IndividualActive
Mark Zellhofer, PHD, RPH
NPI 1043703101 · Pharmacist · Parkville, MD
Mark Zellhofer, PHD, RPH is a Pharmacist provider in Parkville, MD (NPI 1043703101).
Provider details
- NPI number
- 1043703101
- Entity type
- Individual
- Primary specialty
- PharmacistPharmacy Service Providers
- Credential
- PHD, RPH
- Sex
- Male
- Sole proprietor
- Yes
- License
- 10324 (MD)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
Established profile(68/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
1955 E Joppa Rd
Parkville, MD 21234-2745
Phone: (410) 665-5120
Street-level locationGet directions
Mailing address
430 Rosebank Ave
Baltimore, MD 21212-3537
Registry dates
- Enumerated
- 2018-06-12
- Last updated
- 2018-06-12
Frequently asked questions
- What is Mark Zellhofer's NPI number?
- Mark Zellhofer's National Provider Identifier (NPI) is 1043703101, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Zellhofer's specialty?
- Mark Zellhofer is listed in the NPPES registry with a primary specialty of Pharmacist (Pharmacy Service Providers).
- Where is Mark Zellhofer located?
- Mark Zellhofer's practice location on file with NPPES is 1955 E Joppa Rd, Parkville, MD 21234-2745.
- What is Mark Zellhofer's phone number?
- The practice phone number listed in the NPPES registry for Mark Zellhofer is (410) 665-5120.
- Is Mark Zellhofer's NPI active?
- Yes — Mark Zellhofer's NPI (1043703101) is active in the NPPES registry as of the last update on 2018-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.