Megan Johnson, DO
NPI 1841866936 · Internal Medicine Physician · Springfield, MO
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Megan Johnson, DO is a Internal Medicine Physician provider in Springfield, MO (NPI 1841866936).
Provider details
- NPI number
- 1841866936
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 2024018950 (MO)
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
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
106 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 66 | $74 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 23 | $104 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 17 | $75 |
Typical Medicare-allowed amounts for these services range $74–$104 (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 · 20 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Metformin Hcl | 26 |
| Atorvastatin Calcium | 25 |
| Carvedilol | 25 |
| Lisinopril | 24 |
| Citalopram Hydrobromidebrand: Citalopram Hbr | 24 |
| Levothyroxine Sodium | 23 |
| Omeprazole | 20 |
| Trazodone Hcl | 19 |
| Amlodipine Besylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-05-31
- Last updated
- 2024-08-15
- Certified
- 2024-08-15
Frequently asked questions
- What is Megan Johnson's NPI number?
- Megan Johnson's National Provider Identifier (NPI) is 1841866936, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Megan Johnson's specialty?
- Megan Johnson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Megan Johnson located?
- Megan Johnson's practice location on file with NPPES is 3801 S National Ave, Springfield, MO 65807-5210.
- What is Megan Johnson's phone number?
- The practice phone number listed in the NPPES registry for Megan Johnson is (417) 269-6000.
- Does Megan Johnson accept Medicare?
- Megan Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Megan Johnson's NPI active?
- Yes — Megan Johnson's NPI (1841866936) is active in the NPPES registry as of the last update on 2024-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.