Megan Hammer, FNP
NPI 1538743273 · Family Nurse Practitioner · Marshfield, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Megan Hammer, FNP is a Family Nurse Practitioner provider in Marshfield, MO (NPI 1538743273).
Provider details
- NPI number
- 1538743273
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 2020020650 (MO)
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
5 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
574 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 495 | $77 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 30 | $9 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 23 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 13 | $52 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 13 | $114 |
Typical Medicare-allowed amounts for these services range $8–$114 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 245 | 115 |
| Spironolactone | 213 | 77 |
| Carvedilol | 178 | 60 |
| Amlodipine Besylate | 165 | 69 |
| Atorvastatin Calcium | 162 | 65 |
| Lisinopril | 143 | 55 |
| Apixabanbrand: Eliquis |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,849 across 98 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
- 2021-05-10
- Last updated
- 2023-04-20
- Certified
- 2023-04-20
Frequently asked questions
- What is Megan Hammer's NPI number?
- Megan Hammer's National Provider Identifier (NPI) is 1538743273, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Megan Hammer's specialty?
- Megan Hammer is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Megan Hammer located?
- Megan Hammer's practice location on file with NPPES is 1166 Banning St, Marshfield, MO 65706-1015.
- What is Megan Hammer's phone number?
- The practice phone number listed in the NPPES registry for Megan Hammer is (417) 859-2400.
- Does Megan Hammer accept Medicare?
- Megan Hammer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Megan Hammer's NPI active?
- Yes — Megan Hammer's NPI (1538743273) is active in the NPPES registry as of the last update on 2023-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.