Karen Acker, M.D.
Pediatric Infectious Diseases Physician · New York, NY
Karen Acker, M.D. is a pediatric infectious diseases physician with a practice address in New York, New York, and NPI 1659647881, issued on Apr 2, 2012. Check the license (New York 281435, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Karen Acker
- Credential
- M.D.
- Primary taxonomy
- Pediatric Infectious Diseases Physician 2080P0208X
- License number
- 281435 NY
Self-reported in NPPES; status is on the state search - Practice location
- 505 E 70TH St, New York, NY 10021
- Phone
- (646) 962-6845
- Enumerated
- Apr 2, 2012
- Record last updated
- Sep 26, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 05219989 NY
- Entity
- Type 1 · individual
8 nearest pediatric infectious diseases physician records → All 120 in New York → Look up another NPI →
Also registered at 505 E 70TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paige Adams, MDStudent in an Organized Health Care Education/Training Program1871395772
- Oluwatosin Afolabi, MDStudent in an Organized Health Care Education/Training Program1477312742
- Nicole Agaronnik, MDStudent in an Organized Health Care Education/Training Program1205638194
- Ankita AgarwalHospitalist Physician1639666902
- Jabir AhmedStudent in an Organized Health Care Education/Training Program1841139367
- Alexander AjetoInternal Medicine Physician1013449354
Verify Karen Acker 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 281435Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Karen Acker among 120 pediatric infectious diseases physician records in New York
Karen Acker, M.D. is one of 120 pediatric infectious diseases physician records with a practice address in New York. 38% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 78% of them.
- NPI issued2012 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 38% of these records are
- In the CMS Doctors and Clinicians fileNo · 18% of these records are
- Record last updated2019 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0208X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Infectious Diseases Physician providers in New York
There are 120 pediatric infectious diseases physician records in New York.
All 120 in New York → Every provider in New York → Pediatric Infectious Diseases Physician nationwide →
The 8 pediatric infectious diseases physician records with the nearest ZIP codes
- Patricia Delamora, MDNew York, NY 100211114015484
- Jin-Young Han, MDNew York, NY 100211770686719
- Sallie Permar, M.D., PH.D.New York City, NY 100211356531487
- Christine Salvatore, MDNew York, NY 100211609054956
- Sulachni Chandwani, M.D.New York, NY 100161033107644
- Shaffig Essajee, M.D.New York, NY 100161760470389
- Aditya Kaul, M.D.New York, NY 100161336137959
- Keith Krasinski, M.D.New York, NY 100161811985435
Common questions
What is Karen Acker, M.D.'s NPI number?
Karen Acker, M.D.'s National Provider Identifier (NPI) is 1659647881, issued on Apr 2, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Karen Acker, M.D. located?
The NPPES record lists a practice address at 505 E 70TH St, New York, NY, 10021. Phone: (646) 962-6845. Providers update this record themselves, so call before visiting.
How can I verify Karen Acker, M.D.'s license?
NPPES lists New York license number 281435, 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.
What is Karen Acker, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.