MARK K HIRSCHHORN MD
NPI 1629026240
Specialist in Biddeford, ME
About Mark K Hirschhorn Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK K HIRSCHHORN MD (NPI 1629026240) is an individual specialist in Biddeford, Maine, licensed in Maine (014906) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Northern Light Eastern Maine Medical Center, and is a graduate of Columbia University College Of Physicians And Surgeons (1989).
NPPES Registry Identity
Specialties & Licenses
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
Mark K Hirschhorn 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northern Light Eastern Maine Medical Center
Acute Care Hospitals · Bangor, MECalais Community Hospital
Critical Access Hospitals · Calais, MEDown East Community Hospital
Critical Access Hospitals · Machias, MEReferred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Mark Hirschhorn's NPI number?
The NPI number for Mark Hirschhorn is 1629026240. It was assigned to this individual provider in the NPPES registry on May 5, 2006.
Where is Mark Hirschhorn located?
Mark Hirschhorn practices at 24 W Cole Rd, Biddeford, ME 04005. The listed phone number is (207) 283-1602.
What is Mark Hirschhorn's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Mark Hirschhorn enrolled in Medicare?
Yes. Mark Hirschhorn 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 Mark Hirschhorn affiliated with any hospitals?
According to CMS data, Mark Hirschhorn is affiliated with Northern Light Eastern Maine Medical Center, Calais Community Hospital and Down East Community Hospital.
When was this NPI record last updated?
The NPPES record for Mark Hirschhorn was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 51 days 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.
# Mark K Hirschhorn, MD · NPI 1629026240
Specialist provider in Biddeford, Maine. Individual provider, active in the CMS NPPES registry since May 5, 2006.
## Identity
- **NPI:** 1629026240 (Entity type: Individual)
- **Enumerated:** May 5, 2006
- **Primary specialty:** Specialist · taxonomy 174400000X
- **State license:** 014906 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 24 W COLE RD, Biddeford, ME 04005-9404
- **Phone:** (207) 283-1602 · **Fax:** (207) 282-6835
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Columbia University College Of Physicians And Surgeons, class of 1989
## Record status
- **NPPES last updated:** July 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1629026240) · Data from the CMS NPPES public registry.