Dr. Sandra Y. Costley, MD
- Medicare services, 2024
- 2,050
- Medicare patients, 2024
- 233
- Part D claims, 2024
- 3,260
- Hospital affiliations
- 2
- Industry payments
- $71
- Practice address
- 345 N Main St, New City, NY 10956
- Practice phone
- Call (845) 634-6500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
S&K Medical Associates
New City, New York
Find Dr. Costley's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Sandra Y. Costley is an internist in New City, New York
Dr. Costley practices at S&K Medical Associates in New City, New York.
Dr. Costley's NPI, 1174507479, was assigned on December 1, 2005. Dr. Costley graduated from State University of New York Downstate Medical Center College of Medicine in 1988. Dr. Costley holds New York license 185092.
- NPI
- 1174507479NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860410214
- NPI enumeration date
- December 1, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (845) 634-6500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sandra Y. Costley practices at S&K Medical Associates in New City, New York
Dr. Costley's primary practice is S&K Medical Associates, at 345 N Main St, New City, NY 10956 in Rockland County. The practice phone is (845) 634-6500.
- S&K Medical Associates345 N Main St, New City, NY 10956 · Rockland CountyPhone(845) 634-6500
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Sandra Y. Costley is affiliated with 5 sites of care
Dr. Costley's primary practice is S&K Medical Associates in New City, New York. Dr. Costley is also affiliated with Montefiore Nyack Hospital. Dmand AI also links Dr. Costley to 1 more hospital, 1 physician office and 1 home health agency, each 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. Sandra Y. Costley's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Costley practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| S&K Medical Associates | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sandra Y. Costley is one of 9,643 internists in New York
Internal medicine is Dr. Costley's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Costley is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Costley
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. Sandra Y. Costley billed Medicare for 2,050 services in 2024
CMS data shows 2,050 Medicare services from Dr. Costley across 17 procedure codes in 2024, for 233 Medicare patients. Medicare paid $116,253 for them. Every service was in an office.
Dr. Costley's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,3232024: 1,06520%
- Other services
- 2023: 5412024: 5027%
- Surgery
- 2023: 3732024: 3545%
- Tests and treatments
- 2023: 1632024: 11728%
- Lab and pathology
- 2023: 272024: 1256%
Dr. Costley compared with the New York median for internists, 2024
- Dr. Costley
- New York median
- Medicare services
- 2,050vs 4264.8 times
- Medicare patients
- 233vs 15847% above
- Part D claims
- 2,858vs 6224.6 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Costley'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. Costley and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sandra Y. Costley treated 233 Medicare patients in 2024, average age 77
CMS counts 233 Medicare patients who saw Dr. Costley in 2024. The largest group is 65 to 74, with 91 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Costley's median patient age at 63, with 68% women.
Dr. Costley's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Costley's Medicare patients by sex, 2024
- Women19082%
- Men4318%
Chronic conditions among Dr. Costley's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Diabetes31%
- Mood disorders24%
- Osteoporosis24%
- Anxiety23%
- Depression23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Costley's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women68%
- Men29%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sandra Y. Costley wrote 3,260 Medicare Part D claims in 2024
In 2024, Dr. Costley wrote 3,260 Medicare Part D claims for 311 patients. 91% of them were for generic drugs. CMS names the drug for 2,858 of them, across 64 drugs with 11 or more claims each, at $187,723 in total drug cost. In 2023, CMS named 2,659 claims across 64 drugs.
Dr. Costley's Part D claims by kind of drug, 2024
- Generic2,982 claims91%
- Brand-name and other278 claims9%
Dr. Costley'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. Costley's Part D claims, 2024
- Opioids0%16 of 3,260 claims
- Antibiotics3%89 of 3,260 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: 2,6592024: 2,8587%
Drugs named by CMS: 64 in 2024, 64 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. Sandra Y. Costley takes part in Medicare
Dr. Costley accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Sandra Y. Costley received $71 in industry payments from 2016 to 2025
CMS Open Payments shows 4 general payments to Dr. Costley from 3 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Sanofi Pasteur Inc. paid the most, $33.
General payments to Dr. Costley by program year, 2016 to 2025
Companies that paid Dr. Costley the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Sandra Y. Costley graduated from State University of New York Downstate Medical Center College of Medicine
Dr. Costley graduated from State University of New York Downstate Medical Center College of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Sandra Y. Costley'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. Sandra Y. Costley
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. Sandra Y. Costley's NPI number?
Dr. Sandra Y. Costley's NPI number is 1174507479. It was assigned on December 1, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Sandra Y. Costley?
Dr. Sandra Y. Costley is an internist in New City, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sandra Y. Costley practice?
Dr. Costley practices at 345 N Main St, New City, NY 10956. Dr. Costley's primary practice is S&K Medical Associates in New City, New York. Dmand AI also links Dr. Costley to 1 hospital, 1 physician office and 1 home health agency.
What is Dr. Sandra Y. Costley's office phone number?
The practice phone on file for Dr. Costley is (845) 634-6500.
What is Dr. Sandra Y. Costley's medical license number?
Dr. Costley holds New York license 185092.
Which hospitals is Dr. Sandra Y. Costley affiliated with?
Dr. Costley is affiliated with Montefiore Nyack Hospital. Dmand AI links Dr. Costley to 1 more hospital.
Does Dr. Sandra Y. Costley accept Medicare?
Yes. CMS data shows Dr. Costley billed Medicare for 2,050 services in 2024, and Dr. Costley accepts Medicare assignment.
How many Medicare patients does Dr. Sandra Y. Costley see?
CMS counts 233 Medicare patients who saw Dr. Costley in 2024, with an average age of 77.
What services does Dr. Sandra Y. Costley bill to Medicare?
In 2024, Dr. Costley's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and care management and other visits (99490).
Where did Dr. Sandra Y. Costley go to medical school?
Dr. Costley graduated from State University of New York Downstate Medical Center College of Medicine in 1988.
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What drugs does Dr. Sandra Y. Costley prescribe most?
In 2024 Medicare Part D data, Dr. Costley's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Rosuvastatin Calcium.
Has Dr. Sandra Y. Costley received payments from drug or device companies?
CMS Open Payments shows $71 in general payments to Dr. Costley from 3 companies from 2016 to 2025. The largest total came from Sanofi Pasteur Inc.
How long has Dr. Sandra Y. Costley been practicing?
Dr. Costley graduated from medical school in 1988, 38 years ago.
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