Margaret Johnson, MD
NPI 1639169568 · Pulmonary Disease Physician · Jacksonville, FL
Enrolled with Medicare as Practitioner - Pulmonary Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Johnson, MD is a Pulmonary Disease Physician provider in Jacksonville, FL (NPI 1639169568).
Provider details
- NPI number
- 1639169568
- Entity type
- Individual
- Primary specialty
- Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- ME71324 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
632 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 201 | $88 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 199 | $121 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 63 | $109 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 43 | $159 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 42 | $16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 28 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Elexacaftor/Tezacaftor/Ivacaftbrand: Trikafta | 104 | — |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 98 | 35 |
| Umeclidinium Brm/Vilanterol Trbrand: Anoro Ellipta | 67 | 13 |
| Azithromycin | 52 | 17 |
| Prednisone | 49 | 31 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 42 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,576 across 2 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
- 2005-10-22
- Last updated
- 2020-08-28
- Certified
- 2020-08-28
Frequently asked questions
- What is Margaret Johnson's NPI number?
- Margaret Johnson's National Provider Identifier (NPI) is 1639169568, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Johnson's specialty?
- Margaret Johnson is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Johnson located?
- Margaret Johnson's practice location on file with NPPES is 4500 San Pablo Rd S, Jacksonville, FL 32224-1865.
- What is Margaret Johnson's phone number?
- The practice phone number listed in the NPPES registry for Margaret Johnson is (904) 953-2000.
- Does Margaret Johnson accept Medicare?
- Margaret Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Johnson's NPI active?
- Yes — Margaret Johnson's NPI (1639169568) is active in the NPPES registry as of the last update on 2020-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.