Quick answers
- Does Johanna L. King accept Medicare assignment?
- Yes. Medicare's clinician data says Johanna L. King 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 Johanna L. King see?
- In 2024, CMS data shows 410 Original Medicare patients and 1,165 services for Johanna L. King. This counts Original Medicare only and measures volume, not quality.
- What is Johanna L. King's NPI number?
- 1477018604. 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 Johanna L. King, 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 | 410 |
|---|---|
| Services billed to Medicare | 1,165 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)375 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)250 services
- 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's (G2211)150 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)127 services
- Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use (90677)58 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 cholesterol75%
- High blood pressure72%
- Arthritis39%
- Anxiety31%
- Ischemic heart disease23%
- Diabetes21%
Hospitals where Johanna L. King works
Medicare's Facility Affiliation Data lists Johanna L. King at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Anna Jaques HospitalNewburyport, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220029
- Exeter Hospital IncExeter, NH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 300023
- Portsmouth Regional HospitalPortsmouth, NH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 300029
- Wentworth-Douglass HospitalDover, NH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 300018
Practice locations
Addresses where Johanna L. King is enrolled with Medicare (CMS data updated October 2, 2026).
- 330 Borthwick Ave, Suite 201Portsmouth, NH 03801 (603) 436‑6638
- 330 Borthwick Ave, Suite 308Portsmouth, NH 03801 (603) 431‑5242
- 55 High StHampton, NH 03842 (603) 436‑5110
- 55 High St, Suite 201Hampton, NH 03842 (603) 929‑2137
Group practices
Medicare enrollment lists Johanna L. King as a member of this group (CMS data updated October 2, 2026).
- Appledore Medical Group Inc196 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Portsmouth
Clinicians with the same Medicare primary specialty in Portsmouth, NH — not a recommendation.
Other clinicians in Appledore Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| School | Tufts University School Of Medicine |
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477018604 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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