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DR. CHARLES DONALD HANNUM M.D.
NPI 1104265834
Pediatrics in Boston, MA

Active since June 15, 2013PECOS Enrolled
800 WASHINGTON ST # 286, FLOATING HOSPITAL FOR CHILDREN, TUFTS MEDICAL CENTER, BOSTON, MA 02111(617) 636-5078 Get Directions Write a Review

NPPES record last updated: March 28, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Charles Donald Hannum M.d. NPPES

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

DR. CHARLES DONALD HANNUM M.D. (NPI 1104265834) is an individual pediatrics provider in Boston, Massachusetts, licensed in Massachusetts (255812) and active in the NPI registry since June 2013. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1104265834
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. CHARLES DONALD HANNUMCredential: M.D.
Location Address800 WASHINGTON ST # 286, FLOATING HOSPITAL FOR CHILDREN, TUFTS MEDICAL CENTERBoston, MA 02111-1552
Mailing Address474 Massachusetts Ave, Apt 3Boston, MA 02118-1139 · (617) 433-0067
Phone(617) 636-5078
Sole ProprietorNo
Enumeration DateJune 15, 2013
Last NPPES UpdateMarch 28, 2016
✔ NPI 1104265834 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MA · 255812
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
800 WASHINGTON ST # 286, Boston, MA 02111
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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. Charles Donald Hannum M.d. 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 Reassignments

2

Medicare enrollment records show Charles Hannum reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pratt Pediatric Associates Inc
Same address
Pediatrics
800 WASHINGTON ST, BOX 1013
Boston, MA 02111
  • Reassigned Medicare billing, Massachusetts enrollment
  • 202 clinicians in this Medicare group
NPI 1477590511 (617) 636-5000
Atrius Health, Inc.
0.6 mi
Internal Medicine
165 DARTMOUTH ST
Boston, MA 02116
  • Reassigned Medicare billing, Massachusetts enrollment
  • 1,317 clinicians in this Medicare group
NPI 1841413887 (617) 859-5000

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02111 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

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

DAN C HALE MD
Pediatrics
800 WASHINGTON ST # 286
BOSTON, MA 02111
Suffolk County (617) 636-5314
CHRISTOPHER MICHAEL GIBSON M.D.
Pediatrics
800 WASHINGTON ST # 286, FLOATING HOSPITAL FOR CHILDREN, TUFTS MEDICAL CENTER
BOSTON, MA 02111
Suffolk County (617) 636-5078
LAURA JING-YING LI M.D.
Pediatrics
800 WASHINGTON ST # 286
BOSTON, MA 02111
Suffolk County (617) 636-5078
DR. TIFFANY K JOHNSON MD
Pediatrics
800 WASHINGTON ST # 286
BOSTON, MA 02111
Suffolk County (617) 636-5078
DR. EDWARD C GILL JR. M.D.
Pediatrics
800 WASHINGTON ST # 286, TUFTS MEDICAL CENTER, DEPARTMENT OF PEDIATRICS
BOSTON, MA 02111
Suffolk County (617) 636-5078
NASRIN SAMJI MD, MPH
Student in an Organized Health Care Education/Training Program
800 WASHINGTON ST # 286, TUFTS MEDICAL CENTER, DEPARTMENT OF PEDIATRICS
BOSTON, MA 02111
Suffolk County (617) 636-5078

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 Charles Hannum's NPI number?

The NPI number for Charles Hannum is 1104265834. It was assigned to this individual provider in the NPPES registry on June 15, 2013.

Where is Charles Hannum located?

Charles Hannum practices at 800 Washington St # 286 Floating Hospital For Children, Tufts Medical Center, Boston, MA 02111. The listed phone number is (617) 636-5078.

What is Charles Hannum's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Charles Hannum enrolled in Medicare?

Yes. Charles Hannum is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Charles Hannum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Charles Hannum reassigns Medicare benefits to 2 organizations: Pratt Pediatric Associates Inc (Boston, MA) and Atrius Health, Inc. (Boston, MA). 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 Charles Hannum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Charles Hannum accept?

Health plans from Anthem Blue Cross and Blue Shield list Charles Hannum 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 Charles Hannum was last updated on March 28, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.