Dr. Ryan L. Ko, MD
- Medicare services, 2024
- 277
- Medicare patients, 2024
- 145
- Part D claims, 2017
- 76
- MIPS score, 2024
- 92
- Hospital affiliations
- 1
- Practice address
- 2823 Fresno Street, Fresno, CA 93721
- Practice phone
- Call (559) 459-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ko's professional email, personal email and mobile number
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Dr. Ryan L. Ko is an internist in Fresno, California
Dr. Ko practices at Community Regional Medical Center in Fresno, California, part of Community Health System.
Dr. Ko's NPI, 1609207281, was assigned on December 6, 2013. Dr. Ko graduated from University Institute of Medicine 1 in 1999. Dr. Ko's California license number on file is A128029.
- NPI
- 1609207281NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133349343
- NPI enumeration date
- December 6, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (559) 459-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ryan L. Ko practices at Community Regional Medical Center in Fresno, California
Dr. Ko's primary practice is Community Regional Medical Center, at 2823 Fresno Street, Fresno, CA 93721 in Fresno County. The practice phone is (559) 459-6000.
- Community Regional Medical Center2823 Fresno Street, Fresno, CA 93721 · Fresno CountyPhone(559) 459-6000
Source: Dmand AI Affiliation Data
Dr. Ryan L. Ko is affiliated with 2 sites of care and 1 medical group
Dr. Ko's primary practice is Community Regional Medical Center in Fresno, California, part of Community Health System. The medical group on file is Community Health Partners. Dmand AI also links Dr. Ko to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ryan L. Ko's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ko practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Community Regional Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ryan L. Ko is one of 16,751 internists in California
Internal medicine is Dr. Ko's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Ko is board certified in internal medicine by the American Board of Internal Medicine. Dr. Ko has a license on file in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Ko
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. Ryan L. Ko billed Medicare for 277 services in 2024
CMS data shows 277 Medicare services from Dr. Ko across 3 procedure codes in 2024, for 145 Medicare patients. Medicare paid $21,793 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ko's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1372024: 1477%
- Other services
- 2023: 1882024: 13031%
Dr. Ko compared with the California median for internists, 2024
- Dr. Ko
- California median
- Medicare services
- 277vs 36123% below
- Medicare patients
- 145vs 151Close to median
- Part D claims
- 76vs 42182% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Ko'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. Ko and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ryan L. Ko treated 145 Medicare patients in 2024, average age 72
CMS counts 145 Medicare patients who saw Dr. Ko in 2024. The largest group is 75 to 84, with 44 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 82% are also on Medicaid. Their average risk score is 3.83, 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. Ko's median patient age at 62, with 46% women.
Dr. Ko's Medicare patients by age, 2024
Dr. Ko's Medicare patients by sex, 2024
- Women7250%
- Men7350%
Chronic conditions among Dr. Ko's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes68%
- Ischemic heart disease52%
- Arthritis51%
- Chronic kidney disease51%
- Heart failure51%
- Anxiety39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ko'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
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ryan L. Ko wrote 76 Medicare Part D claims in 2017
In 2017, Dr. Ko wrote 76 Medicare Part D claims. They cover 5 drugs, with $518 in total drug cost. In 2016, CMS named 251 claims across 13 drugs.
Dr. Ko's most prescribed drugs by claims, 2017
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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 2512017: 7670%
Drugs named by CMS: 5 in 2017, 13 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Ryan L. Ko scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Ko for performance year 2024, reported as part of a group. Dr. Ko accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Ko's MIPS scores, performance year 2024
- 92of 100Final score
- 78.6of 100Quality
- 100of 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. Ryan L. Ko received $151 in industry payments from 2018 to 2024
CMS Open Payments shows 2 general payments to Dr. Ko from 2 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $124.
General payments to Dr. Ko by program year, 2018 to 2024
Companies that paid Dr. Ko the most, 2018 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ryan L. Ko has 1 award and honors on record
Dmand AI lists 1 award for Dr. Ko, most recently Intern of the year in 2011.
Awards and honors for Dr. Ko
- 2011
- Intern of the year
Source: Dmand AI Professional Profile Data
Dr. Ryan L. Ko graduated from University Institute of Medicine 1
Dr. Ko graduated from University Institute of Medicine 1 in 1999.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Ryan L. Ko accepts plans from 5 insurance carriers
Dr. Ko is in network with 5 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- CMS Medicare
Plan types Dr. Ko accepts, by number of carriers
- Medicare5
- PPO4
- HMO2
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Ryan L. Ko'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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Ryan L. Ko
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. Ryan L. Ko's NPI number?
Dr. Ryan L. Ko's NPI number is 1609207281. It was assigned on December 6, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Ryan L. Ko?
Dr. Ryan L. Ko is an internist in Fresno, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Ryan L. Ko practice?
Dr. Ko practices at 2823 Fresno Street, Fresno, CA 93721. Dr. Ko's primary practice is Community Regional Medical Center in Fresno, California, part of Community Health System. Dmand AI also links Dr. Ko to 1 group practice or clinic.
What is Dr. Ryan L. Ko's office phone number?
The practice phone on file for Dr. Ko is (559) 459-6000.
What is Dr. Ryan L. Ko's medical license number?
Dr. Ko's California license number on file is A128029.
Which hospitals is Dr. Ryan L. Ko affiliated with?
Dr. Ko practices at Community Regional Medical Center in Fresno, California.
What medical group is Dr. Ryan L. Ko part of?
Dr. Ko is linked to Community Health Partners.
Does Dr. Ryan L. Ko accept Medicare?
Yes. CMS data shows Dr. Ko billed Medicare for 277 services in 2024, and Dr. Ko accepts Medicare assignment.
What is Dr. Ryan L. Ko's MIPS score?
Dr. Ko's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.
How many Medicare patients does Dr. Ryan L. Ko see?
CMS counts 145 Medicare patients who saw Dr. Ko in 2024, with an average age of 72.
Show 7 more questionsShow fewer questions
Is Dr. Ryan L. Ko board certified?
Yes. Dr. Ko is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Ryan L. Ko bill to Medicare?
In 2024, Dr. Ko's most billed Medicare services were hospital inpatient care (99223), medicare service (G0316) and hospital inpatient care (99222).
Where did Dr. Ryan L. Ko go to medical school?
Dr. Ko graduated from University Institute of Medicine 1 in 1999.
What drugs does Dr. Ryan L. Ko prescribe most?
In 2017 Medicare Part D data, Dr. Ko's most prescribed drugs by claims were Pantoprazole Sodium, Atorvastatin Calcium and Hydrocodone-Acetaminophen.
Has Dr. Ryan L. Ko received payments from drug or device companies?
CMS Open Payments shows $151 in general payments to Dr. Ko from 2 companies from 2018 to 2024. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Ryan L. Ko been practicing?
Dr. Ko graduated from medical school in 1999, 27 years ago.
What insurance does Dr. Ryan L. Ko accept?
Dr. Ko is in network with 5 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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