Michelle Grimes, PA-C
NPI 1578881082 · Physician Assistant · Austin, TX
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michelle Grimes, PA-C is a Physician Assistant provider in Austin, TX (NPI 1578881082).
Provider details
- NPI number
- 1578881082
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA06528 (TX)
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
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,115 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) |
|---|---|---|
| Test for Allergy Using Allergenic Extract95004 | 608 | $3 |
| Test for Allergy Using Allergenic Extract Injected Into Skin95024 | 580 | $7 |
| Professional Service for Multiple Injections of Allergen95117 | 214 | $10 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 201 | $77 |
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 132 | $13 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 89 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 28 | — |
| Famotidine | 26 | — |
| Clotrimazole/Betamethasone Dipbrand: Clotrimazole-Betamethasone | 22 | 19 |
| Dupilumabbrand: Dupixent Pen | 22 | — |
| Fluticasone Propionate | 21 | 14 |
| Ofloxacin | 20 | 15 |
| Ipratropium Bromide | 19 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,142 across 39 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
- 2010-05-07
- Last updated
- 2015-09-02
Frequently asked questions
- What is Michelle Grimes's NPI number?
- Michelle Grimes's National Provider Identifier (NPI) is 1578881082, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Grimes's specialty?
- Michelle Grimes is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Michelle Grimes located?
- Michelle Grimes's practice location on file with NPPES is 4315 James Casey St, Austin, TX 78745-3365.
- What is Michelle Grimes's phone number?
- The practice phone number listed in the NPPES registry for Michelle Grimes is (512) 444-7944.
- Does Michelle Grimes accept Medicare?
- Michelle Grimes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michelle Grimes's NPI active?
- Yes — Michelle Grimes's NPI (1578881082) is active in the NPPES registry as of the last update on 2015-09-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.