OrganizationActive
Merrill J Zahtz MD Sc
NPI 1487833489 · Specialist · Evanston, IL
Merrill J Zahtz MD Sc is a Specialist organization in Evanston, IL (NPI 1487833489).
Provider details
- NPI number
- 1487833489
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Merrill Zahtz, President(773) 478-1197
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
800 Austin St
Suite 408
Evanston, IL 60202-3439
Phone: (847) 316-4744
Fax: (847) 475-6835
Street-level locationGet directions
Mailing address
3525 W Granville Ave
Chicago, IL 60659-2221
Registry dates
- Enumerated
- 2007-10-26
- Last updated
- 2007-10-26
Frequently asked questions
- What is Merrill J Zahtz MD Sc's NPI number?
- Merrill J Zahtz MD Sc's National Provider Identifier (NPI) is 1487833489, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Merrill J Zahtz MD Sc?
- Merrill J Zahtz MD Sc is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Merrill J Zahtz MD Sc located?
- Merrill J Zahtz MD Sc's practice location on file with NPPES is 800 Austin St, Evanston, IL 60202-3439.
- What is Merrill J Zahtz MD Sc's phone number?
- The practice phone number listed in the NPPES registry for Merrill J Zahtz MD Sc is (847) 316-4744.
- Who is the authorized official for Merrill J Zahtz MD Sc?
- The authorized official listed on Merrill J Zahtz MD Sc's NPPES record is Merrill Zahtz, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Merrill J Zahtz MD Sc's NPI active?
- Yes — Merrill J Zahtz MD Sc's NPI (1487833489) is active in the NPPES registry as of the last update on 2007-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.