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GRANT KNOLL MD
NPI 1447980958
Internal Medicine in Wynnewood, PA

Active since June 16, 2022PECOS EnrolledAccepts Medicare Assignment
100 E LANCASTER AVE, WYNNEWOOD, PA 19096(484) 476-6421 Get Directions Write a Review

NPPES record last updated: May 19, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Grant Knoll Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GRANT KNOLL MD (NPI 1447980958) is an individual internal medicine provider in Wynnewood, Pennsylvania, licensed in Pennsylvania (MD489189) and active in the NPI registry since June 2022. He is enrolled in Medicare PECOS, is affiliated with Main Line Hospital Lankenau, and maintains a secondary practice location in Philadelphia.

NPPES Registry Identity

NPI1447980958
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameGRANT KNOLLCredential: MD
Location Address100 E LANCASTER AVEWynnewood, PA 19096-3450
Mailing Address3803 W Chester Pike Ste 160Newtown Square, PA 19073-2336 · (484) 337-1632
Phone(484) 476-6421
Sole ProprietorYes
Medical School CMSTemple University School Of MedicineGraduated 2022
Enumeration DateJune 16, 2022
Last NPPES UpdateMay 19, 2025
NPPES CertifiedMay 19, 2025
✔ NPI 1447980958 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in PA · MD489189
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
100 E LANCASTER AVE, Wynnewood, PA 19096
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Secondary Practice Location 1

Location 13401 N Broad StPhiladelphia, PA 19140-5189 · Phone (215) 707-3606

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Highmark Blue Cross Blue Shield Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Grant Knoll Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1951781012
PECOS Enrollment IDI20250628000376
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Main Line Hospital Lankenau

Acute Care Hospitals · Wynnewood, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390195
Location100 Lancaster AveWynnewood, PA 19096 · Montgomery County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19096 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.17 typical visit price
range $59.88 – $180.99
Typical copayment $34.29 (range $14.97 – $45.24)
Most-billed visit code 99204
Established Patient
$105.21 typical visit price
range $19.30 – $147.29
Typical copayment $26.30 (range $4.82 – $36.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. AKHNUWKH JONES M.D.
Internal Medicine
100 E LANCASTER AVE
WYNNEWOOD, PA 19096
Montgomery County (610) 645-2000
AMANDA B CHRISTINI MD
Internal Medicine
100 E LANCASTER AVE, 4 PAVILION, SUITE 4303
WYNNEWOOD, PA 19096
Montgomery County (484) 476-6421
LAI KWAN LOUIE RPH
Pharmacist
100 E LANCASTER AVE, SUITE #12
WYNNEWOOD, PA 19096
Montgomery County (610) 658-8640
DANIEL WANG MD
Internal Medicine
100 E LANCASTER AVE, 4 PAVILION STE 4303
WYNNEWOOD, PA 19096
Montgomery County (484) 476-6421
SARAH TYRRELL CRNA
Nurse Anesthetist, Certified Registered
100 E LANCASTER AVE
WYNNEWOOD, PA 19096
Montgomery County (610) 645-2000
MARGARET MACK
Student in an Organized Health Care Education/Training Program
100 E LANCASTER AVE
WYNNEWOOD, PA 19096
Montgomery County (610) 642-3796
XIAOLING YU MD
Hospitalist
100 E LANCASTER AVE
WYNNEWOOD, PA 19096
Montgomery County (484) 476-6421
JONATHAN HONGYI CHEN MD
Student in an Organized Health Care Education/Training Program
100 E LANCASTER AVE
WYNNEWOOD, PA 19096
Montgomery County (484) 476-2000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Grant Knoll's NPI number?

The NPI number for Grant Knoll is 1447980958. It was assigned to this individual provider in the NPPES registry on June 16, 2022.

Where is Grant Knoll located?

Grant Knoll practices at 100 E Lancaster Ave, Wynnewood, PA 19096. The listed phone number is (484) 476-6421.

What is Grant Knoll's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Grant Knoll enrolled in Medicare?

Yes. Grant Knoll is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Grant Knoll accept?

Health plans from Highmark Blue Cross Blue Shield Delaware list Grant Knoll as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Grant Knoll affiliated with any hospitals?

According to CMS data, Grant Knoll is affiliated with Main Line Hospital Lankenau.

When was this NPI record last updated?

The NPPES record for Grant Knoll was last updated on May 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.