Tammie Harder, PA-C
NPI 1477651628 · Physician Assistant · Grand Forks, ND
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tammie Harder, PA-C is a Physician Assistant provider in Grand Forks, ND (NPI 1477651628).
Provider details
- NPI number
- 1477651628
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PAC0031 (ND)
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,512 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 | 766 | $79 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 228 | $107 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 224 | $53 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 215 | $13 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 16 | $117 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 141 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 652 | 159 |
| Levothyroxine Sodium | 448 | 100 |
| Metoprolol Succinate | 388 | 85 |
| Amlodipine Besylate | 370 | 97 |
| Losartan Potassium | 360 | 95 |
| Hydrochlorothiazide | 297 | 85 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-20
- Last updated
- 2020-10-13
- Certified
- 2020-10-13
Frequently asked questions
- What is Tammie Harder's NPI number?
- Tammie Harder's National Provider Identifier (NPI) is 1477651628, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammie Harder's specialty?
- Tammie Harder is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tammie Harder located?
- Tammie Harder's practice location on file with NPPES is 1380 S Columbia Rd, Grand Forks, ND 58201-4059.
- What is Tammie Harder's phone number?
- The practice phone number listed in the NPPES registry for Tammie Harder is (701) 795-2000.
- Does Tammie Harder accept Medicare?
- Tammie Harder is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tammie Harder's NPI active?
- Yes — Tammie Harder's NPI (1477651628) is active in the NPPES registry as of the last update on 2020-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.