Dr. David S. Buyer, MD
- Medicare services, 2024
- 7,641
- Medicare patients, 2024
- 2,230
- Part D claims, 2024
- 7,692
- MIPS score, 2024
- 88
- Hospital affiliations
- 2
- Practice address
- 100 Madison Ave, Morristown, NJ 07962
- Practice phone
- Call (973) 971-5450
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Buyer'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. David S. Buyer is a cardiologist in Morristown, New Jersey
Dr. Buyer practices at Morristown Medical Center in Morristown, New Jersey, part of Atlantic Health System.
Dr. Buyer's NPI, 1790759561, was assigned on February 16, 2006. Dr. Buyer graduated from New York Medical College in 1990. Dr. Buyer holds New Jersey license 25MA06741800.
- NPI
- 1790759561NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8022905561
- NPI enumeration date
- February 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (973) 971-5450
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David S. Buyer practices at Morristown Medical Center in Morristown, New Jersey
Dr. Buyer's primary practice is Morristown Medical Center, at 100 Madison Ave, Morristown, NJ 07962 in Morris County. The practice phone is (973) 971-5450.
- Morristown Medical Center100 Madison Ave, Morristown, NJ 07962 · Morris CountyPhone(973) 971-5450
Source: Dmand AI Affiliation Data
Dr. David S. Buyer is affiliated with 14 sites of care and 14 medical groups
Dr. Buyer's primary practice is Morristown Medical Center in Morristown, New Jersey, part of Atlantic Health System. Dr. Buyer is also affiliated with Newton Medical Center. The medical group on file is The Medical Group of New Jersey, Hackettstown Radiology. Dmand AI also links Dr. Buyer to 13 more medical groups and 12 group practices and clinics, 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. David S. Buyer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Buyer practices, 14 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Morristown Medical Center | Available with a free account |
| +13 more sites and 13 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David S. Buyer is one of 1,042 cardiologists in New Jersey
Cardiovascular disease is Dr. Buyer's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Buyer is licensed in New Jersey.
Specialties and state licenses
- Cardiovascular disease, New JerseyPrimary
Cardiologists near Dr. Buyer
Counts of cardiologists 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. David S. Buyer billed Medicare for 7,641 services in 2024
CMS data shows 7,641 Medicare services from Dr. Buyer across 34 procedure codes in 2024, for 2,230 Medicare patients. Medicare paid $492,614 for them.
Dr. Buyer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 3,6692024: 3,9407%
- Office and hospital visits
- 2023: 3,4682024: 3,1798%
- Drugs given in the office
- 2023: 3392024: 23830%
- Other services
- 2023: 1162024: 19266%
- Imaging
- 2023: 1092024: 9216%
Where Dr. Buyer's Medicare services took place, 2024
- In an office5,01366%
- In a facility2,62834%
Dr. Buyer compared with the New Jersey median for cardiologists, 2024
- Dr. Buyer
- New Jersey median
- Medicare services
- 7,641vs 2,4183.2 times
- Medicare patients
- 2,230vs 8782.5 times
- Part D claims
- 7,347vs 2,3393.1 times
Medians across 1,016 cardiologists in New Jersey with Dmand AI profiles that report each measure.
Dr. Buyer'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. David S. Buyer treated 2,230 Medicare patients in 2024, average age 76
CMS counts 2,230 Medicare patients who saw Dr. Buyer in 2024. The largest group is 75 to 84, with 861 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.69, 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. Buyer's median patient age at 75, with 38% women.
Dr. Buyer's Medicare patients by age, 2024
Dr. Buyer's Medicare patients by sex, 2024
- Women1,13051%
- Men1,10049%
Chronic conditions among Dr. Buyer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease59%
- Arthritis45%
- Chronic kidney disease40%
- Atrial fibrillation37%
- Diabetes36%
- Heart failure36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Buyer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women38%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David S. Buyer wrote 7,692 Medicare Part D claims in 2024
In 2024, Dr. Buyer wrote 7,692 Medicare Part D claims for 805 patients. 85% of them were for generic drugs. CMS names the drug for 7,347 of them, across 68 drugs with 11 or more claims each, at $1,162,689 in total drug cost. In 2023, CMS named 6,471 claims across 66 drugs.
Dr. Buyer's Part D claims by kind of drug, 2024
- Generic6,566 claims85%
- Brand-name1,126 claims15%
Dr. Buyer'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. Buyer's Part D claims, 2024
- Antibiotics0%25 of 7,692 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: 6,4712024: 7,34714%
Drugs named by CMS: 68 in 2024, 66 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. David S. Buyer scored 88 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Buyer for performance year 2024, reported individually. Dr. Buyer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Buyer's MIPS scores, performance year 2024
- 88of 100Final score
- 78.4of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 79of 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. David S. Buyer received $6,398 in industry payments from 2016 to 2025
CMS Open Payments shows 421 general payments to Dr. Buyer from 32 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $1,564.
General payments to Dr. Buyer by program year, 2016 to 2025
General payments to Dr. Buyer by kind, 2016 to 2025
- Food and beverage$6,391100%
- Education$70%
Companies that paid Dr. Buyer 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. David S. Buyer graduated from New York Medical College
Dr. Buyer graduated from New York Medical College in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David S. Buyer'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) |
| 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. David S. Buyer
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. David S. Buyer's NPI number?
Dr. David S. Buyer's NPI number is 1790759561. It was assigned on February 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David S. Buyer?
Dr. David S. Buyer is a cardiologist in Morristown, New Jersey. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. David S. Buyer practice?
Dr. Buyer practices at 100 Madison Ave, Morristown, NJ 07962. Dr. Buyer's primary practice is Morristown Medical Center in Morristown, New Jersey, part of Atlantic Health System. Dmand AI also links Dr. Buyer to 13 medical groups and 12 group practices and clinics.
What is Dr. David S. Buyer's office phone number?
The practice phone on file for Dr. Buyer is (973) 971-5450.
What is Dr. David S. Buyer's medical license number?
Dr. Buyer holds New Jersey license 25MA06741800.
Which hospitals is Dr. David S. Buyer affiliated with?
Dr. Buyer practices at Morristown Medical Center in Morristown, New Jersey. Dr. Buyer is also affiliated with Newton Medical Center.
What medical group is Dr. David S. Buyer part of?
Dr. Buyer is linked to The Medical Group of New Jersey, Hackettstown Radiology. Dmand AI links Dr. Buyer to 13 more medical groups.
Does Dr. David S. Buyer accept Medicare?
Yes. CMS data shows Dr. Buyer billed Medicare for 7,641 services in 2024, and Dr. Buyer accepts Medicare assignment.
What is Dr. David S. Buyer's MIPS score?
Dr. Buyer's MIPS final score for performance year 2024 is 88 out of 100, reported individually.
How many Medicare patients does Dr. David S. Buyer see?
CMS counts 2,230 Medicare patients who saw Dr. Buyer in 2024, with an average age of 76.
Show 5 more questionsShow fewer questions
What services does Dr. David S. Buyer bill to Medicare?
In 2024, Dr. Buyer's most billed Medicare services were heart test or procedure (93010), office visit, established patient (99214) and heart test or procedure (93000).
Where did Dr. David S. Buyer go to medical school?
Dr. Buyer graduated from New York Medical College in 1990.
What drugs does Dr. David S. Buyer prescribe most?
In 2024 Medicare Part D data, Dr. Buyer's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Succinate and Eliquis.
Has Dr. David S. Buyer received payments from drug or device companies?
CMS Open Payments shows $6,398 in general payments to Dr. Buyer from 32 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. David S. Buyer been practicing?
Dr. Buyer graduated from medical school in 1990, 36 years ago.
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