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Catherine Maslen, M.D.
NPI 1861435604 · Family Medicine Physician · Baltimore, MD
Catherine Maslen, M.D. is a Family Medicine Physician provider in Baltimore, MD (NPI 1861435604).
Provider details
- NPI number
- 1861435604
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- D0055499 (MD)
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
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
1040 Park Ave Ste 200
Baltimore, MD 21201-5634
Phone: (443) 738-0300
Fax: (443) 738-0301
Street-level locationGet directions
Mailing address
2140 Peachtree Rd Nw Ste 232
Atlanta, GA 30309-1316
Registry dates
- Enumerated
- 2006-06-13
- Last updated
- 2018-06-16
Frequently asked questions
- What is Catherine Maslen's NPI number?
- Catherine Maslen's National Provider Identifier (NPI) is 1861435604, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Maslen's specialty?
- Catherine Maslen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Maslen located?
- Catherine Maslen's practice location on file with NPPES is 1040 Park Ave Ste 200, Baltimore, MD 21201-5634.
- What is Catherine Maslen's phone number?
- The practice phone number listed in the NPPES registry for Catherine Maslen is (443) 738-0300.
- Is Catherine Maslen's NPI active?
- Yes — Catherine Maslen's NPI (1861435604) is active in the NPPES registry as of the last update on 2018-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.