Stephanie Mergenthaler, NP
NPI 1942877220 · Nurse Practitioner · Augusta, ME
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Mergenthaler, NP is a Nurse Practitioner provider in Augusta, ME (NPI 1942877220).
Provider details
- NPI number
- 1942877220
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- CNP211237 (ME)
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
5 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
134 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 | 86 | $78 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 48 | $53 |
Typical Medicare-allowed amounts for these services range $53–$78 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Monohydrate | 48 | 47 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 41 | 40 |
| Cephalexin | 40 | 40 |
| Azithromycin | 33 | 32 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 32 | 32 |
| Prednisone | 28 | 28 |
| Ciprofloxacin Hcl | 18 | 18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-06-07
- Last updated
- 2021-06-07
- Certified
- 2021-06-07
Frequently asked questions
- What is Stephanie Mergenthaler's NPI number?
- Stephanie Mergenthaler's National Provider Identifier (NPI) is 1942877220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Mergenthaler's specialty?
- Stephanie Mergenthaler is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Stephanie Mergenthaler located?
- Stephanie Mergenthaler's practice location on file with NPPES is 15 Enterprise Dr, Augusta, ME 04330-7997.
- What is Stephanie Mergenthaler's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Mergenthaler is (207) 621-8880.
- Does Stephanie Mergenthaler accept Medicare?
- Stephanie Mergenthaler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Mergenthaler's NPI active?
- Yes — Stephanie Mergenthaler's NPI (1942877220) is active in the NPPES registry as of the last update on 2021-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.