John Heffron, DDS
NPI 1659353423 · Oral and Maxillofacial Pathology Dentistry · Waldorf, MD
John Heffron, DDS is a Oral and Maxillofacial Pathology Dentistry provider in Waldorf, MD (NPI 1659353423).
Provider details
- NPI number
- 1659353423
- Entity type
- Individual
- Primary specialty
- Oral and Maxillofacial Pathology DentistryDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- No
- License
- 5594 (MD)
Specialties & taxonomies
Dental Providers
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
- 2005-11-17
- Last updated
- 2013-11-07
Frequently asked questions
- What is John Heffron's NPI number?
- John Heffron's National Provider Identifier (NPI) is 1659353423, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Heffron's specialty?
- John Heffron is listed in the NPPES registry with a primary specialty of Oral and Maxillofacial Pathology Dentistry (Dental Providers).
- Where is John Heffron located?
- John Heffron's practice location on file with NPPES is 3450 Old Washington Rd, Waldorf, MD 20602-3248.
- What is John Heffron's phone number?
- The practice phone number listed in the NPPES registry for John Heffron is (301) 645-6911.
- Is John Heffron's NPI active?
- Yes — John Heffron's NPI (1659353423) is active in the NPPES registry as of the last update on 2013-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.