Tammy Johnston, NP
NPI 1528507886 · Gerontology Nurse Practitioner · Minneapolis, MN
Tammy Johnston, NP is a Gerontology Nurse Practitioner provider in Minneapolis, MN (NPI 1528507886).
Provider details
- NPI number
- 1528507886
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 5000 (MN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
115 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 63 | $105 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 52 | $147 |
Typical Medicare-allowed amounts for these services range $105–$147 (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 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 103 | 40 |
| Rosuvastatin Calcium | 77 | 27 |
| Apixabanbrand: Eliquis | 69 | 23 |
| Atorvastatin Calcium | 68 | 24 |
| Carvedilol | 68 | 20 |
| Losartan Potassium | 61 | 22 |
| Ezetimibe | 46 |
Practice location
Mailing address
Additional practice locations (2)
- 14655 Galaxie AveApple Valley, MN 55124-8575Phone: (952) 432-6161Fax: (952) 432-7019
- 16548 Fieldcrest AveFarmington, MN 55024-8885Phone: (952) 239-1225
Registry dates
- Enumerated
- 2017-02-20
- Last updated
- 2024-06-24
- Certified
- 2024-06-24
Frequently asked questions
- What is Tammy Johnston's NPI number?
- Tammy Johnston's National Provider Identifier (NPI) is 1528507886, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Johnston's specialty?
- Tammy Johnston is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tammy Johnston located?
- Tammy Johnston's practice location on file with NPPES is 800 E 28th St Ste H2100, Minneapolis, MN 55407-3723.
- What is Tammy Johnston's phone number?
- The practice phone number listed in the NPPES registry for Tammy Johnston is (612) 863-3900.
- Is Tammy Johnston's NPI active?
- Yes — Tammy Johnston's NPI (1528507886) is active in the NPPES registry as of the last update on 2024-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.