Grant Knoll, MD
NPI 1447980958 · Internal Medicine Physician · Wynnewood, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grant Knoll, MD is a Internal Medicine Physician provider in Wynnewood, PA (NPI 1447980958).
Provider details
- NPI number
- 1447980958
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD489189 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
4 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- 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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Amlodipine Besylate | 22 |
| Furosemide | 22 |
| Atorvastatin Calcium | 18 |
| Nifedipinebrand: Nifedipine Er | 16 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 14 |
| Flecainide Acetate | 13 |
| Fosinopril Sodium | 13 |
| Metformin Hcl | 13 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 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
Additional practice locations (1)
- 3401 N Broad StPhiladelphia, PA 19140-5189Phone: (215) 707-3606
Registry dates
- Enumerated
- 2022-06-16
- Last updated
- 2025-05-19
- Certified
- 2025-05-19
Frequently asked questions
- What is Grant Knoll's NPI number?
- Grant Knoll's National Provider Identifier (NPI) is 1447980958, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grant Knoll's specialty?
- Grant Knoll is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Grant Knoll located?
- Grant Knoll's practice location on file with NPPES is 100 E Lancaster Ave, Wynnewood, PA 19096-3450.
- What is Grant Knoll's phone number?
- The practice phone number listed in the NPPES registry for Grant Knoll is (484) 476-6421.
- Does Grant Knoll accept Medicare?
- Grant Knoll is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grant Knoll's NPI active?
- Yes — Grant Knoll's NPI (1447980958) is active in the NPPES registry as of the last update on 2025-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.