Keren John, PA- CERTIFIED
NPI 1285190462 · Physician Assistant · New London, CT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Keren John, PA- CERTIFIED is a Physician Assistant provider in New London, CT (NPI 1285190462).
Provider details
- NPI number
- 1285190462
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA- CERTIFIED
- Sex
- Female
- Sole proprietor
- No
- License
- 4523 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
7 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 89 | 42 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 51 | 16 |
| Metformin Hcl | 49 | 18 |
| Lisinopril | 42 | 19 |
| Amlodipine Besylate | 41 | 26 |
| Pantoprazole Sodium | 39 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$16 across 1 record (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
- 2019-02-13
- Last updated
- 2025-08-15
- Certified
- 2025-08-15
Frequently asked questions
- What is Keren John's NPI number?
- Keren John's National Provider Identifier (NPI) is 1285190462, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keren John's specialty?
- Keren John is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Keren John located?
- Keren John's practice location on file with NPPES is 365 Montauk Ave, New London, CT 06320-4700.
- What is Keren John's phone number?
- The practice phone number listed in the NPPES registry for Keren John is (860) 442-0711.
- Does Keren John accept Medicare?
- Keren John is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Keren John's NPI active?
- Yes — Keren John's NPI (1285190462) is active in the NPPES registry as of the last update on 2025-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.