Karen Nielsen, D.O.
General Practice Physician · New York, NY
Karen Nielsen, D.O. is a general practice physician with a practice address in New York, New York, and NPI 1568651198, issued on Oct 19, 2007. Check the license (New York 248989, as entered in NPPES) on the NYS Education Department, Office of the Professions; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Karen Nielsen
- Credential
- D.O.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 248989 NY
Self-reported in NPPES; status is on the state search - Practice location
- 115 W 29TH St RM 1105, New York, NY 10001
- Phone
- (212) 206-6759
- Enumerated
- Oct 19, 2007
- Record last updated
- Jul 14, 2024
- Medicare enrollment
- Enrolled (PECOS I20100910000194); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2004
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 681 in New York → Look up another NPI →
Verify Karen Nielsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 248989Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Karen Nielsen among 681 general practice physician records in New York
Karen Nielsen, D.O. is one of 681 general practice physician records with a practice address in New York. 49% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 25% of them.
- NPI issued2007 · 25% of these records are older, 61% newer
- In a Medicare fileNo · 49% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Graduated2004 · median 2002 among the 141 with a school on file
- Record last updated2024 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in New York
There are 681 general practice physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 681 in New York → Every provider in New York → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Ronald Hoffman, M.D.New York, NY 100011679695159
- Andrea Richards, M.D.New York, NY 100011609286673
- Jordano Sanchez, M.D.New York, NY 100011578096731
- Hae LeeNew York, NY 100021538512850
- Guoqiong Qu, MDNew York, NY 100021154841088
- Randall Hirsch, M.D.New York, NY 100031972745065
- Dewitt Pyburn, MDNew York, NY 100031912998428
- Timothy Wolbert, M.D.New York, NY 100031639462526
Common questions
What is Karen Nielsen, D.O.'s NPI number?
Karen Nielsen, D.O.'s National Provider Identifier (NPI) is 1568651198, issued on Oct 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Karen Nielsen, D.O. located?
The NPPES record lists a practice address at 115 W 29TH St RM 1105, New York, NY, 10001. Phone: (212) 206-6759. Providers update this record themselves, so call before visiting.
How can I verify Karen Nielsen, D.O.'s license?
NPPES lists New York license number 248989, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.