Mark Auerbach, MD
NPI 1811999220 · Internal Medicine Physician · Easton, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Auerbach, MD is a Internal Medicine Physician provider in Easton, PA (NPI 1811999220).
Provider details
- NPI number
- 1811999220
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD024797E (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-08-15
- Last updated
- 2016-03-08
Frequently asked questions
- What is Mark Auerbach's NPI number?
- Mark Auerbach's National Provider Identifier (NPI) is 1811999220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Auerbach's specialty?
- Mark Auerbach is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Auerbach located?
- Mark Auerbach's practice location on file with NPPES is 3735 Nazareth Rd, Easton, PA 18045-8338.
- What is Mark Auerbach's phone number?
- The practice phone number listed in the NPPES registry for Mark Auerbach is (610) 829-2200.
- Does Mark Auerbach accept Medicare?
- Mark Auerbach is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Auerbach's NPI active?
- Yes — Mark Auerbach's NPI (1811999220) is active in the NPPES registry as of the last update on 2016-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.