Joseph Pierchorowicz, M.D.
NPI 1679763163 · Internal Medicine Physician · St. Louis, MO
Joseph Pierchorowicz, M.D. is a Internal Medicine Physician provider in St. Louis, MO (NPI 1679763163).
Provider details
- NPI number
- 1679763163
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 2007018771 (MO)
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
18 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
- 2007-07-31
- Last updated
- 2007-07-31
Frequently asked questions
- What is Joseph Pierchorowicz's NPI number?
- Joseph Pierchorowicz's National Provider Identifier (NPI) is 1679763163, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Pierchorowicz's specialty?
- Joseph Pierchorowicz is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Pierchorowicz located?
- Joseph Pierchorowicz's practice location on file with NPPES is 6420 Clayton Rd, St. Louis, MO 63117.
- What is Joseph Pierchorowicz's phone number?
- The practice phone number listed in the NPPES registry for Joseph Pierchorowicz is (314) 768-8778.
- Is Joseph Pierchorowicz's NPI active?
- Yes — Joseph Pierchorowicz's NPI (1679763163) is active in the NPPES registry as of the last update on 2007-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.