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John Heisey, M.D.
NPI 1003830951 · Internal Medicine Physician · Reading, PA
John Heisey, M.D. is a Internal Medicine Physician provider in Reading, PA (NPI 1003830951).
Provider details
- NPI number
- 1003830951
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD014667E (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
4885 Demoss Rd
Suite 200
Reading, PA 19606-9023
Phone: (610) 779-0300
Fax: (610) 779-8083
Street-level locationGet directions
Mailing address
50 Commerce Dr
Wyomissing, PA 19610-3335
Registry dates
- Enumerated
- 2006-07-26
- Last updated
- 2012-05-18
Frequently asked questions
- What is John Heisey's NPI number?
- John Heisey's National Provider Identifier (NPI) is 1003830951, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Heisey's specialty?
- John Heisey is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Heisey located?
- John Heisey's practice location on file with NPPES is 4885 Demoss Rd, Reading, PA 19606-9023.
- What is John Heisey's phone number?
- The practice phone number listed in the NPPES registry for John Heisey is (610) 779-0300.
- Is John Heisey's NPI active?
- Yes — John Heisey's NPI (1003830951) is active in the NPPES registry as of the last update on 2012-05-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.