DR. LUDWIG ERIK VON HAHN MD
NPI 1275507501
Pediatrics - Developmental - Behavioral Pediatrics in Boston, MA

Active since February 14, 2006PECOS Enrolled
800 WASHINGTON ST, BOX 334, BOSTON, MA 02111(617) 636-1307(617) 636-5621 Get Directions Write a Review

NPPES record last updated: September 22, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Ludwig Erik Von Hahn Md NPPES

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

DR. LUDWIG ERIK VON HAHN MD (NPI 1275507501) is an individual developmental - behavioral pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (81188) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1275507501
Entity TypeIndividualMale
Primary Taxonomy2080P0006X
Provider Legal NameDR. LUDWIG ERIK VON HAHNCredential: MD
Location Address800 WASHINGTON ST, BOX 334Boston, MA 02111-1552
Mailing Address800 Washington St, Box 334Boston, MA 02111-1552 · (617) 636-1307 · Fax (617) 636-5621
Fax(617) 636-5621
Sole ProprietorNo
Enumeration DateFebruary 14, 2006
Last NPPES UpdateSeptember 22, 2009
✔ NPI 1275507501 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Developmental - Behavioral PediatricsAllopathic & Osteopathic Physicians
Taxonomy Code2080P0006X
License✔ Licensed in MA · 81188
Definition
A developmental-behavioral specialist is a pediatrician with special training and experience who aims to foster understanding and promotion of optimal development of children and families through research, education, clinical care and advocacy efforts. This physician assists in the prevention, diagnosis, and management of developmental difficulties and problematic behaviors in children and in the family dysfunctions that compromise children's development.
800 WASHINGTON ST, Boston, MA 02111

Other Identifiers 2

Medicaid3171418MA
Medicare UPINA40664MA

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ludwig Erik Von Hahn Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Ludwig Von Hahn reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Pediatrics
800 WASHINGTON ST, BOX 1013
Boston, MA 02111
  • Reassigned Medicare billing, Massachusetts enrollment
  • 202 clinicians in this Medicare group

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

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.

Internal Medicine (Gastroenterology)
800 WASHINGTON ST, BOX 233
BOSTON, MA 02111
Technician/Technologist (Optician)
800 WASHINGTON ST, BOX 450
BOSTON, MA 02111
Plastic Surgery
800 WASHINGTON ST
BOSTON, MA 02111
Internal Medicine
800 WASHINGTON ST
BOSTON, MA 02111
Internal Medicine (Infectious Disease)
800 WASHINGTON ST
BOSTON, MA 02111
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
BOSTON, MA 02111
Psychiatry & Neurology (Psychiatry)
800 WASHINGTON ST
BOSTON, MA 02111
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST
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 Ludwig Von Hahn's NPI number?

The NPI number for Ludwig Von Hahn is 1275507501. It was assigned to this individual provider in the NPPES registry on February 14, 2006.

Where is Ludwig Von Hahn located?

Ludwig Von Hahn practices at 800 Washington St Box 334, Boston, MA 02111. The listed phone number is (617) 636-1307.

What is Ludwig Von Hahn's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Developmental - Behavioral Pediatrics, with taxonomy code 2080P0006X.

Is Ludwig Von Hahn enrolled in Medicare?

Yes. Ludwig Von Hahn is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ludwig Von Hahn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ludwig Von Hahn reassigns Medicare benefits to Pratt Pediatric Associates Inc (Boston, MA). The 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 Ludwig Von Hahn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ludwig Von Hahn accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Ludwig Von Hahn as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ludwig Von Hahn was last updated on September 22, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.