Ashley Tiemeyer Theisen, PA-C
NPI 1770103210 · Physician Assistant · Holland, MI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ashley Tiemeyer Theisen, PA-C is a Physician Assistant provider in Holland, MI (NPI 1770103210).
Provider details
- NPI number
- 1770103210
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 5601009787 (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 tenure28% of score
6 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
524 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 | 265 | $108 |
| 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 | 221 | $14 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 23 | $143 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 15 | $12 |
Typical Medicare-allowed amounts for these services range $12–$143 (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 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 462 | 201 |
| Apixabanbrand: Eliquis | 380 | 141 |
| Atorvastatin Calcium | 204 | 106 |
| Furosemide | 198 | 105 |
| Amlodipine Besylate | 173 | 80 |
| Rosuvastatin Calcium | 146 | 64 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-24
- Last updated
- 2024-08-26
- Certified
- 2024-08-26
Frequently asked questions
- What is Ashley Tiemeyer Theisen's NPI number?
- Ashley Tiemeyer Theisen's National Provider Identifier (NPI) is 1770103210, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ashley Tiemeyer Theisen's specialty?
- Ashley Tiemeyer Theisen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ashley Tiemeyer Theisen located?
- Ashley Tiemeyer Theisen's practice location on file with NPPES is 602 Michigan Ave Ste 102, Holland, MI 49423-4918.
- What is Ashley Tiemeyer Theisen's phone number?
- The practice phone number listed in the NPPES registry for Ashley Tiemeyer Theisen is (616) 494-8724.
- Does Ashley Tiemeyer Theisen accept Medicare?
- Ashley Tiemeyer Theisen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ashley Tiemeyer Theisen's NPI active?
- Yes — Ashley Tiemeyer Theisen's NPI (1770103210) is active in the NPPES registry as of the last update on 2024-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.