Marc D. Bear, M.D., LLC
NPI 1548564537 · Psychiatry Physician · Chicago, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marc D. Bear, M.D., LLC is a Psychiatry Physician organization in Chicago, IL (NPI 1548564537).
Provider details
- NPI number
- 1548564537
- Entity type
- Organization
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Marc Bear, Physician/Manager(773) 458-4671
- License
- 036-095995 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
Mailing address
Registry dates
- Enumerated
- 2011-01-05
- Last updated
- 2015-06-13
Frequently asked questions
- What is Marc D. Bear, M.D., LLC's NPI number?
- Marc D. Bear, M.D., LLC's National Provider Identifier (NPI) is 1548564537, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Marc D. Bear, M.D., LLC?
- Marc D. Bear, M.D., LLC is classified in the NPPES registry as Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Marc D. Bear, M.D., LLC located?
- Marc D. Bear, M.D., LLC's practice location on file with NPPES is 1011 W Wellington Ave, Chicago, IL 60657-7187.
- What is Marc D. Bear, M.D., LLC's phone number?
- The practice phone number listed in the NPPES registry for Marc D. Bear, M.D., LLC is (773) 458-4671.
- Does Marc D. Bear, M.D., LLC accept Medicare?
- Marc D. Bear, M.D., LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Marc D. Bear, M.D., LLC?
- The authorized official listed on Marc D. Bear, M.D., LLC's NPPES record is Marc Bear, Physician/Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Marc D. Bear, M.D., LLC's NPI active?
- Yes — Marc D. Bear, M.D., LLC's NPI (1548564537) is active in the NPPES registry as of the last update on 2015-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.