Margaret Gressle, ACNP-BC
NPI 1003119132 · Acute Care Nurse Practitioner · Port Huron, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Gressle, ACNP-BC is a Acute Care Nurse Practitioner provider in Port Huron, MI (NPI 1003119132).
Provider details
- NPI number
- 1003119132
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ACNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 4704235966 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 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
83 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) |
|---|---|---|
| Automated Urinalysis Test81003 | 32 | $2 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 | 18 | $46 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 18 | $12 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 15 | $105 |
Typical Medicare-allowed amounts for these services range $2–$105 (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 · 119 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 357 | 82 |
| Omeprazole | 275 | 72 |
| Atorvastatin Calcium | 249 | 75 |
| Lisinopril | 235 | 70 |
| Losartan Potassium | 222 | 62 |
| Amlodipine Besylate | 172 | 47 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$294 across 11 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
Additional practice locations (1)
- 2601 Electric AvePort Huron, MI 48060-6587Phone: (810) 985-1500
Registry dates
- Enumerated
- 2010-12-12
- Last updated
- 2018-03-17
Frequently asked questions
- What is Margaret Gressle's NPI number?
- Margaret Gressle's National Provider Identifier (NPI) is 1003119132, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Gressle's specialty?
- Margaret Gressle is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Gressle located?
- Margaret Gressle's practice location on file with NPPES is 1221 Pine Grove Ave, Port Huron, MI 48060-3511.
- What is Margaret Gressle's phone number?
- The practice phone number listed in the NPPES registry for Margaret Gressle is (810) 987-5000.
- Does Margaret Gressle accept Medicare?
- Margaret Gressle is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Gressle's NPI active?
- Yes — Margaret Gressle's NPI (1003119132) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.