Dr. Redemption Galang Geronimo, MD
- Medicare services, 2024
- 165
- Medicare patients, 2024
- 57
- Part D claims, 2024
- 3,391
- MIPS score, 2024
- 78
- Hospital affiliations
- 1
- Practice address
- 138 N Harvard Ave, Claremont, CA 91711
- Practice phone
- Call (909) 624-4503
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chaparral Medical Group Inc
Claremont, California
Find Dr. Geronimo's professional email, personal email and mobile number
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Dr. Redemption Galang Geronimo is an internist in Claremont, California
Dr. Geronimo practices at Chaparral Medical Group Inc in Claremont, California.
Dr. Geronimo's NPI, 1497723803, was assigned on March 10, 2006. Dr. Geronimo holds California license C42821.
- NPI
- 1497723803NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7113966318
- NPI enumeration date
- March 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (909) 624-4503
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 77
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Redemption Galang Geronimo practices at Chaparral Medical Group Inc in Claremont, California
Dr. Geronimo's primary practice is Chaparral Medical Group Inc, at 138 N Harvard Ave, Claremont, CA 91711 in Los Angeles County. The practice phone is (909) 624-4503.
- Chaparral Medical Group Inc138 N Harvard Ave, Claremont, CA 91711 · Los Angeles CountyPhone(909) 624-4503
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Redemption Galang Geronimo is affiliated with 4 sites of care and 2 medical groups
Dr. Geronimo's primary practice is Chaparral Medical Group Inc in Claremont, California. Dr. Geronimo is also affiliated with Pomona Valley Hospital Medical Center. The medical group on file is Chaparral Medical Group. Dmand AI also links Dr. Geronimo to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Redemption Galang Geronimo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Geronimo practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chaparral Medical Group Inc | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Redemption Galang Geronimo is one of 16,751 internists in California
Internal medicine is Dr. Geronimo's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Geronimo is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Geronimo
Counts of internists 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. Redemption Galang Geronimo billed Medicare for 165 services in 2024
CMS data shows 165 Medicare services from Dr. Geronimo across 6 procedure codes in 2024, for 57 Medicare patients. Medicare paid $15,014 for them. Every service was in an office.
Dr. Geronimo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1412024: 1336%
- Tests and treatments
- 2023: 112024: 1645%
- Other services
- 2023: 02024: 16
Dr. Geronimo compared with the California median for internists, 2024
- Dr. Geronimo
- California median
- Medicare services
- 165vs 36154% below
- Medicare patients
- 57vs 15162% below
- Part D claims
- 2,917vs 4216.9 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Geronimo'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. Redemption Galang Geronimo treated 57 Medicare patients in 2024, average age 73
CMS counts 57 Medicare patients who saw Dr. Geronimo in 2024. The largest group is 65 to 74, with 26 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 1.55, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Geronimo's median patient age at 68, with 65% women.
Dr. Geronimo's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Geronimo's Medicare patients by sex, 2024
- Women3765%
- Men2035%
Chronic conditions among Dr. Geronimo's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes72%
- Arthritis51%
- Chronic kidney disease49%
- Ischemic heart disease46%
- Anxiety30%
- Heart failure30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Geronimo's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women65%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Redemption Galang Geronimo wrote 3,391 Medicare Part D claims in 2024
In 2024, Dr. Geronimo wrote 3,391 Medicare Part D claims for 242 patients. 92% of them were for generic drugs. CMS names the drug for 2,917 of them, across 60 drugs with 11 or more claims each, at $125,103 in total drug cost. In 2023, CMS named 2,731 claims across 55 drugs.
Dr. Geronimo's Part D claims by kind of drug, 2024
- Generic3,116 claims92%
- Brand-name258 claims8%
- Other17 claims1%
Dr. Geronimo's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Geronimo's Part D claims, 2024
- Antibiotics3%97 of 3,391 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,7312024: 2,9177%
Drugs named by CMS: 60 in 2024, 55 in 2023.
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
Dr. Redemption Galang Geronimo scored 78 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 78 out of 100 for Dr. Geronimo for performance year 2024, reported as part of a group. Dr. Geronimo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Geronimo as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Geronimo's MIPS scores, performance year 2024
- 78of 100Final score
- 40.9of 100Quality
- 75of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Redemption Galang Geronimo received $2,520 in industry payments from 2016 to 2025
CMS Open Payments shows 92 general payments to Dr. Geronimo from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $586.
General payments to Dr. Geronimo by program year, 2016 to 2025
Companies that paid Dr. Geronimo the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Redemption Galang Geronimo's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Redemption Galang Geronimo
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What is Dr. Redemption Galang Geronimo's NPI number?
Dr. Redemption Galang Geronimo's NPI number is 1497723803. It was assigned on March 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Redemption Galang Geronimo?
Dr. Redemption Galang Geronimo is an internist in Claremont, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Redemption Galang Geronimo practice?
Dr. Geronimo practices at 138 N Harvard Ave, Claremont, CA 91711. Dr. Geronimo's primary practice is Chaparral Medical Group Inc in Claremont, California. Dmand AI also links Dr. Geronimo to 2 group practices and clinics and 1 medical group.
What is Dr. Redemption Galang Geronimo's office phone number?
The practice phone on file for Dr. Geronimo is (909) 624-4503.
What is Dr. Redemption Galang Geronimo's medical license number?
Dr. Geronimo holds California license C42821.
Which hospitals is Dr. Redemption Galang Geronimo affiliated with?
Dr. Geronimo is affiliated with Pomona Valley Hospital Medical Center.
What medical group is Dr. Redemption Galang Geronimo part of?
Dr. Geronimo is linked to Chaparral Medical Group. Dmand AI links Dr. Geronimo to 1 more medical group.
Does Dr. Redemption Galang Geronimo accept Medicare?
Yes. CMS data shows Dr. Geronimo billed Medicare for 165 services in 2024, and Dr. Geronimo accepts Medicare assignment.
Does Dr. Redemption Galang Geronimo offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Geronimo as offering telehealth services.
What is Dr. Redemption Galang Geronimo's MIPS score?
Dr. Geronimo's MIPS final score for performance year 2024 is 78 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Redemption Galang Geronimo see?
CMS counts 57 Medicare patients who saw Dr. Geronimo in 2024, with an average age of 73.
What services does Dr. Redemption Galang Geronimo bill to Medicare?
In 2024, Dr. Geronimo's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, established patient (99213).
What drugs does Dr. Redemption Galang Geronimo prescribe most?
In 2024 Medicare Part D data, Dr. Geronimo's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Metformin HCl.
Has Dr. Redemption Galang Geronimo received payments from drug or device companies?
CMS Open Payments shows $2,520 in general payments to Dr. Geronimo from 28 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Redemption Galang Geronimo been practicing?
Dr. Geronimo graduated from medical school in 1975, 51 years ago.
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