Dayna Timmreck, FNP-BC
NPI 1538606546 · Family Nurse Practitioner · Flint, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dayna Timmreck, FNP-BC is a Family Nurse Practitioner provider in Flint, MI (NPI 1538606546).
Provider details
- NPI number
- 1538606546
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 4704280706 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
9 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 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 1,303 | 168 |
| Gabapentin | 582 | 84 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 266 | 58 |
| Tramadol Hcl | 264 | 35 |
| Pregabalin | 196 | 38 |
| Tizanidine Hcl | 193 | 35 |
| Cyclobenzaprine Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$479 across 19 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
- 2017-01-28
- Last updated
- 2017-01-28
Frequently asked questions
- What is Dayna Timmreck's NPI number?
- Dayna Timmreck's National Provider Identifier (NPI) is 1538606546, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dayna Timmreck's specialty?
- Dayna Timmreck is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Dayna Timmreck located?
- Dayna Timmreck's practice location on file with NPPES is 3400 Fleckenstein Rd, Flint, MI 48507-3042.
- What is Dayna Timmreck's phone number?
- The practice phone number listed in the NPPES registry for Dayna Timmreck is (810) 877-7370.
- Does Dayna Timmreck accept Medicare?
- Dayna Timmreck is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dayna Timmreck's NPI active?
- Yes — Dayna Timmreck's NPI (1538606546) is active in the NPPES registry as of the last update on 2017-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.