WARREN WILLIAM ACKER MD
NPI 1528697430
Student in an Organized Health Care Education/Training Program in Boston, MA

Active since April 02, 2020PECOS EnrolledAccepts Medicare Assignment
800 WASHINGTON ST # 238, BOSTON, MA 02111(617) 636-7010(617) 636-7100 Get Directions Write a Review

NPPES record last updated: July 5, 2023. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jul 5, 2023, Jun 7, 2023, Apr 2, 2020 (3 updates tracked since 2020).

About Warren William Acker Md NPPES

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

WARREN WILLIAM ACKER MD (NPI 1528697430) is an individual student in an organized health care education/training program in Boston, Massachusetts, licensed in Massachusetts (3013512) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Lowell General Hospital, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1528697430
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameWARREN WILLIAM ACKERCredential: MD
Location Address800 WASHINGTON ST # 238Boston, MA 02111-1552
Mailing Address800 Washington St # 238Boston, MA 02111-1552 · (617) 636-7010 · Fax (617) 636-7100
Fax(617) 636-7100
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateApril 2, 2020
Last NPPES UpdateJuly 5, 20233 updates tracked since enumeration
NPPES CertifiedJuly 5, 2023
NPI 1528697430 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Taxonomy Code390200000X
License Licensed in MA · 3013512
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
800 WASHINGTON ST # 238, Boston, MA 02111

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Warren William Acker Md 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 ID2163889965
PECOS Enrollment IDI20250829003277
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.

Hospital Affiliations CMS Care Compare 2

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

Lowell General Hospital

Acute Care Hospitals · Lowell, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220063
Location295 Varnum AvenueLowell, MA 01854 · Middlesex County
Emergency services Birthing friendly

Tufts Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220116
Location800 Washington StreetBoston, MA 02111 · Suffolk County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 9

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

Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST # 238
BOSTON, MA 02111
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST # 238
BOSTON, MA 02111
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST # 238
BOSTON, MA 02111
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST # 238
BOSTON, MA 02111
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST # 238
BOSTON, MA 02111
Internal Medicine
800 WASHINGTON ST # 238
BOSTON, MA 02111
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST # 238
BOSTON, MA 02111
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST # 238
BOSTON, MA 02111

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 Warren Acker's NPI number?

The NPI number for Warren Acker is 1528697430. It was assigned to this individual provider in the NPPES registry on April 2, 2020.

Where is Warren Acker located?

Warren Acker practices at 800 Washington St # 238, Boston, MA 02111. The listed phone number is (617) 636-7010.

What is Warren Acker's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Warren Acker enrolled in Medicare?

Yes. Warren Acker 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.

Is Warren Acker affiliated with any hospitals?

According to CMS data, Warren Acker is affiliated with Lowell General Hospital and Tufts Medical Center.

When was this NPI record last updated?

The NPPES record for Warren Acker was last updated on July 5, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.