Karen Appiah, M.D
NPI 1427390434 · Family Medicine Physician · Trenton, NJ
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Appiah, M.D is a Family Medicine Physician provider in Trenton, NJ (NPI 1427390434).
Provider details
- NPI number
- 1427390434
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Female
- Sole proprietor
- No
- License
- MD460401 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
959 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 412 | $119 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 227 | $80 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 194 | $115 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 126 | $175 |
Typical Medicare-allowed amounts for these services range $80–$175 (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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 26 | 12 |
| Atorvastatin Calcium | 19 | 11 |
| Ondansetronbrand: Ondansetron Odt | 17 | 17 |
| Furosemide | 16 | 13 |
| Metoprolol Succinate | 13 | 13 |
| Prednisone | 13 | 12 |
| Cefuroxime Axetilbrand: Cefuroxime | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$49 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
Additional practice locations (3)
- 111 Continental DrNewark, DE 19713-4306Phone: (302) 368-2630
- 1 Capital WayPennington, NJ 08534-2520Phone: (609) 303-4000
- 1203 Langhorne Newtown Rd Ste 226Langhorne, PA 19047-1224Phone: (215) 710-4460Fax: (215) 710-4465
Registry dates
- Enumerated
- 2013-03-18
- Last updated
- 2025-10-02
- Certified
- 2025-10-02
Frequently asked questions
- What is Karen Appiah's NPI number?
- Karen Appiah's National Provider Identifier (NPI) is 1427390434, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Appiah's specialty?
- Karen Appiah is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Appiah located?
- Karen Appiah's practice location on file with NPPES is 750 Brunswick Ave, Trenton, NJ 08638-4143.
- What is Karen Appiah's phone number?
- The practice phone number listed in the NPPES registry for Karen Appiah is (609) 394-6000.
- Does Karen Appiah accept Medicare?
- Karen Appiah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Appiah's NPI active?
- Yes — Karen Appiah's NPI (1427390434) is active in the NPPES registry as of the last update on 2025-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.