Dr. John Patrick Marino, MD
- Medicare services, 2024
- 915
- Medicare patients, 2024
- 119
- Part D claims, 2024
- 8,065
- Hospital affiliations
- 2
- Industry payments
- $5,307
- Practice address
- 6651 Chippewa St, Saint Louis, MO 63109
- Practice phone
- Call (314) 842-5670
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
John P Marino MD
Saint Louis, Missouri
Find Dr. Marino's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John Patrick Marino is an internist in Saint Louis, Missouri
Dr. Marino practices at John P Marino MD in Saint Louis, Missouri.
Dr. Marino's NPI, 1922112523, was assigned on August 19, 2006. Dr. Marino graduated from Saint Louis University School of Medicine in 1980. Dr. Marino holds Missouri license R2C27.
- NPI
- 1922112523NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436288776
- NPI enumeration date
- August 19, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 842-5670
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Patrick Marino practices at John P Marino MD in Saint Louis, Missouri
Dr. Marino's primary practice is John P Marino MD, at 6651 Chippewa St, Saint Louis, MO 63109 in Saint Louis City. The practice phone is (314) 842-5670.
- John P Marino MD6651 Chippewa St, Saint Louis, MO 63109 · Saint Louis CityPhone(314) 842-5670
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Patrick Marino is affiliated with 4 sites of care
Dr. Marino's primary practice is John P Marino MD in Saint Louis, Missouri. Dr. Marino is also affiliated with Mercy Hospital St. Louis. Dmand AI also links Dr. Marino to 1 more hospital and 1 physician office, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Patrick Marino's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marino practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John P Marino MD | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Patrick Marino is one of 2,114 internists in Missouri
Internal medicine is Dr. Marino's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Marino is licensed in Missouri.
Specialties and state licenses
- Internal medicine, MissouriPrimary
Internists near Dr. Marino
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. John Patrick Marino billed Medicare for 915 services in 2024
CMS data shows 915 Medicare services from Dr. Marino across 5 procedure codes in 2024, for 119 Medicare patients. Medicare paid $37,063 for them. Every service was in an office.
Dr. Marino's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4462024: 4079%
- Surgery
- 2023: 2722024: 2585%
- Lab and pathology
- 2023: 1922024: 16116%
- Other services
- 2023: 942024: 895%
Dr. Marino compared with the Missouri median for internists, 2024
- Dr. Marino
- Missouri median
- Medicare services
- 915vs 53073% above
- Medicare patients
- 119vs 21144% below
- Part D claims
- 7,474vs 32523.0 times
Medians across 2,076 internists in Missouri with Dmand AI profiles that report each measure.
Dr. Marino'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.
Need commercial claims for Dr. Marino?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marino and other internists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Patrick Marino treated 119 Medicare patients in 2024, average age 76
CMS counts 119 Medicare patients who saw Dr. Marino in 2024. The largest group is 65 to 74, with 50 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.05, 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. Marino's median patient age at 70, with 39% women.
Dr. Marino's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Marino's Medicare patients by sex, 2024
- Women5748%
- Men6252%
Chronic conditions among Dr. Marino's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis74%
- Chronic kidney disease51%
- Ischemic heart disease50%
- Diabetes47%
- Heart failure45%
- COPD39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marino's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women39%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Patrick Marino wrote 8,065 Medicare Part D claims in 2024
In 2024, Dr. Marino wrote 8,065 Medicare Part D claims for 346 patients. 88% of them were for generic drugs. CMS names the drug for 7,474 of them, across 114 drugs with 11 or more claims each, at $590,707 in total drug cost. In 2023, CMS named 7,780 claims across 117 drugs.
Dr. Marino's Part D claims by kind of drug, 2024
- Generic7,097 claims88%
- Brand-name902 claims11%
- Other66 claims1%
Dr. Marino'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. Marino's Part D claims, 2024
- Opioids4%347 of 8,065 claims
- Antibiotics2%132 of 8,065 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: 7,7802024: 7,4744%
Drugs named by CMS: 114 in 2024, 117 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
How Dr. John Patrick Marino takes part in Medicare
Dr. Marino accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. John Patrick Marino received $5,307 in industry payments from 2016 to 2025
CMS Open Payments shows 247 general payments to Dr. Marino from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. AstraZeneca Pharmaceuticals LP paid the most, $1,005.
General payments to Dr. Marino by program year, 2016 to 2025
General payments to Dr. Marino by kind, 2016 to 2025
- Food and beverage$5,27399%
- Travel and lodging$341%
Companies that paid Dr. Marino the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Patrick Marino graduated from Saint Louis University School of Medicine
Dr. Marino graduated from Saint Louis University School of Medicine in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Patrick Marino'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 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 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) |
| 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. John Patrick Marino
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. John Patrick Marino's NPI number?
Dr. John Patrick Marino's NPI number is 1922112523. It was assigned on August 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Patrick Marino?
Dr. John Patrick Marino is an internist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. John Patrick Marino practice?
Dr. Marino practices at 6651 Chippewa St, Saint Louis, MO 63109. Dr. Marino's primary practice is John P Marino MD in Saint Louis, Missouri. Dmand AI also links Dr. Marino to 1 hospital and 1 physician office.
What is Dr. John Patrick Marino's office phone number?
The practice phone on file for Dr. Marino is (314) 842-5670.
What is Dr. John Patrick Marino's medical license number?
Dr. Marino holds Missouri license R2C27.
Which hospitals is Dr. John Patrick Marino affiliated with?
Dr. Marino is affiliated with Mercy Hospital St. Louis. Dmand AI links Dr. Marino to 1 more hospital.
Does Dr. John Patrick Marino accept Medicare?
Yes. CMS data shows Dr. Marino billed Medicare for 915 services in 2024, and Dr. Marino accepts Medicare assignment.
How many Medicare patients does Dr. John Patrick Marino see?
CMS counts 119 Medicare patients who saw Dr. Marino in 2024, with an average age of 76.
What services does Dr. John Patrick Marino bill to Medicare?
In 2024, Dr. Marino's most billed Medicare services were office visit, established patient (99213), surgery: heart and blood vessels (36415) and lab and pathology test (82962).
Where did Dr. John Patrick Marino go to medical school?
Dr. Marino graduated from Saint Louis University School of Medicine in 1980.
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What drugs does Dr. John Patrick Marino prescribe most?
In 2024 Medicare Part D data, Dr. Marino's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
Has Dr. John Patrick Marino received payments from drug or device companies?
CMS Open Payments shows $5,307 in general payments to Dr. Marino from 25 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. John Patrick Marino been practicing?
Dr. Marino graduated from medical school in 1980, 46 years ago.
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