Dr. Carol Ann Rayner, MD
- Medicare services, 2024
- 2,558
- Medicare patients, 2024
- 424
- Part D claims, 2024
- 3,871
- Industry payments
- $12
- Affiliated sites
- 1
- Practice address
- 90 S Bedford Rd, Mount Kisco, NY 10549
- Practice phone
- Call (914) 241-1050
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Caremount Medical
Mount Kisco, New York
Find Dr. Rayner's professional email, personal email and mobile number
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Dr. Carol Ann Rayner is an internist in Mount Kisco, New York
Dr. Rayner practices at Caremount Medical in Mount Kisco, New York.
Dr. Rayner's NPI, 1386623809, was assigned on January 12, 2006. Dr. Rayner graduated from Albert Einstein College of Medicine of Yeshiva University in 1991. Dr. Rayner holds New York license 191333.
- NPI
- 1386623809NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840286597
- NPI enumeration date
- January 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (914) 241-1050
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Carol Ann Rayner practices at Caremount Medical in Mount Kisco, New York
Dr. Rayner's primary practice is Caremount Medical, at 90 S Bedford Rd, Mount Kisco, NY 10549 in Westchester County. The practice phone is (914) 241-1050.
- Caremount Medical90 S Bedford Rd, Mount Kisco, NY 10549 · Westchester CountyPhone(914) 241-1050
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Carol Ann Rayner is affiliated with 2 sites of care and 1 medical group
Dr. Rayner's primary practice is Caremount Medical in Mount Kisco, New York. The medical group on file is CareMount Medical. Dmand AI also links Dr. Rayner to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Carol Ann Rayner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rayner practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Caremount Medical | 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. Carol Ann Rayner is one of 9,643 internists in New York
Internal medicine is Dr. Rayner's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Rayner's licenses on file in 2 states: New York and Connecticut.
Specialties and state licenses
- Internal medicine, New YorkPrimary
- Connecticut license
Internists near Dr. Rayner
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. Carol Ann Rayner billed Medicare for 2,558 services in 2024
CMS data shows 2,558 Medicare services from Dr. Rayner across 29 procedure codes in 2024, for 424 Medicare patients. Medicare paid $125,675 for them. Every service was in an office.
Dr. Rayner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 9892024: 78321%
- Office and hospital visits
- 2023: 5542024: 5754%
- Other services
- 2023: 3242024: 54769%
- Tests and treatments
- 2023: 3382024: 3431%
- Surgery
- 2023: 2812024: 31010%
Dr. Rayner compared with the New York median for internists, 2024
- Dr. Rayner
- New York median
- Medicare services
- 2,558vs 4266.0 times
- Medicare patients
- 424vs 1582.7 times
- Part D claims
- 3,434vs 6225.5 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Rayner'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. Rayner and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Carol Ann Rayner treated 424 Medicare patients in 2024, average age 74
CMS counts 424 Medicare patients who saw Dr. Rayner in 2024. The largest group is 65 to 74, with 204 patients. 73% of them have high cholesterol, and 59% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.01, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Rayner's median patient age at 60, with 75% women.
Dr. Rayner's Medicare patients by age, 2024
Dr. Rayner's Medicare patients by sex, 2024
- Women33479%
- Men9021%
Chronic conditions among Dr. Rayner's Medicare patients, 2024
- High cholesterol73%
- High blood pressure59%
- Arthritis37%
- Osteoporosis29%
- Anxiety23%
- Ischemic heart disease23%
- Mood disorders21%
- Depression20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rayner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women75%
- Men20%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Carol Ann Rayner wrote 3,871 Medicare Part D claims in 2024
In 2024, Dr. Rayner wrote 3,871 Medicare Part D claims for 505 patients. 92% of them were for generic drugs. CMS names the drug for 3,434 of them, across 57 drugs with 11 or more claims each, at $133,967 in total drug cost. In 2023, CMS named 2,894 claims across 53 drugs.
Dr. Rayner's Part D claims by kind of drug, 2024
- Generic3,565 claims92%
- Brand-name and other306 claims8%
Dr. Rayner'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. Rayner's Part D claims, 2024
- Antibiotics2%73 of 3,871 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: 2,8942024: 3,43419%
Drugs named by CMS: 57 in 2024, 53 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
Dr. Carol Ann Rayner offers telehealth to Medicare patients
Dr. Rayner accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Rayner as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Carol Ann Rayner received $12 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Rayner from 1 drug or device company in 2022. Debt forgiveness make up the largest share, 100% of the total. Baxter Healthcare paid the most, $12.
Companies that paid Dr. Rayner the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Carol Ann Rayner graduated from Albert Einstein College of Medicine of Yeshiva University
Dr. Rayner graduated from Albert Einstein College of Medicine of Yeshiva University in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Carol Ann Rayner'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 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. Carol Ann Rayner
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. Carol Ann Rayner's NPI number?
Dr. Carol Ann Rayner's NPI number is 1386623809. It was assigned on January 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Carol Ann Rayner?
Dr. Carol Ann Rayner is an internist in Mount Kisco, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Carol Ann Rayner practice?
Dr. Rayner practices at 90 S Bedford Rd, Mount Kisco, NY 10549. Dr. Rayner's primary practice is Caremount Medical in Mount Kisco, New York. Dmand AI also links Dr. Rayner to 1 group practice or clinic.
What is Dr. Carol Ann Rayner's office phone number?
The practice phone on file for Dr. Rayner is (914) 241-1050.
What is Dr. Carol Ann Rayner's medical license number?
Dr. Rayner holds New York license 191333, one of the licenses on file in 2 states.
Which states has Dr. Carol Ann Rayner been licensed in?
Dmand AI has state licenses on file for Dr. Rayner in New York and Connecticut.
What medical group is Dr. Carol Ann Rayner part of?
Dr. Rayner is linked to CareMount Medical.
Does Dr. Carol Ann Rayner accept Medicare?
Yes. CMS data shows Dr. Rayner billed Medicare for 2,558 services in 2024, and Dr. Rayner accepts Medicare assignment.
Does Dr. Carol Ann Rayner offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Rayner as offering telehealth services.
How many Medicare patients does Dr. Carol Ann Rayner see?
CMS counts 424 Medicare patients who saw Dr. Rayner in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Carol Ann Rayner bill to Medicare?
In 2024, Dr. Rayner's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and medicare service (G2211).
Where did Dr. Carol Ann Rayner go to medical school?
Dr. Rayner graduated from Albert Einstein College of Medicine of Yeshiva University in 1991.
What drugs does Dr. Carol Ann Rayner prescribe most?
In 2024 Medicare Part D data, Dr. Rayner's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
Has Dr. Carol Ann Rayner received payments from drug or device companies?
CMS Open Payments shows $12 in general payments to Dr. Rayner from 1 company from 2022 to 2022. The largest total came from Baxter Healthcare.
How long has Dr. Carol Ann Rayner been practicing?
Dr. Rayner graduated from medical school in 1991, 35 years ago.
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