Nicole Kieffer, D.O.
NPI 1689854853 · Rheumatology Physician · Green Bay, WI
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicole Kieffer, D.O. is a Rheumatology Physician provider in Green Bay, WI (NPI 1689854853).
Provider details
- NPI number
- 1689854853
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
- License
- OP60447300 (WA)
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
18 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
76 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 41 | $132 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 35 | $171 |
Typical Medicare-allowed amounts for these services range $132–$171 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 122 | 52 |
| Methotrexate Sodiumbrand: Methotrexate | 116 | 46 |
| Hydroxychloroquine Sulfate | 66 | 34 |
| Folic Acid | 44 | 17 |
| Allopurinol | 39 | 13 |
| Alendronate Sodium | 32 | 16 |
| Colchicine | 23 | 14 |
| Sulfasalazine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$878 across 53 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
- 2007-11-05
- Last updated
- 2025-05-28
- Certified
- 2025-05-28
Frequently asked questions
- What is Nicole Kieffer's NPI number?
- Nicole Kieffer's National Provider Identifier (NPI) is 1689854853, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicole Kieffer's specialty?
- Nicole Kieffer is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Nicole Kieffer located?
- Nicole Kieffer's practice location on file with NPPES is 2223 Lime Kiln Rd Ste 1, Green Bay, WI 54311-6238.
- What is Nicole Kieffer's phone number?
- The practice phone number listed in the NPPES registry for Nicole Kieffer is (920) 430-8113.
- Does Nicole Kieffer accept Medicare?
- Nicole Kieffer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicole Kieffer's NPI active?
- Yes — Nicole Kieffer's NPI (1689854853) is active in the NPPES registry as of the last update on 2025-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.