Karyn King, M.D.
NPI 1952890485 · Family Medicine Physician · South Portland, ME
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karyn King, M.D. is a Family Medicine Physician provider in South Portland, ME (NPI 1952890485).
Provider details
- NPI number
- 1952890485
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD24572 (ME)
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
8 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
159 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 36 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 35 | $83 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 27 | $114 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 18 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 15 | $13 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 14 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 213 | 64 |
| Levothyroxine Sodium | 134 | 32 |
| Lisinopril | 98 | 26 |
| Amlodipine Besylate | 89 | 21 |
| Omeprazole | 72 | 23 |
| Losartan Potassium | 67 | 19 |
| Hydrochlorothiazide | 58 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-05-10
- Last updated
- 2026-03-03
- Certified
- 2026-03-03
Frequently asked questions
- What is Karyn King's NPI number?
- Karyn King's National Provider Identifier (NPI) is 1952890485, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karyn King's specialty?
- Karyn King is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karyn King located?
- Karyn King's practice location on file with NPPES is 100 Foden Rd Ste 203, South Portland, ME 04106-2327.
- What is Karyn King's phone number?
- The practice phone number listed in the NPPES registry for Karyn King is (207) 874-1489.
- Does Karyn King accept Medicare?
- Karyn King is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karyn King's NPI active?
- Yes — Karyn King's NPI (1952890485) is active in the NPPES registry as of the last update on 2026-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.