IndividualActive
Hanna Siwiec, M.D.
NPI 1053301168 · Family Medicine Physician · Frederick, MD
Hanna Siwiec, M.D. is a Family Medicine Physician provider in Frederick, MD (NPI 1053301168).
Provider details
- NPI number
- 1053301168
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- D69273 (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
3430 Worthington Blvd
Suite 103
Frederick, MD 21704-7017
Phone: (240) 215-6900
Fax: (240) 436-6300
Street-level locationGet directions
Mailing address
610 Solarex Ct
Frederick, MD 21703-8624
Registry dates
- Enumerated
- 2005-10-28
- Last updated
- 2010-06-17
Frequently asked questions
- What is Hanna Siwiec's NPI number?
- Hanna Siwiec's National Provider Identifier (NPI) is 1053301168, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hanna Siwiec's specialty?
- Hanna Siwiec is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hanna Siwiec located?
- Hanna Siwiec's practice location on file with NPPES is 3430 Worthington Blvd, Frederick, MD 21704-7017.
- What is Hanna Siwiec's phone number?
- The practice phone number listed in the NPPES registry for Hanna Siwiec is (240) 215-6900.
- Is Hanna Siwiec's NPI active?
- Yes — Hanna Siwiec's NPI (1053301168) is active in the NPPES registry as of the last update on 2010-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.