John Parkerson, M.D.
NPI 1730299678 · Preventive Medicine/Occupational Environmental Medicine Physician · Baltimore, MD
John Parkerson, M.D. is a Preventive Medicine/Occupational Environmental Medicine Physician provider in Baltimore, MD (NPI 1730299678).
Provider details
- NPI number
- 1730299678
- Entity type
- Individual
- Primary specialty
- Preventive Medicine/Occupational Environmental Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D32875 (MD)
Specialties & taxonomies
- Preventive Medicine/Occupational Environmental Medicine PhysicianPrimary2083P0500XLicense D32875 (MD)
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2023-03-07
Frequently asked questions
- What is John Parkerson's NPI number?
- John Parkerson's National Provider Identifier (NPI) is 1730299678, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Parkerson's specialty?
- John Parkerson is listed in the NPPES registry with a primary specialty of Preventive Medicine/Occupational Environmental Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Parkerson located?
- John Parkerson's practice location on file with NPPES is 4717 Falls Rd, Baltimore, MD 21209-4908.
- What is John Parkerson's phone number?
- The practice phone number listed in the NPPES registry for John Parkerson is (410) 366-3627.
- Is John Parkerson's NPI active?
- Yes — John Parkerson's NPI (1730299678) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.