Karen Acker, M.D.
NPI 1659647881 · Pediatric Infectious Diseases Physician · New York, NY
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Acker, M.D. is a Pediatric Infectious Diseases Physician provider in New York, NY (NPI 1659647881).
Provider details
- NPI number
- 1659647881
- Entity type
- Individual
- Primary specialty
- Pediatric Infectious Diseases PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 281435 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-02
- Last updated
- 2019-09-26
Frequently asked questions
- What is Karen Acker's NPI number?
- Karen Acker's National Provider Identifier (NPI) is 1659647881, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Acker's specialty?
- Karen Acker is listed in the NPPES registry with a primary specialty of Pediatric Infectious Diseases Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Acker located?
- Karen Acker's practice location on file with NPPES is 505 E 70th St, New York, NY 10021-4872.
- What is Karen Acker's phone number?
- The practice phone number listed in the NPPES registry for Karen Acker is (646) 962-6845.
- Does Karen Acker accept Medicare?
- Karen Acker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Acker's NPI active?
- Yes — Karen Acker's NPI (1659647881) is active in the NPPES registry as of the last update on 2019-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.