Dr. Charles Alexander Riley, MD
- Medicare patients, 2024
- 26
- Part D claims, 2024
- 21
- MIPS score, 2024
- 84
- Hospital affiliations
- 1
- Industry payments
- $985
- Practice address
- 27 Park Street, Hyannis, MA 02601
- Practice phone
- Call (508) 771-1800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Riley's professional email, personal email and mobile number
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Dr. Charles Alexander Riley is an otolaryngologist in Hyannis, Massachusetts
Dr. Riley practices at Cape Cod Hospital in Hyannis, Massachusetts, part of Cape Cod Healthcare.
Dr. Riley's NPI, 1821357419, was assigned on May 16, 2012. Dr. Riley holds New York license 288151-1.
- NPI
- 1821357419NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880993021
- NPI enumeration date
- May 16, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 771-1800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Charles Alexander Riley practices at Cape Cod Hospital in Hyannis, Massachusetts
Dr. Riley's primary practice is Cape Cod Hospital, at 27 Park Street, Hyannis, MA 02601 in Barnstable County. The practice phone is (508) 771-1800.
- Cape Cod Hospital27 Park Street, Hyannis, MA 02601 · Barnstable CountyPhone(508) 771-1800
Source: Dmand AI Affiliation Data
Dr. Charles Alexander Riley is affiliated with 2 sites of care and 5 medical groups
Dr. Riley's primary practice is Cape Cod Hospital in Hyannis, Massachusetts, part of Cape Cod Healthcare. The medical group on file is Medical Affiliates of Cape Cod (MACC). Dmand AI also links Dr. Riley to 4 more medical groups and 1 community health center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Charles Alexander Riley's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Riley practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cape Cod Hospital | Available with a free account |
| +1 more site and 4 medical groups | 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 Cape Cod Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Charles Alexander Riley is one of 308 otolaryngologists in Massachusetts
Otolaryngology is Dr. Riley's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Riley is licensed in New York.
Specialties and state licenses
- Otolaryngology, New YorkPrimary
Otolaryngologists near Dr. Riley
Counts of otolaryngologists 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. Charles Alexander Riley treated 26 Medicare patients in 2024, average age 72
CMS counts 26 Medicare patients who saw Dr. Riley in 2024. The largest group is 65 to 74, with 11 patients. 69% of them have high blood pressure, and 50% have high cholesterol. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Riley's median patient age at 65, with 40% women.
Dr. Riley's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Riley's Medicare patients by sex, 2024
- Women1454%
- Men1246%
Chronic conditions among Dr. Riley's Medicare patients, 2024
- High blood pressure69%
- High cholesterol50%
- Mood disorders50%
- Depression46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Riley's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women40%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Charles Alexander Riley wrote 21 Medicare Part D claims in 2024
In 2024, Dr. Riley wrote 21 Medicare Part D claims for 13 patients. 100% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $139 in total drug cost. In 2016, CMS named 27 claims across 2 drugs.
Dr. Riley's most prescribed drugs by claims, 2018
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 2018
- 2016
- 2018
- Claims for drugs CMS names
- 2016: 272018: 1544%
Drugs named by CMS: 1 in 2018, 2 in 2016.
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. Charles Alexander Riley scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Riley for performance year 2024, reported as part of a group. Dr. Riley accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Riley's MIPS scores, performance year 2024
- 84of 100Final score
- 64.8of 100Quality
- 96of 100Promoting Interoperability
- 40of 100Improvement Activities
- 69of 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. Charles Alexander Riley received $985 in industry payments from 2016 to 2022
CMS Open Payments shows 13 general payments to Dr. Riley from 6 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Medtronic USA, Inc. paid the most, $434.
General payments to Dr. Riley by program year, 2016 to 2022
Companies that paid Dr. Riley the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Charles Alexander Riley'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 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. Charles Alexander Riley
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. Charles Alexander Riley's NPI number?
Dr. Charles Alexander Riley's NPI number is 1821357419. It was assigned on May 16, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Charles Alexander Riley?
Dr. Charles Alexander Riley is an otolaryngologist in Hyannis, Massachusetts. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Charles Alexander Riley practice?
Dr. Riley practices at 27 Park Street, Hyannis, MA 02601. Dr. Riley's primary practice is Cape Cod Hospital in Hyannis, Massachusetts, part of Cape Cod Healthcare. Dmand AI also links Dr. Riley to 4 medical groups and 1 community health center.
What is Dr. Charles Alexander Riley's office phone number?
The practice phone on file for Dr. Riley is (508) 771-1800.
What is Dr. Charles Alexander Riley's medical license number?
Dr. Riley holds New York license 288151-1.
Which hospitals is Dr. Charles Alexander Riley affiliated with?
Dr. Riley practices at Cape Cod Hospital in Hyannis, Massachusetts.
What medical group is Dr. Charles Alexander Riley part of?
Dr. Riley is linked to Medical Affiliates of Cape Cod (MACC). Dmand AI links Dr. Riley to 4 more medical groups.
Does Dr. Charles Alexander Riley accept Medicare?
Yes. CMS lists Dr. Riley as accepting Medicare assignment.
What is Dr. Charles Alexander Riley's MIPS score?
Dr. Riley's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Dr. Charles Alexander Riley see?
CMS counts 26 Medicare patients who saw Dr. Riley in 2024, with an average age of 72.
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What drugs does Dr. Charles Alexander Riley prescribe most?
In 2018 Medicare Part D data, Dr. Riley's most prescribed drugs by claims were Fluticasone Propionate.
Has Dr. Charles Alexander Riley received payments from drug or device companies?
CMS Open Payments shows $985 in general payments to Dr. Riley from 6 companies from 2016 to 2022. The largest total came from Medtronic USA, Inc.
How long has Dr. Charles Alexander Riley been practicing?
Dr. Riley graduated from medical school in 2012, 14 years ago.
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