Sara O'Connell-Mayernik, MD
NPI 1952612947 · Family Medicine Physician · Helena, MT
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sara O'Connell-Mayernik, MD is a Family Medicine Physician provider in Helena, MT (NPI 1952612947).
Provider details
- NPI number
- 1952612947
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 24286 (MT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 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
452 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) |
|---|---|---|
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 138 | $128 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 88 | $94 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 85 | $64 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 60 | $140 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 47 | $34 |
| Nursing Facility Discharge Management, More Than 30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 153 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 664 | 136 |
| Levothyroxine Sodium | 616 | 126 |
| Omeprazole | 542 | 96 |
| Losartan Potassium | 361 | 84 |
| Metoprolol Succinate | 298 | 57 |
| Lisinopril | 279 | 74 |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-24
- Last updated
- 2019-12-31
- Certified
- 2019-12-31
Frequently asked questions
- What is Sara O'Connell-Mayernik's NPI number?
- Sara O'Connell-Mayernik's National Provider Identifier (NPI) is 1952612947, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sara O'Connell-Mayernik's specialty?
- Sara O'Connell-Mayernik is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sara O'Connell-Mayernik located?
- Sara O'Connell-Mayernik's practice location on file with NPPES is 2550 E Broadway St, Helena, MT 59601-4905.
- What is Sara O'Connell-Mayernik's phone number?
- The practice phone number listed in the NPPES registry for Sara O'Connell-Mayernik is (406) 457-4180.
- Does Sara O'Connell-Mayernik accept Medicare?
- Sara O'Connell-Mayernik is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sara O'Connell-Mayernik's NPI active?
- Yes — Sara O'Connell-Mayernik's NPI (1952612947) is active in the NPPES registry as of the last update on 2019-12-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.