Dr. Gregorius Resuma Penilla, MD
- Medicare services, 2024
- 861
- Medicare patients, 2024
- 196
- Part D claims, 2024
- 6,857
- Hospital affiliations
- 6
- Industry payments
- $15,848
- Practice address
- 1011 Bowles Ave, Fenton, MO 63026
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
SSM Cancer Care South Schc - HOPD
Acute Care Hospital outpatient department · Fenton, Missouri
Find Dr. Penilla's professional email, personal email and mobile number
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Dr. Gregorius Resuma Penilla is an internist in Manchester, Missouri
Dr. Penilla practices at SSM Cancer Care South Schc - HOPD in Fenton, Missouri.
Dr. Penilla's NPI, 1023024973, was assigned on July 31, 2006. Dr. Penilla holds Missouri license 36678.
- NPI
- 1023024973NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8426146192
- NPI enumeration date
- July 31, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gregorius Resuma Penilla practices in Fenton and Manchester
Dr. Penilla's primary practice is SSM Cancer Care South Schc - HOPD, at 1011 Bowles Ave, Fenton, MO 63026. Dr. Penilla also practices at SSM Health Medical Group, 14309 Manchester Rd, Manchester, MO 63011.
- SSM Cancer Care South Schc - HOPDPrimary1011 Bowles Ave, Fenton, MO 63026
- SSM Health Medical Group14309 Manchester Rd, Manchester, MO 63011 · Saint Louis CountyPhone(636) 496-5000
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Gregorius Resuma Penilla is affiliated with 8 sites of care and 1 medical group
Dr. Penilla's primary practice is SSM Cancer Care South Schc - HOPD in Fenton, Missouri. Dr. Penilla is also affiliated with Mercy Hospital St. Louis. The medical group on file is SSM Health Medical Group. Dmand AI also links Dr. Penilla to 5 more hospitals and 1 group practice or clinic, each named with a free account. Dr. Penilla's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gregorius Resuma Penilla's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Penilla practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SSM Cancer Care South Schc - HOPD | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gregorius Resuma Penilla is one of 2,114 internists in Missouri
Internal medicine is Dr. Penilla's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Penilla is licensed in Missouri.
Specialties and state licenses
- Internal medicine, MissouriPrimary
Internists near Dr. Penilla
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. Gregorius Resuma Penilla billed Medicare for 861 services in 2024
CMS data shows 861 Medicare services from Dr. Penilla across 11 procedure codes in 2024, for 196 Medicare patients. Medicare paid $63,149 for them. Every service was in an office.
Dr. Penilla's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4032024: 3854%
- Other services
- 2023: 2352024: 34748%
- Tests and treatments
- 2023: 842024: 11031%
- Imaging
- 2023: 182024: 196%
Dr. Penilla compared with the Missouri median for internists, 2024
- Dr. Penilla
- Missouri median
- Medicare services
- 861vs 53062% above
- Medicare patients
- 196vs 2117% below
- Part D claims
- 6,257vs 32519.3 times
Medians across 2,076 internists in Missouri with Dmand AI profiles that report each measure.
Dr. Penilla'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Penilla and other internists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gregorius Resuma Penilla treated 196 Medicare patients in 2024, average age 74
CMS counts 196 Medicare patients who saw Dr. Penilla in 2024. The largest group is 65 to 74, with 102 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 0.97, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Penilla's median patient age at 67, with 35% women.
Dr. Penilla's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Penilla's Medicare patients by sex, 2024
- Women9951%
- Men9749%
Chronic conditions among Dr. Penilla's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease58%
- Arthritis50%
- Anxiety24%
- Mood disorders22%
- Depression21%
- Diabetes21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Penilla's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women35%
- Men64%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gregorius Resuma Penilla wrote 6,857 Medicare Part D claims in 2024
In 2024, Dr. Penilla wrote 6,857 Medicare Part D claims for 510 patients. 89% of them were for generic drugs. CMS names the drug for 6,257 of them, across 107 drugs with 11 or more claims each, at $524,644 in total drug cost. In 2023, CMS named 5,763 claims across 99 drugs.
Dr. Penilla's Part D claims by kind of drug, 2024
- Generic6,099 claims89%
- Brand-name731 claims11%
- Other27 claims0%
Dr. Penilla'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. Penilla's Part D claims, 2024
- Opioids0%33 of 6,857 claims
- Antibiotics1%77 of 6,857 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: 5,7632024: 6,2579%
Drugs named by CMS: 107 in 2024, 99 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. Gregorius Resuma Penilla offers telehealth to Medicare patients
Dr. Penilla accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Penilla as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Gregorius Resuma Penilla received $15,848 in industry payments from 2016 to 2025
CMS Open Payments shows 117 general payments to Dr. Penilla from 17 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 61% of the total. Otsuka Pharmaceutical Development & Commercialization, Inc. paid the most, $6,235.
General payments to Dr. Penilla by program year, 2016 to 2025
General payments to Dr. Penilla by kind, 2016 to 2025
- Food and beverage$9,60761%
- Consulting fees$4,16126%
- Travel and lodging$1,86212%
- Education$2181%
Companies that paid Dr. Penilla 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. Gregorius Resuma Penilla'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 Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Gregorius Resuma Penilla
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. Gregorius Resuma Penilla's NPI number?
Dr. Gregorius Resuma Penilla's NPI number is 1023024973. It was assigned on July 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gregorius Resuma Penilla?
Dr. Gregorius Resuma Penilla is an internist in Manchester, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gregorius Resuma Penilla practice?
Dr. Penilla practices at 1011 Bowles Ave, Fenton, MO 63026. Dr. Penilla also practices at 14309 Manchester Rd, Manchester, MO 63011. Dr. Penilla's primary practice is SSM Cancer Care South Schc - HOPD in Fenton, Missouri. Dmand AI also links Dr. Penilla to 5 hospitals and 1 group practice or clinic.
What is Dr. Gregorius Resuma Penilla's medical license number?
Dr. Penilla holds Missouri license 36678.
Which hospitals is Dr. Gregorius Resuma Penilla affiliated with?
Dr. Penilla is affiliated with Mercy Hospital St. Louis. Dmand AI links Dr. Penilla to 5 more hospitals.
What medical group is Dr. Gregorius Resuma Penilla part of?
Dr. Penilla is linked to SSM Health Medical Group.
Does Dr. Gregorius Resuma Penilla accept Medicare?
Yes. CMS data shows Dr. Penilla billed Medicare for 861 services in 2024, and Dr. Penilla accepts Medicare assignment.
Does Dr. Gregorius Resuma Penilla offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Penilla as offering telehealth services.
How many Medicare patients does Dr. Gregorius Resuma Penilla see?
CMS counts 196 Medicare patients who saw Dr. Penilla in 2024, with an average age of 74.
What services does Dr. Gregorius Resuma Penilla bill to Medicare?
In 2024, Dr. Penilla's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and medicare service (G2211).
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What drugs does Dr. Gregorius Resuma Penilla prescribe most?
In 2024 Medicare Part D data, Dr. Penilla's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Losartan Potassium.
Has Dr. Gregorius Resuma Penilla received payments from drug or device companies?
CMS Open Payments shows $15,848 in general payments to Dr. Penilla from 17 companies from 2016 to 2025. The largest total came from Otsuka Pharmaceutical Development & Commercialization, Inc.
How long has Dr. Gregorius Resuma Penilla been practicing?
Dr. Penilla graduated from medical school in 1981, 45 years ago.
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