John Blotzer, MD
NPI 1851385769 · Internal Medicine Physician · York, PA
John Blotzer, MD is a Internal Medicine Physician provider in York, PA (NPI 1851385769).
Provider details
- NPI number
- 1851385769
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD017704E (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
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
- 2005-09-07
- Last updated
- 2015-02-19
Frequently asked questions
- What is John Blotzer's NPI number?
- John Blotzer's National Provider Identifier (NPI) is 1851385769, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Blotzer's specialty?
- John Blotzer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Blotzer located?
- John Blotzer's practice location on file with NPPES is 858 School Rd, York, PA 17407-1362.
- What is John Blotzer's phone number?
- The practice phone number listed in the NPPES registry for John Blotzer is (717) 428-3753.
- Is John Blotzer's NPI active?
- Yes — John Blotzer's NPI (1851385769) is active in the NPPES registry as of the last update on 2015-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.