Dr. John Ryan Marlin, MD
- Medicare services, 2021
- 1,125
- Part D claims, 2024
- 82
- Hospital affiliations
- 1
- Industry payments
- $487
- Medical groups
- 2
- Practice address
- 1501 E 3rd St, Delta, CO 81416
- Practice phone
- Call (970) 874-7681
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Marlin's professional email, personal email and mobile number
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Dr. John Ryan Marlin is a family medicine physician in Delta, Colorado
Dr. Marlin practices at Delta Health in Delta, Colorado, part of Delta Health.
Dr. Marlin's NPI, 1598846370, was assigned on October 18, 2006. Dr. Marlin graduated from Oregon Health Sciences University School of Medicine in 2005. Dr. Marlin holds Colorado license 44832.
- NPI
- 1598846370NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456415637
- NPI enumeration date
- October 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (970) 874-7681
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Ryan Marlin practices at Delta Health in Delta, Colorado
Dr. Marlin's primary practice is Delta Health, at 1501 E 3rd St, Delta, CO 81416 in Delta County. The practice phone is (970) 874-7681.
- Delta Health1501 E 3rd St, Delta, CO 81416 · Delta CountyPhone(970) 874-7681
Source: Dmand AI Affiliation Data
Dr. John Ryan Marlin is affiliated with 2 sites of care and 2 medical groups
Dr. Marlin's primary practice is Delta Health in Delta, Colorado, part of Delta Health. The medical group on file is Delta Health. Dmand AI also links Dr. Marlin to 1 more group practice or clinic and 1 medical group, each named with a free account. Dr. Marlin's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Ryan Marlin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marlin practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Delta Health | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Delta Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Ryan Marlin is one of 2,952 family medicine physicians in Colorado
Family medicine is Dr. Marlin's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Marlin is licensed in Colorado.
Specialties and state licenses
- Family medicine, ColoradoPrimary
Family medicine physicians near Dr. Marlin
Counts of family medicine physicians 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 Ryan Marlin billed Medicare for 1,125 services in 2021
CMS data shows 1,125 Medicare services from Dr. Marlin across 22 procedure codes in 2021. Medicare paid $55,931 for them.
Dr. Marlin's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 4912021: 61124%
- Surgery
- 2020: 1892021: 2037%
- Lab and pathology
- 2020: 1012021: 13231%
- Tests and treatments
- 2020: 1012021: 1032%
- Other services
- 2020: 992021: 7623%
Where Dr. Marlin's Medicare services took place, 2021
- In an office1,10398%
- In a facility222%
Dr. Marlin compared with the Colorado median for family medicine physicians, 2021
- Dr. Marlin
- Colorado median
- Medicare services
- 1,125vs 2724.1 times
- Part D claims
- 11vs 68098% below
Medians across 2,975 family medicine physicians in Colorado with Dmand AI profiles that report each measure.
Dr. Marlin'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marlin and other family medicine physicians in Colorado.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Ryan Marlin's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Dr. Marlin's median patient age at 71, with 54% women.
Dr. Marlin'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
- Women54%
- Men46%
Source: Dmand AI Patient Panel Data
Dr. John Ryan Marlin wrote 82 Medicare Part D claims in 2024
In 2024, Dr. Marlin wrote 82 Medicare Part D claims for 32 patients. 91% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $324 in total drug cost. In 2023, CMS named 94 claims across 6 drugs.
Dr. Marlin's Part D claims by kind of drug, 2024
- Generic75 claims91%
- Brand-name and other7 claims9%
Dr. Marlin'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. Marlin's Part D claims, 2024
- Antibiotics26%21 of 82 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: 942024: 1188%
Drugs named by CMS: 1 in 2024, 6 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 Ryan Marlin takes part in Medicare
Dr. Marlin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. John Ryan Marlin received $487 in industry payments from 2017 to 2025
CMS Open Payments shows 28 general payments to Dr. Marlin from 8 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $137.
General payments to Dr. Marlin by program year, 2017 to 2025
Companies that paid Dr. Marlin the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Ryan Marlin graduated from Oregon Health Sciences University School of Medicine
Dr. Marlin graduated from Oregon Health Sciences University School of Medicine in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Ryan Marlin'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)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)Doctors and Clinicians Utilization Data (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 Ryan Marlin
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 Ryan Marlin's NPI number?
Dr. John Ryan Marlin's NPI number is 1598846370. It was assigned on October 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Ryan Marlin?
Dr. John Ryan Marlin is a family medicine physician in Delta, Colorado. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. John Ryan Marlin practice?
Dr. Marlin practices at 1501 E 3rd St, Delta, CO 81416. Dr. Marlin's primary practice is Delta Health in Delta, Colorado, part of Delta Health. Dmand AI also links Dr. Marlin to 1 group practice or clinic and 1 medical group.
What is Dr. John Ryan Marlin's office phone number?
The practice phone on file for Dr. Marlin is (970) 874-7681.
What is Dr. John Ryan Marlin's medical license number?
Dr. Marlin holds Colorado license 44832.
Which hospitals is Dr. John Ryan Marlin affiliated with?
Dr. Marlin practices at Delta Health in Delta, Colorado.
What medical group is Dr. John Ryan Marlin part of?
Dr. Marlin is linked to Delta Health. Dmand AI links Dr. Marlin to 1 more medical group.
Does Dr. John Ryan Marlin accept Medicare?
Yes. CMS data shows Dr. Marlin billed Medicare for 1,125 services in 2021, and Dr. Marlin accepts Medicare assignment.
What services does Dr. John Ryan Marlin bill to Medicare?
In 2021, Dr. Marlin's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and surgery: skin and soft tissue (17003).
Where did Dr. John Ryan Marlin go to medical school?
Dr. Marlin graduated from Oregon Health Sciences University School of Medicine in 2005.
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What drugs does Dr. John Ryan Marlin prescribe most?
In 2024 Medicare Part D data, Dr. Marlin's most prescribed drugs by claims were Losartan Potassium.
Has Dr. John Ryan Marlin received payments from drug or device companies?
CMS Open Payments shows $487 in general payments to Dr. Marlin from 8 companies from 2017 to 2025. The largest total came from Abbvie Inc.
How long has Dr. John Ryan Marlin been practicing?
Dr. Marlin graduated from medical school in 2005, 21 years ago.
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