Tiffani Zichko, NP
NPI 1588123806 · Family Nurse Practitioner · Oak Ridge, TN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tiffani Zichko, NP is a Family Nurse Practitioner provider in Oak Ridge, TN (NPI 1588123806).
Provider details
- NPI number
- 1588123806
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 24334 (TN)
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 tenure25% of score
7 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
677 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 | 590 | $99 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 46 | $11 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 23 | $141 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 18 | $9 |
Typical Medicare-allowed amounts for these services range $9–$141 (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 · 65 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 738 | 186 |
| Metoprolol Succinate | 614 | 220 |
| Atorvastatin Calcium | 555 | 178 |
| Metoprolol Tartrate | 473 | 156 |
| Carvedilol | 388 | 120 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 313 | 108 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 across 1 record (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
Additional practice locations (1)
- 8035 Roane Medical Center DrHarriman, TN 37748-8334Phone: (865) 316-3625
Registry dates
- Enumerated
- 2019-03-16
- Last updated
- 2020-09-18
- Certified
- 2020-09-18
Frequently asked questions
- What is Tiffani Zichko's NPI number?
- Tiffani Zichko's National Provider Identifier (NPI) is 1588123806, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tiffani Zichko's specialty?
- Tiffani Zichko is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tiffani Zichko located?
- Tiffani Zichko's practice location on file with NPPES is 80 Vermont Ave, Oak Ridge, TN 37830-6474.
- What is Tiffani Zichko's phone number?
- The practice phone number listed in the NPPES registry for Tiffani Zichko is (865) 482-4078.
- Does Tiffani Zichko accept Medicare?
- Tiffani Zichko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tiffani Zichko's NPI active?
- Yes — Tiffani Zichko's NPI (1588123806) is active in the NPPES registry as of the last update on 2020-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.