Dr. Tamar Seidman, DO
- Medicare patients, 2024
- 14
- Part D claims, 2024
- 24
- Hospital affiliations
- 1
- Industry payments
- $283
- Medical groups
- 2
- Practice address
- 1 Brookdale Plaza, Brooklyn, NY 11212
- Practice phone
- Call (718) 240-5966
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Seidman'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. Tamar Seidman is an internist in Brooklyn, New York
Dr. Seidman practices at Brookdale Hospital Medical Center in Brooklyn, New York, part of One Brooklyn Health System.
Dr. Seidman's NPI, 1346821618, was assigned on April 19, 2021. Dr. Seidman holds New York license 331331.
- NPI
- 1346821618NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143761478
- NPI enumeration date
- April 19, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (718) 240-5966
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tamar Seidman practices at Brookdale Hospital Medical Center in Brooklyn, New York
Dr. Seidman's primary practice is Brookdale Hospital Medical Center, at 1 Brookdale Plaza, Brooklyn, NY 11212 in Kings County. The practice phone is (718) 240-5966.
- Brookdale Hospital Medical Center1 Brookdale Plaza, Brooklyn, NY 11212 · Kings CountyPhone(718) 240-5966
Source: Dmand AI Affiliation Data
Dr. Tamar Seidman is affiliated with 1 site of care and 2 medical groups
Dr. Seidman's primary practice is Brookdale Hospital Medical Center in Brooklyn, New York, part of One Brooklyn Health System. The medical group on file is Brookdale University Hospital and Medical Center. Dmand AI also links Dr. Seidman to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tamar Seidman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Seidman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brookdale Hospital Medical Center | Available with a free account |
| +1 medical group | 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 One Brooklyn Health System and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Tamar Seidman is one of 9,643 internists in New York
Internal medicine is Dr. Seidman's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Seidman is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Seidman
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. Tamar Seidman treated 14 Medicare patients in 2024, average age 71
CMS counts 14 Medicare patients who saw Dr. Seidman in 2024. 75% of them have high blood pressure. Their average risk score is 4.17, 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. Seidman's median patient age at 71, with 47% women.
Chronic conditions among Dr. Seidman's Medicare patients, 2024
- High blood pressure75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Seidman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tamar Seidman wrote 24 Medicare Part D claims in 2024
In 2024, Dr. Seidman wrote 24 Medicare Part D claims. 58% of them were for generic drugs.
Dr. Seidman's Part D claims by kind of drug, 2024
- Generic14 claims58%
- Brand-name and other10 claims42%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Tamar Seidman takes part in Medicare
Dr. Seidman 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)
For MedTech and pharma teams
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Dr. Tamar Seidman received $283 in industry payments from 2024 to 2025
CMS Open Payments shows 9 general payments to Dr. Seidman from 5 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $125.
General payments to Dr. Seidman by program year, 2024 to 2025
Companies that paid Dr. Seidman the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Tamar Seidman'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 (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) |
| 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. Tamar Seidman
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. Tamar Seidman's NPI number?
Dr. Tamar Seidman's NPI number is 1346821618. It was assigned on April 19, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Tamar Seidman?
Dr. Tamar Seidman is an internist in Brooklyn, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Tamar Seidman practice?
Dr. Seidman practices at 1 Brookdale Plaza, Brooklyn, NY 11212. Dr. Seidman's primary practice is Brookdale Hospital Medical Center in Brooklyn, New York, part of One Brooklyn Health System. Dmand AI also links Dr. Seidman to 1 medical group.
What is Dr. Tamar Seidman's office phone number?
The practice phone on file for Dr. Seidman is (718) 240-5966.
What is Dr. Tamar Seidman's medical license number?
Dr. Seidman holds New York license 331331.
Which hospitals is Dr. Tamar Seidman affiliated with?
Dr. Seidman practices at Brookdale Hospital Medical Center in Brooklyn, New York.
What medical group is Dr. Tamar Seidman part of?
Dr. Seidman is linked to Brookdale University Hospital and Medical Center. Dmand AI links Dr. Seidman to 1 more medical group.
Does Dr. Tamar Seidman accept Medicare?
Yes. CMS lists Dr. Seidman as accepting Medicare assignment.
How many Medicare patients does Dr. Tamar Seidman see?
CMS counts 14 Medicare patients who saw Dr. Seidman in 2024, with an average age of 71.
Has Dr. Tamar Seidman received payments from drug or device companies?
CMS Open Payments shows $283 in general payments to Dr. Seidman from 5 companies from 2024 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Tamar Seidman been practicing?
Dr. Seidman graduated from medical school in 2021, 5 years ago.
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