Michael N Katzoff MD LLC
NPI 1922695162 · Pulmonary Disease Physician · Greenfield, WI
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael N Katzoff MD LLC is a Pulmonary Disease Physician organization in Greenfield, WI (NPI 1922695162).
Provider details
- NPI number
- 1922695162
- Entity type
- Organization
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Michael Katzoff, Sole Member(414) 350-6808
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
5 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
- 2020-12-22
- Last updated
- 2020-12-22
- Certified
- 2020-12-22
Frequently asked questions
- What is Michael N Katzoff MD LLC's NPI number?
- Michael N Katzoff MD LLC's National Provider Identifier (NPI) is 1922695162, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Michael N Katzoff MD LLC?
- Michael N Katzoff MD LLC is classified in the NPPES registry as Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Michael N Katzoff MD LLC located?
- Michael N Katzoff MD LLC's practice location on file with NPPES is 4131 W Loomis Rd, Greenfield, WI 53221-2057.
- What is Michael N Katzoff MD LLC's phone number?
- The practice phone number listed in the NPPES registry for Michael N Katzoff MD LLC is (414) 817-3680.
- Does Michael N Katzoff MD LLC accept Medicare?
- Michael N Katzoff MD 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 Michael N Katzoff MD LLC?
- The authorized official listed on Michael N Katzoff MD LLC's NPPES record is Michael Katzoff, Sole Member. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Michael N Katzoff MD LLC's NPI active?
- Yes — Michael N Katzoff MD LLC's NPI (1922695162) is active in the NPPES registry as of the last update on 2020-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.