Dr. Diana Dreyer, MD
- Medicare services, 2024
- 381
- Medicare patients, 2024
- 173
- Hospital affiliations
- 1
- Industry payments
- $84
- Medical groups
- 3
- Practice address
- 2601 Ocean Parkway, Brooklyn, NY 11235
- Practice phone
- Call (718) 616-4834
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Dreyer's professional email, personal email and mobile number
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Dr. Diana Dreyer is a pathologist in Brooklyn, New York
Dr. Dreyer practices at NYC Health + Hospitals/South Brooklyn Health, Ruth Bader Ginsburg Hospital in Brooklyn, New York, part of NYC.
Dr. Dreyer's NPI, 1962819730, was assigned on July 14, 2014. Dr. Dreyer graduated from Ross University School of Medicine in 2013. Dr. Dreyer holds New York license 291416.
- NPI
- 1962819730NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729323126
- NPI enumeration date
- July 14, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (718) 616-4834
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Diana Dreyer practices at NYC Health + Hospitals/South Brooklyn Health, Ruth Bader Ginsburg Hospital in Brooklyn, New York
Dr. Dreyer's primary practice is NYC Health + Hospitals/South Brooklyn Health, Ruth Bader Ginsburg Hospital, at 2601 Ocean Parkway, Brooklyn, NY 11235 in Kings County. The practice phone is (718) 616-4834.
- NYC Health + Hospitals/South Brooklyn Health, Ruth Bader Ginsburg Hospital2601 Ocean Parkway, Brooklyn, NY 11235 · Kings CountyPhone(718) 616-4834
Source: Dmand AI Affiliation Data
Dr. Diana Dreyer is affiliated with 2 sites of care and 3 medical groups
Dr. Dreyer's primary practice is NYC Health + Hospitals/South Brooklyn Health, Ruth Bader Ginsburg Hospital in Brooklyn, New York, part of NYC. The medical group on file is Physician Affiliate Group of New York (PAGNY). Dmand AI also links Dr. Dreyer to 2 more medical groups and 1 group practice or clinic, 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. Diana Dreyer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dreyer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| NYC Health + Hospitals/South Brooklyn Health, Ruth Bader Ginsburg Hospital | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Diana Dreyer is one of 722 pathologists in New York
Anatomic pathology and clinical pathology is Dr. Dreyer's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dr. Dreyer is licensed in New York.
Specialties and state licenses
- Anatomic pathology and clinical pathology, New YorkPrimary
Pathologists near Dr. Dreyer
Counts of pathologists 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. Diana Dreyer billed Medicare for 381 services in 2024
CMS data shows 381 Medicare services from Dr. Dreyer across 8 procedure codes in 2024, for 173 Medicare patients. Medicare paid $9,934 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Dreyer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 5412024: 38130%
Dr. Dreyer compared with the New York median for pathologists, 2024
- Dr. Dreyer
- New York median
- Medicare services
- 381vs 1,02263% below
- Medicare patients
- 173vs 36553% below
Medians across 735 pathologists in New York with Dmand AI profiles that report each measure.
Dr. Dreyer'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. Dreyer and other pathologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Diana Dreyer treated 173 Medicare patients in 2024, average age 77
CMS counts 173 Medicare patients who saw Dr. Dreyer in 2024. The largest group is 75 to 84, with 57 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 76% are also on Medicaid. Their average risk score is 2.52, 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. Dreyer's median patient age at 46, with 40% women.
Dr. Dreyer's Medicare patients by age, 2024
Dr. Dreyer's Medicare patients by sex, 2024
- Women8549%
- Men8851%
Chronic conditions among Dr. Dreyer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes72%
- Arthritis67%
- Ischemic heart disease52%
- Chronic kidney disease46%
- Mood disorders46%
- Heart failure45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Dreyer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 46
Patient panel by sex, all payers
- Women40%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Diana Dreyer takes part in Medicare
Dr. Dreyer 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. Diana Dreyer received $84 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Dreyer from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Nevro Corp. paid the most, $84.
Companies that paid Dr. Dreyer 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. Diana Dreyer graduated from Ross University School of Medicine
Dr. Dreyer graduated from Ross University School of Medicine in 2013.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Diana Dreyer'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) |
| 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. Diana Dreyer
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. Diana Dreyer's NPI number?
Dr. Diana Dreyer's NPI number is 1962819730. It was assigned on July 14, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Diana Dreyer?
Dr. Diana Dreyer is a pathologist in Brooklyn, New York. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. Diana Dreyer practice?
Dr. Dreyer practices at 2601 Ocean Parkway, Brooklyn, NY 11235. Dr. Dreyer's primary practice is NYC Health + Hospitals/South Brooklyn Health, Ruth Bader Ginsburg Hospital in Brooklyn, New York, part of NYC. Dmand AI also links Dr. Dreyer to 2 medical groups and 1 group practice or clinic.
What is Dr. Diana Dreyer's office phone number?
The practice phone on file for Dr. Dreyer is (718) 616-4834.
What is Dr. Diana Dreyer's medical license number?
Dr. Dreyer holds New York license 291416.
Which hospitals is Dr. Diana Dreyer affiliated with?
Dr. Dreyer practices at NYC Health + Hospitals/South Brooklyn Health, Ruth Bader Ginsburg Hospital in Brooklyn, New York.
What medical group is Dr. Diana Dreyer part of?
Dr. Dreyer is linked to Physician Affiliate Group of New York (PAGNY). Dmand AI links Dr. Dreyer to 2 more medical groups.
Does Dr. Diana Dreyer accept Medicare?
Yes. CMS data shows Dr. Dreyer billed Medicare for 381 services in 2024, and Dr. Dreyer accepts Medicare assignment.
How many Medicare patients does Dr. Diana Dreyer see?
CMS counts 173 Medicare patients who saw Dr. Dreyer in 2024, with an average age of 77.
What services does Dr. Diana Dreyer bill to Medicare?
In 2024, Dr. Dreyer's most billed Medicare services were lab and pathology test (88305), lab and pathology test (88112) and lab and pathology test (88311).
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Where did Dr. Diana Dreyer go to medical school?
Dr. Dreyer graduated from Ross University School of Medicine in 2013.
Has Dr. Diana Dreyer received payments from drug or device companies?
CMS Open Payments shows $84 in general payments to Dr. Dreyer from 1 company from 2022 to 2022. The largest total came from Nevro Corp.
How long has Dr. Diana Dreyer been practicing?
Dr. Dreyer graduated from medical school in 2013, 13 years ago.
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