IndividualActive
Irwin Lotwin, MD, MS
NPI 1598925075 · Public Health & General Preventive Medicine Physician · Baltimore, MD
Provider details
- NPI number
- 1598925075
- Entity type
- Individual
- Primary specialty
- Public Health & General Preventive Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, MS
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0070600 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(87/100 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
2953 Marnat Rd
Apt. D
Baltimore, MD 21209-2427
Phone: (917) 539-2310
Street-level locationGet directions
Mailing address
2953 Marnat Rd
Baltimore, MD 21209-2427
Registry dates
- Enumerated
- 2008-06-10
- Last updated
- 2012-04-26
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.