DR. DIANA LESLIE GEISSER M.D.
NPI 1821397142
Pediatrics - Pediatric Critical Care Medicine in Boston, MA

Active since March 25, 2011PECOS EnrolledAccepts Medicare Assignment
300 LONGWOOD AVE, BOSTON, MA 02115(617) 355-6000 Get Directions Write a Review

NPPES record last updated: March 15, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 15, 2021, Aug 12, 2020 (2 updates tracked since 2020).

About Dr. Diana Leslie Geisser M.d. NPPES

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

DR. DIANA LESLIE GEISSER M.D. (NPI 1821397142) is an individual pediatric critical care medicine provider in Boston, Massachusetts, licensed in Massachusetts (274547) and active in the NPI registry since March 2011. She is enrolled in Medicare PECOS and is a graduate of Perelman School Of Med At The University Of Pennsylvania (2011).

NPPES Registry Identity

NPI1821397142
Entity TypeIndividualFemale
Primary Taxonomy2080P0203X
Provider Legal NameDR. DIANA LESLIE GEISSERCredential: M.D.
Location Address300 LONGWOOD AVEBoston, MA 02115-5724
Mailing Address300 Longwood AveBoston, MA 02115-5724 · (617) 355-6000
Sole ProprietorNo
Medical School CMSPerelman School Of Med At The University Of PennsylvaniaGraduated 2011
Enumeration DateMarch 25, 2011
Last NPPES UpdateMarch 15, 20212 updates tracked since enumeration
NPPES CertifiedMarch 15, 2021
NPI 1821397142 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
License Licensed in MA · 274547
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
300 LONGWOOD AVE, Boston, MA 02115

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

Dr. Diana Leslie Geisser 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 ID9133349319
PECOS Enrollment IDI20200910002750
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.

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.

Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115

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 Diana Geisser's NPI number?

The NPI number for Diana Geisser is 1821397142. It was assigned to this individual provider in the NPPES registry on March 25, 2011.

Where is Diana Geisser located?

Diana Geisser practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.

What is Diana Geisser's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is Diana Geisser enrolled in Medicare?

Yes. Diana Geisser 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.

When was this NPI record last updated?

The NPPES record for Diana Geisser was last updated on March 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.