dr. Antillon-Galdamez is (626) 872-0347.
What is Dr. Mainor R. Antillon-Galdamez's medical license number?
Dr. Antillon-Galdamez holds Wisconsin license 67158, one of the licenses on file in 2 states.
Which states has Dr. Mainor R. Antillon-Galdamez been licensed in?
Dmand AI has state licenses on file for Dr. Antillon-Galdamez in Wisconsin and Michigan.
What medical group is Dr. Mainor R. Antillon-Galdamez part of?
Dr. Antillon-Galdamez is linked to Global Gastroenterology Group.
Does Dr. Mainor R. Antillon-Galdamez accept Medicare?
Yes. CMS data shows Dr. Antillon-Galdamez billed Medicare for 52 services in 2024.
How many Medicare patients does Dr. Mainor R. Antillon-Galdamez see?
CMS counts 64 Medicare patients who saw Dr. Antillon-Galdamez in 2024, with an average age of 71.
What services does Dr. Mainor R. Antillon-Galdamez bill to Medicare?
In 2024, Dr. Antillon-Galdamez's most billed Medicare services were surgery: digestive system (45380), surgery: digestive system (43239) and surgery: digestive system (45378).
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What drugs does Dr. Mainor R. Antillon-Galdamez prescribe most?
In 2022 Medicare Part D data, Dr. Antillon-Galdamez's most prescribed drugs by claims were Clopidogrel and Linzess.
Has Dr. Mainor R. Antillon-Galdamez received payments from drug or device companies?
CMS Open Payments shows $807 in general payments to Dr. Antillon-Galdamez from 6 companies from 2016 to 2023. The largest total came from Covidien LP.
How long has Dr. Mainor R. Antillon-Galdamez been practicing?
Dr. Antillon-Galdamez graduated from medical school in 1978, 48 years ago.
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