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Daniel Mareck, M.D.
NPI 1740465509 · Family Medicine Physician · Rockville, MD
Daniel Mareck, M.D. is a Family Medicine Physician provider in Rockville, MD (NPI 1740465509).
Provider details
- NPI number
- 1740465509
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25456 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
Bureau of Health Prof/Hrsa 5600 Fishers Lane Rm 8-05
Rockville, MD 20857-0001
Phone: (301) 594-4198
Fax: (301) 443-2111
Street-level locationGet directions
Mailing address
Bureau of Health Prof/Hrsa 5600 Fishers Lane Rm 8-05
Rockville, MD 20857-0001
Registry dates
- Enumerated
- 2007-12-29
- Last updated
- 2007-12-29
Frequently asked questions
- What is Daniel Mareck's NPI number?
- Daniel Mareck's National Provider Identifier (NPI) is 1740465509, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel Mareck's specialty?
- Daniel Mareck is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel Mareck located?
- Daniel Mareck's practice location on file with NPPES is Bureau of Health Prof/Hrsa 5600 Fishers Lane Rm 8-05, Rockville, MD 20857-0001.
- What is Daniel Mareck's phone number?
- The practice phone number listed in the NPPES registry for Daniel Mareck is (301) 594-4198.
- Is Daniel Mareck's NPI active?
- Yes — Daniel Mareck's NPI (1740465509) is active in the NPPES registry as of the last update on 2007-12-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.