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Shannon Gritzenbach, MD
NPI 1427180447 · Psychiatry Physician · Downers Grove, IL
Shannon Gritzenbach, MD is a Psychiatry Physician provider in Downers Grove, IL (NPI 1427180447).
Provider details
- NPI number
- 1427180447
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 36-111910 (IL)
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
3815 Highland Ave
Downers Grove, IL 60515-1500
Phone: (630) 484-1900
Street-level locationGet directions
Mailing address
3815 Highland Ave
Downers Grove, IL 60515-1500
Registry dates
- Enumerated
- 2007-03-12
- Last updated
- 2007-07-08
Frequently asked questions
- What is Shannon Gritzenbach's NPI number?
- Shannon Gritzenbach's National Provider Identifier (NPI) is 1427180447, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shannon Gritzenbach's specialty?
- Shannon Gritzenbach is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Shannon Gritzenbach located?
- Shannon Gritzenbach's practice location on file with NPPES is 3815 Highland Ave, Downers Grove, IL 60515-1500.
- What is Shannon Gritzenbach's phone number?
- The practice phone number listed in the NPPES registry for Shannon Gritzenbach is (630) 484-1900.
- Is Shannon Gritzenbach's NPI active?
- Yes — Shannon Gritzenbach's NPI (1427180447) 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.