Dr. Katherine Seibert, MD
- Part D claims, 2024
- 205
- Affiliated sites
- 2
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 26 New Main Street, Haverstraw, NY 10927
- Practice phone
- Call (845) 429-4499
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sun River Health Haverstraw
FQHC - Main Site · Haverstraw, New York
Find Dr. Seibert'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. Katherine Seibert is an internist in Haverstraw, New York
Dr. Seibert practices at Sun River Health Haverstraw in Haverstraw, New York.
Dr. Seibert's NPI, 1982616991, was assigned on August 12, 2006. Dr. Seibert graduated from Creighton University School of Medicine in 1976. Dr. Seibert holds New York license 133006.
- NPI
- 1982616991NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3274518642
- NPI enumeration date
- August 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (845) 429-4499
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 76
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Katherine Seibert practices at 2 locations in Haverstraw, New York
Dr. Seibert's primary practice is Sun River Health Haverstraw, at 26 New Main Street, Haverstraw, NY 10927 in Rockland County. The practice phone is (845) 429-4499. Dr. Seibert also practices at Sun River Health Inc., 31 W Broad St, Haverstraw, NY 10927.
- Sun River Health HaverstrawPrimary26 New Main Street, Haverstraw, NY 10927 · Rockland CountyPhone(845) 429-4499
- Sun River Health Inc.31 W Broad St, Haverstraw, NY 10927 · Rockland CountyPhone(914) 734-8800
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Katherine Seibert is affiliated with 2 sites of care and 1 medical group
Dr. Seibert's primary practice is Sun River Health Haverstraw in Haverstraw, New York. The medical group on file is Sun River Health Amenia. Dmand AI also links Dr. Seibert to 1 more community health center, named with a free account. Dr. Seibert's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Katherine Seibert's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Seibert practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sun River Health Haverstraw | 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. Katherine Seibert is one of 9,643 internists in New York
Internal medicine is Dr. Seibert's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Seibert is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Seibert
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. Katherine Seibert's patients have a median age of 58
Across all payers, Dmand AI patient panel data puts Dr. Seibert's median patient age at 58, with 59% women.
Dr. Seibert's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women59%
- Men40%
Source: Dmand AI Patient Panel Data
Dr. Katherine Seibert wrote 205 Medicare Part D claims in 2024
In 2024, Dr. Seibert wrote 205 Medicare Part D claims for 61 patients. 79% of them were for generic drugs. CMS names the drug for 86 of them, across 5 drugs with 11 or more claims each, at $622 in total drug cost.
Dr. Seibert's Part D claims by kind of drug, 2024
- Generic162 claims79%
- Brand-name and other43 claims21%
Dr. Seibert'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.
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. Katherine Seibert takes part in Medicare
Dr. Seibert 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. Katherine Seibert graduated from Creighton University School of Medicine
Dr. Seibert graduated from Creighton University School of Medicine in 1976.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Katherine Seibert'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 Affiliation DataDmand AI Practice 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 Data |
| 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) |
| 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. Katherine Seibert
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. Katherine Seibert's NPI number?
Dr. Katherine Seibert's NPI number is 1982616991. It was assigned on August 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Katherine Seibert?
Dr. Katherine Seibert is an internist in Haverstraw, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Katherine Seibert practice?
Dr. Seibert practices at 26 New Main Street, Haverstraw, NY 10927. Dr. Seibert also practices at 31 W Broad St, Haverstraw, NY 10927. Dr. Seibert's primary practice is Sun River Health Haverstraw in Haverstraw, New York. Dmand AI also links Dr. Seibert to 1 community health center.
What is Dr. Katherine Seibert's office phone number?
The practice phone on file for Dr. Seibert is (845) 429-4499.
What is Dr. Katherine Seibert's medical license number?
Dr. Seibert holds New York license 133006.
What medical group is Dr. Katherine Seibert part of?
Dr. Seibert is linked to Sun River Health Amenia.
Does Dr. Katherine Seibert accept Medicare?
Yes. CMS lists Dr. Seibert as accepting Medicare assignment.
Where did Dr. Katherine Seibert go to medical school?
Dr. Seibert graduated from Creighton University School of Medicine in 1976.
What drugs does Dr. Katherine Seibert prescribe most?
In 2024 Medicare Part D data, Dr. Seibert's most prescribed drugs by claims were Rosuvastatin Calcium, Atorvastatin Calcium and Metformin HCl.
How long has Dr. Katherine Seibert been practicing?
Dr. Seibert graduated from medical school in 1976, 50 years ago.
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