Colleen Nichols, M.D.
NPI 1174507933 · Internal Medicine Physician · Milwaukee, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Colleen Nichols, M.D. is a Internal Medicine Physician provider in Milwaukee, WI (NPI 1174507933).
Provider details
- NPI number
- 1174507933
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 34547-020 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
157 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 35 Minutes99232 | 79 | $73 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 24 | $85 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 21 | $75 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 20 | $151 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 13 | $122 |
Typical Medicare-allowed amounts for these services range $73–$151 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 102 | 29 |
| Levothyroxine Sodium | 82 | 17 |
| Amlodipine Besylate | 61 | 21 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 52 | 13 |
| Losartan Potassium | 44 | 12 |
| Lisinopril | 39 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-05
- Last updated
- 2024-07-21
- Certified
- 2024-07-21
Frequently asked questions
- What is Colleen Nichols's NPI number?
- Colleen Nichols's National Provider Identifier (NPI) is 1174507933, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colleen Nichols's specialty?
- Colleen Nichols is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Colleen Nichols located?
- Colleen Nichols's practice location on file with NPPES is 2801 W Kinnickinnic River Pkwy, Milwaukee, WI 53215-3669.
- What is Colleen Nichols's phone number?
- The practice phone number listed in the NPPES registry for Colleen Nichols is (414) 649-7202.
- Does Colleen Nichols accept Medicare?
- Colleen Nichols is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Colleen Nichols's NPI active?
- Yes — Colleen Nichols's NPI (1174507933) is active in the NPPES registry as of the last update on 2024-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.