Dr. Christopher Ryan Oldaker, MD
- Medicare services, 2024
- 53
- Medicare patients, 2024
- 46
- Part D claims, 2024
- 58
- MIPS score, 2024
- 71
- Hospital affiliations
- 1
- Practice address
- 355 Bard Avenue, Staten Island, NY 10310
- Practice phone
- Call (718) 354-5047
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Oldaker's professional email, personal email and mobile number
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Dr. Christopher Ryan Oldaker is an internist in Staten Island, New York
Dr. Oldaker practices at Richmond University Medical Center in Staten Island, New York, part of Richmond University Medical Center.
Dr. Oldaker's NPI, 1508360637, was assigned on March 22, 2018. Dr. Oldaker holds New York license 327315.
- NPI
- 1508360637NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375947500
- NPI enumeration date
- March 22, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (718) 354-5047
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher Ryan Oldaker practices at Richmond University Medical Center in Staten Island, New York
Dr. Oldaker's primary practice is Richmond University Medical Center, at 355 Bard Avenue, Staten Island, NY 10310 in Richmond County. The practice phone is (718) 354-5047.
- Richmond University Medical Center355 Bard Avenue, Staten Island, NY 10310 · Richmond CountyPhone(718) 354-5047
Source: Dmand AI Affiliation Data
Dr. Christopher Ryan Oldaker is affiliated with 1 site of care and 1 medical group
Dr. Oldaker's primary practice is Richmond University Medical Center in Staten Island, New York, part of Richmond University Medical Center. The medical group on file is Amboy Medical Practice PC.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Christopher Ryan Oldaker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Oldaker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Richmond University Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Richmond University Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Christopher Ryan Oldaker is one of 9,643 internists in New York
Internal medicine is Dr. Oldaker's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Oldaker is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Oldaker
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. Christopher Ryan Oldaker billed Medicare for 53 services in 2024
CMS data shows 53 Medicare services from Dr. Oldaker across 3 procedure codes in 2024, for 46 Medicare patients. Medicare paid $5,353 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Oldaker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2872024: 5382%
Dr. Oldaker compared with the New York median for internists, 2024
- Dr. Oldaker
- New York median
- Medicare services
- 53vs 42688% below
- Medicare patients
- 46vs 15871% below
- Part D claims
- 23vs 62296% below
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Oldaker'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. Christopher Ryan Oldaker treated 46 Medicare patients in 2024, average age 76
CMS counts 46 Medicare patients who saw Dr. Oldaker in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 41% are also on Medicaid. Their average risk score is 2.81, 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. Oldaker's median patient age at 74, with 47% women.
Dr. Oldaker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Oldaker's Medicare patients by sex, 2024
- Women2554%
- Men2146%
Chronic conditions among Dr. Oldaker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Diabetes63%
- Arthritis61%
- Ischemic heart disease50%
- Anxiety41%
- Chronic kidney disease41%
- Alzheimer's and dementia39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Oldaker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women47%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher Ryan Oldaker wrote 58 Medicare Part D claims in 2024
In 2024, Dr. Oldaker wrote 58 Medicare Part D claims for 22 patients. 62% of them were for generic drugs. CMS names the drug for 23 of them, across 2 drugs with 11 or more claims each, at $283 in total drug cost.
Dr. Oldaker's Part D claims by kind of drug, 2024
- Generic36 claims62%
- Brand-name and other22 claims38%
Dr. Oldaker's most prescribed drugs by claims, 2023
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. Oldaker's Part D claims, 2024
- Antibiotics29%17 of 58 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Christopher Ryan Oldaker scored 71 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 71 out of 100 for Dr. Oldaker for performance year 2024, reported through an alternative payment model (APM). Dr. Oldaker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Oldaker's MIPS scores, performance year 2024
- 71of 100Final score
- 82.9of 100Quality
- 6of 100Promoting Interoperability
- 40of 100Improvement Activities
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. Christopher Ryan Oldaker received $196 in industry payments from 2023 to 2025
CMS Open Payments shows 5 general payments to Dr. Oldaker from 3 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $116.
General payments to Dr. Oldaker by program year, 2023 to 2025
Companies that paid Dr. Oldaker the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Christopher Ryan Oldaker'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)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)Clinician Public Reporting: Overall MIPS Performance (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. Christopher Ryan Oldaker
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. Christopher Ryan Oldaker's NPI number?
Dr. Christopher Ryan Oldaker's NPI number is 1508360637. It was assigned on March 22, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher Ryan Oldaker?
Dr. Christopher Ryan Oldaker is an internist in Staten Island, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Christopher Ryan Oldaker practice?
Dr. Oldaker practices at 355 Bard Avenue, Staten Island, NY 10310. Dr. Oldaker's primary practice is Richmond University Medical Center in Staten Island, New York, part of Richmond University Medical Center.
What is Dr. Christopher Ryan Oldaker's office phone number?
The practice phone on file for Dr. Oldaker is (718) 354-5047.
What is Dr. Christopher Ryan Oldaker's medical license number?
Dr. Oldaker holds New York license 327315.
Which hospitals is Dr. Christopher Ryan Oldaker affiliated with?
Dr. Oldaker practices at Richmond University Medical Center in Staten Island, New York.
What medical group is Dr. Christopher Ryan Oldaker part of?
Dr. Oldaker is linked to Amboy Medical Practice PC.
Does Dr. Christopher Ryan Oldaker accept Medicare?
Yes. CMS data shows Dr. Oldaker billed Medicare for 53 services in 2024, and Dr. Oldaker accepts Medicare assignment.
What is Dr. Christopher Ryan Oldaker's MIPS score?
Dr. Oldaker's MIPS final score for performance year 2024 is 71 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Christopher Ryan Oldaker see?
CMS counts 46 Medicare patients who saw Dr. Oldaker in 2024, with an average age of 76.
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What services does Dr. Christopher Ryan Oldaker bill to Medicare?
In 2024, Dr. Oldaker's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and hospital inpatient care (99222).
What drugs does Dr. Christopher Ryan Oldaker prescribe most?
In 2023 Medicare Part D data, Dr. Oldaker's most prescribed drugs by claims were Nifedipine ER and Atorvastatin Calcium.
Has Dr. Christopher Ryan Oldaker received payments from drug or device companies?
CMS Open Payments shows $196 in general payments to Dr. Oldaker from 3 companies from 2023 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Christopher Ryan Oldaker been practicing?
Dr. Oldaker graduated from medical school in 2018, 8 years ago.
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