DR. HARRY L HOAR III MD
NPI 1144438409
Pediatrics in Springfield, MA
About Dr. Harry L Hoar Iii Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HARRY L HOAR III MD (NPI 1144438409) is an individual pediatrics provider in Springfield, Massachusetts, licensed in Massachusetts (231766) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Baystate Medical Center, and is a graduate of University Of Connecticut School Of Medicine (2003).
NPPES Registry Identity
Specialties & Licenses 3
Accepted Insurance
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
Dr. Harry L Hoar Iii 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.
Medicare Billing Reassignment
Medicare enrollment records show Harry Hoar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Springfield, MA 01199
- Reassigned Medicare billing, Massachusetts enrollment
- 1,537 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.
Areas of Expertise CMS Part B claims 3
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Baystate Medical Center
Acute Care Hospitals · Springfield, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01107 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
SPRINGFIELD, MA 01107
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 Harry Hoar's NPI number?
The NPI number for Harry Hoar is 1144438409. It was assigned to this individual provider in the NPPES registry on May 19, 2007.
Where is Harry Hoar located?
Harry Hoar practices at 759 Chestnut St, Springfield, MA 01107. The listed phone number is (413) 794-2398.
What is Harry Hoar's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Harry Hoar enrolled in Medicare?
Yes. Harry Hoar 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 organization bills Medicare for Harry Hoar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Harry Hoar reassigns Medicare benefits to Baystate Medical Practices, Inc (Springfield, 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 Harry Hoar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Harry Hoar accept?
Health plans from Taro Health list Harry Hoar 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.
Is Harry Hoar affiliated with any hospitals?
According to CMS data, Harry Hoar is affiliated with Baystate Medical Center.
When was this NPI record last updated?
The NPPES record for Harry Hoar was last updated on January 25, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. Harry L Hoar III, MD · NPI 1144438409
Pediatrics physician in Springfield, Massachusetts. Individual provider, active in the CMS NPPES registry since May 19, 2007.
## Identity
- **NPI:** 1144438409 (Entity type: Individual)
- **Enumerated:** May 19, 2007
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** 231766 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 759 CHESTNUT ST, Springfield, MA 01107-1619
- **Phone:** (413) 794-2398 · **Fax:** (413) 794-1273
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Baystate Medical Practices, Inc (NPI 1548205909, Springfield, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Connecticut School Of Medicine, class of 2003
## Record status
- **NPPES last updated:** January 25, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1144438409) · Data from the CMS NPPES public registry.