George Hartzell, M.D.
NPI 1851540454 · Internal Medicine Physician · Allentown, PA
George Hartzell, M.D. is a Internal Medicine Physician provider in Allentown, PA (NPI 1851540454).
Provider details
- NPI number
- 1851540454
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD028050L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 4 W Main StMacungie, PA 18062-1120Phone: (610) 967-4993Fax: (610) 967-6553
- 3321 Chestnut StWhitehall, PA 18052-7411Phone: (610) 262-7123Fax: (610) 262-1189
Registry dates
- Enumerated
- 2008-09-18
- Last updated
- 2020-01-17
- Certified
- 2020-01-17
Frequently asked questions
- What is George Hartzell's NPI number?
- George Hartzell's National Provider Identifier (NPI) is 1851540454, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Hartzell's specialty?
- George Hartzell is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is George Hartzell located?
- George Hartzell's practice location on file with NPPES is 798 Hausman Rd Ste 250, Allentown, PA 18104-9116.
- What is George Hartzell's phone number?
- The practice phone number listed in the NPPES registry for George Hartzell is (610) 973-3868.
- Is George Hartzell's NPI active?
- Yes — George Hartzell's NPI (1851540454) is active in the NPPES registry as of the last update on 2020-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.