1. Home
  2. Directory
  3. New York
  4. Bronx
  5. Specialist
  6. NPI Profile

KAREN LYNN HENNESSEY M.D.
NPI 1285783175
Specialist in Bronx, NY

Active since January 09, 2007PECOS EnrolledAccepts Medicare Assignment
234 E 149TH ST, BRONX, NY 10451(718) 579-5865(718) 579-5781 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Karen Lynn Hennessey M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KAREN LYNN HENNESSEY M.D. (NPI 1285783175) is an individual specialist in Bronx, New York, licensed in New York (195693) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS, is affiliated with Lincoln Medical & Mental Health Center, and is a graduate of Wayne State University School Of Medicine (1992).

NPPES Registry Identity

NPI1285783175
Entity TypeIndividualFemale
Primary Taxonomy174400000X
Provider Legal NameKAREN LYNN HENNESSEYCredential: M.D.
Location Address234 E 149TH STBronx, NY 10451-5504
Mailing Address234 E 149th StBronx, NY 10451-5504 · (718) 579-5865 · Fax (718) 579-5781
Phone(718) 579-5865
Fax(718) 579-5781
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 1992
Enumeration DateJanuary 9, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1285783175 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in NY · 195693
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
234 E 149TH ST, Bronx, NY 10451
Open in Google Maps ↗

Other Identifiers 1

Medicare UPING93259NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Karen Lynn Hennessey M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9335233022
PECOS Enrollment IDI20070926000397
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Karen Hennessey reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Downtown Bronx Medical Associates PC
Same address
Emergency Medical Services
234 E 149TH ST, STE 8D200
Bronx, NY 10451
  • Reassigned Medicare billing, New York enrollment
  • 971 clinicians in this Medicare group
NPI 1689618407 (718) 576-6200
Physician Affiliate Group Of New York PC
0.9 mi
Dietitian, Registered
506 LENOX AVE
New York, NY 10037
  • Reassigned Medicare billing, New York enrollment
  • 2,094 clinicians in this Medicare group
NPI 1013375526 (212) 939-2467
Metropolitan Medical Practice Plan PC
2.5 mi
General Practice
1901 1ST AVE
New York, NY 10029
  • Reassigned Medicare billing, New York enrollment
  • 623 clinicians in this Medicare group
NPI 1306138383 (212) 423-7337

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Lincoln Medical & Mental Health Center

Acute Care Hospitals · Bronx, NY
1/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number330080
Location234 East 149th StreetBronx, NY 10451 · Bronx County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. THOMAS HENRY PARRY M.D.
Emergency Medicine
234 E 149TH ST
BRONX, NY 10451
Bronx County (718) 579-6010
MAIRA FONSECA
Dermatology
234 E 149TH ST
BRONX, NY 10451
Bronx County (212) 639-3210
DR. RO GONSALVES M.D.
Emergency Medicine
234 E 149TH ST
BRONX, NY 10451
Bronx County (718) 579-5000
JONATHAN V LI MD
Student in an Organized Health Care Education/Training Program
234 E 149TH ST
BRONX, NY 10451
Bronx County (718) 579-5000
ZULEYKA A GRULLON LCSW
Social Worker (Clinical)
234 E 149TH ST
BRONX, NY 10451
Bronx County (718) 579-5000
JOSHUA RONALD GRAVEL MD, MSC
Emergency Medicine
234 E 149TH ST
BRONX, NY 10451
Bronx County (718) 579-5000
REBEKAH SNITKOFF
Physician Assistant
234 E 149TH ST
BRONX, NY 10451
Bronx County (718) 579-5000
MR. CARLOS ESTEBAN NARVAEZ MD
Student in an Organized Health Care Education/Training Program
234 E 149TH ST
BRONX, NY 10451
Bronx County (718) 579-5000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karen Hennessey's NPI number?

The NPI number for Karen Hennessey is 1285783175. It was assigned to this individual provider in the NPPES registry on January 9, 2007.

Where is Karen Hennessey located?

Karen Hennessey practices at 234 E 149th St, Bronx, NY 10451. The listed phone number is (718) 579-5865.

What is Karen Hennessey's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Karen Hennessey enrolled in Medicare?

Yes. Karen Hennessey is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Karen Hennessey's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karen Hennessey reassigns Medicare benefits to 3 organizations: Downtown Bronx Medical Associates PC (Bronx, NY), Physician Affiliate Group Of New York PC (New York, NY) and Metropolitan Medical Practice Plan PC (New York, NY). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Hennessey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Karen Hennessey affiliated with any hospitals?

According to CMS data, Karen Hennessey is affiliated with Lincoln Medical & Mental Health Center.

When was this NPI record last updated?

The NPPES record for Karen Hennessey was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.