Nicholas Freeman, D.O.
NPI 1578904884 · Pulmonary Disease Physician · Appleton, WI
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Freeman, D.O. is a Pulmonary Disease Physician provider in Appleton, WI (NPI 1578904884).
Provider details
- NPI number
- 1578904884
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 70629-21 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
199 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 80 | $194 |
| Irrigation and Suction of Lung Airways to Obtain Cells Using an Endoscope31624 | 19 | $14 |
| Biopsy of Lobe of Lung Using an Endoscope, 1 Lobe31628 | 19 | $33 |
| Computer-Assisted Image-Guided Navigation of Lung Airways Using an Endoscope31627 | 17 | $87 |
| Needle Biopsy of Windpipe Cartilage, Airway, And/Or Lung Using an Endoscope31629 | 17 | $114 |
| Exam of Lung Airways and Sampling of Lymph Nodes Using an Endoscope and Ultrasound Guidance, 3 Or More Lymph Nodes31653 | 17 | $221 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,550 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-07-15
- Last updated
- 2019-06-26
Frequently asked questions
- What is Nicholas Freeman's NPI number?
- Nicholas Freeman's National Provider Identifier (NPI) is 1578904884, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Freeman's specialty?
- Nicholas Freeman is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Freeman located?
- Nicholas Freeman's practice location on file with NPPES is 1506 S Oneida St, Appleton, WI 54915-1305.
- What is Nicholas Freeman's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Freeman is (920) 738-2000.
- Does Nicholas Freeman accept Medicare?
- Nicholas Freeman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Freeman's NPI active?
- Yes — Nicholas Freeman's NPI (1578904884) is active in the NPPES registry as of the last update on 2019-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.