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Mary Pfeiffer, PH.D.
NPI 1164648697 · Clinical Psychologist · Chicago, IL
Mary Pfeiffer, PH.D. is a Clinical Psychologist provider in Chicago, IL (NPI 1164648697).
Provider details
- NPI number
- 1164648697
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 071-003868 (IL)
Specialties & taxonomies
Behavioral Health & Social 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
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
737 N Michigan Ave
Suite 2130
Chicago, IL 60611-2615
Phone: (312) 440-1709
Street-level locationGet directions
Mailing address
737 N Michigan Ave
Chicago, IL 60611-2615
Registry dates
- Enumerated
- 2007-04-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Pfeiffer's NPI number?
- Mary Pfeiffer's National Provider Identifier (NPI) is 1164648697, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Pfeiffer's specialty?
- Mary Pfeiffer is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Mary Pfeiffer located?
- Mary Pfeiffer's practice location on file with NPPES is 737 N Michigan Ave, Chicago, IL 60611-2615.
- What is Mary Pfeiffer's phone number?
- The practice phone number listed in the NPPES registry for Mary Pfeiffer is (312) 440-1709.
- Is Mary Pfeiffer's NPI active?
- Yes — Mary Pfeiffer's NPI (1164648697) 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.