OrganizationActive
Thomas Drost, Ltd
NPI 1386837565 · Specialist · Chicago, IL
Thomas Drost, Ltd is a Specialist organization in Chicago, IL (NPI 1386837565).
Provider details
- NPI number
- 1386837565
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Thomas.d Drost, Physician(312) 640-1740
Specialties & taxonomies
Other Service Providers
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
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
233 E Erie St
Suite 710
Chicago, IL 60611-2926
Phone: (312) 640-1740
Fax: (312) 640-1741
Street-level locationGet directions
Mailing address
233 E Erie St
Chicago, IL 60611-2926
Registry dates
- Enumerated
- 2007-08-22
- Last updated
- 2007-11-02
Frequently asked questions
- What is Thomas Drost, Ltd's NPI number?
- Thomas Drost, Ltd's National Provider Identifier (NPI) is 1386837565, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Thomas Drost, Ltd?
- Thomas Drost, Ltd is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Thomas Drost, Ltd located?
- Thomas Drost, Ltd's practice location on file with NPPES is 233 E Erie St, Chicago, IL 60611-2926.
- What is Thomas Drost, Ltd's phone number?
- The practice phone number listed in the NPPES registry for Thomas Drost, Ltd is (312) 640-1740.
- Who is the authorized official for Thomas Drost, Ltd?
- The authorized official listed on Thomas Drost, Ltd's NPPES record is Thomas.d Drost, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Thomas Drost, Ltd's NPI active?
- Yes — Thomas Drost, Ltd's NPI (1386837565) is active in the NPPES registry as of the last update on 2007-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.