Quick answers
- Does Angela R. Johannes accept Medicare assignment?
- Yes. Medicare's clinician data says Angela R. Johannes accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Angela R. Johannes see?
- In 2024, CMS data shows 550 Original Medicare patients and 2,390 services for Angela R. Johannes. This counts Original Medicare only and measures volume, not quality.
- What is Angela R. Johannes's NPI number?
- 1699102285. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Angela R. Johannes, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 550 |
|---|---|
| Services billed to Medicare | 2,390 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)809 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)459 services
- Destruction of skin growth, 1-14 growths (17110)240 services
- Destruction of precancer skin growth, 1 growth (17000)222 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)167 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis39%
- Diabetes30%
- Ischemic heart disease25%
- Anxiety21%
Practice locations
Addresses where Angela R. Johannes is enrolled with Medicare (CMS data updated October 2, 2026).
- 22590 Shady Ct, Suite 3California, MD 20619 (301) 994‑8010
- 37767 Market Dr, Unit 2Charlotte Hall, MD 20622 (301) 884‑0278
- 37767 Market Dr, Unit 200Charlotte Hall, MD 20622
- 6355 Walker Ln, Suite 311Alexandria, VA 22310 (703) 822‑0222
Group practices
Medicare enrollment lists Angela R. Johannes as a member of these groups (CMS data updated October 2, 2026).
- Allphases Dermatology LLC6 clinicians in the group
- Shah Dermatology LLC6 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in California
Clinicians with the same Medicare primary specialty in California, MD — not a recommendation.
Other clinicians in Allphases Dermatology LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2013 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1699102285 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians