Mark Hirschhorn, MD
NPI 1629026240 · Specialist · Biddeford, ME
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Hirschhorn, MD is a Specialist provider in Biddeford, ME (NPI 1629026240).
Provider details
- NPI number
- 1629026240
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- License
- 014906 (ME)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 173 | 58 |
| Mirabegronbrand: Myrbetriq | 101 | 31 |
| Dutasteride | 44 | 13 |
| Cefadroxil | 42 | 37 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 36 | 29 |
| Ciprofloxacin Hcl | 21 | 17 |
| Tolterodine Tartratebrand: Tolterodine Tartrate Er | 19 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,427 across 12 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Hirschhorn's NPI number?
- Mark Hirschhorn's National Provider Identifier (NPI) is 1629026240, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Hirschhorn's specialty?
- Mark Hirschhorn is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Mark Hirschhorn located?
- Mark Hirschhorn's practice location on file with NPPES is 24 W Cole Rd, Biddeford, ME 04005-9404.
- What is Mark Hirschhorn's phone number?
- The practice phone number listed in the NPPES registry for Mark Hirschhorn is (207) 283-1602.
- Does Mark Hirschhorn accept Medicare?
- Mark Hirschhorn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Hirschhorn's NPI active?
- Yes — Mark Hirschhorn's NPI (1629026240) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.