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Thomas Zizic, M.D.
NPI 1609900109 · Rheumatology Physician · Baltimore, MD
Thomas Zizic, M.D. is a Rheumatology Physician provider in Baltimore, MD (NPI 1609900109).
Provider details
- NPI number
- 1609900109
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0012471 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(89/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
5601 Loch Raven Blvd
Rmb Suite 509
Baltimore, MD 21239-2905
Phone: (410) 340-7819
Street-level locationGet directions
Mailing address
47 Loveton Cir Ste R
Sparks, MD 21152-9216
Registry dates
- Enumerated
- 2007-03-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Thomas Zizic's NPI number?
- Thomas Zizic's National Provider Identifier (NPI) is 1609900109, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Zizic's specialty?
- Thomas Zizic is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Zizic located?
- Thomas Zizic's practice location on file with NPPES is 5601 Loch Raven Blvd, Baltimore, MD 21239-2905.
- What is Thomas Zizic's phone number?
- The practice phone number listed in the NPPES registry for Thomas Zizic is (410) 340-7819.
- Is Thomas Zizic's NPI active?
- Yes — Thomas Zizic's NPI (1609900109) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.