Tamara Lyday, DO
NPI 1891903415 · Family Medicine Physician · North Fond Du Lac, WI
Tamara Lyday, DO is a Family Medicine Physician provider in North Fond Du Lac, WI (NPI 1891903415).
Provider details
- NPI number
- 1891903415
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 036121487 (IL)
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 tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Colesevelam Hcl | 40 | 16 |
| Cholestyramine (with Sugar)brand: Cholestyramine | 33 | 17 |
| Progesterone, Micronizedbrand: Progesterone | 23 | — |
| Hydroxyzine Hcl | 17 | — |
| Valacyclovir Hclbrand: Valacyclovir | 13 | — |
| Metronidazole | 13 | — |
| Estradiolbrand: Estradiol (twice Weekly) | 12 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$539 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
- 2007-05-18
- Last updated
- 2022-07-21
- Certified
- 2020-05-01
Frequently asked questions
- What is Tamara Lyday's NPI number?
- Tamara Lyday's National Provider Identifier (NPI) is 1891903415, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tamara Lyday's specialty?
- Tamara Lyday is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tamara Lyday located?
- Tamara Lyday's practice location on file with NPPES is 700 Park Ridge Ln, North Fond Du Lac, WI 54937-1385.
- What is Tamara Lyday's phone number?
- The practice phone number listed in the NPPES registry for Tamara Lyday is (920) 926-7800.
- Is Tamara Lyday's NPI active?
- Yes — Tamara Lyday's NPI (1891903415) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.