Richard Baker, D.O..
NPI 1720148000 · Internal Medicine Physician · Long Grove, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard Baker, D.O.. is a Internal Medicine Physician provider in Long Grove, IL (NPI 1720148000).
Provider details
- NPI number
- 1720148000
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O..
- Sex
- Male
- Sole proprietor
- No
- License
- 036110023 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,128 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 2,075 | $120 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 514 | $116 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 322 | $176 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 136 | $82 |
| Initial Hospital Care With Same-Day Admission and Discharge With High Level of Medical Decision Making, Per Day, If Using Time, at Least 85 Minutes99236 | 42 | $211 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-09
- Last updated
- 2023-03-07
- Certified
- 2021-12-16
Frequently asked questions
- What is Richard Baker's NPI number?
- Richard Baker's National Provider Identifier (NPI) is 1720148000, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard Baker's specialty?
- Richard Baker is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Richard Baker located?
- Richard Baker's practice location on file with NPPES is 3880 Salem Lake Dr, Long Grove, IL 60047-5292.
- What is Richard Baker's phone number?
- The practice phone number listed in the NPPES registry for Richard Baker is (847) 719-2220.
- Does Richard Baker accept Medicare?
- Richard Baker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard Baker's NPI active?
- Yes — Richard Baker's NPI (1720148000) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.