Dr Nathan Charles Nowalk, MD in Philadelphia, PA

Dr Nathan Charles Nowalk, MD is a medicare enrolled "Internal Medicine - Sleep Medicine" physician in Philadelphia, Pennsylvania. His current practice location is 3624 Market St Ste 201, Philadelphia, Pennsylvania. You can reach out to his office (for appointments etc.) via phone at (215) 662-7772.

Dr Nathan Charles Nowalk is licensed to practice in Pennsylvania (license number MD490543) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1003298720.

Contact Information

	Dr Nathan Charles Nowalk, MD
	3624 Market St Ste 201, Philadelphia, PA 19104-2614
	(215) 662-7772
	Not Available

Map and Direction

Physician's Profile

Full Name	Dr Nathan Charles Nowalk
Gender	Male
Speciality	Internal Medicine - Sleep Medicine
Location	3624 Market St Ste 201, Philadelphia, Pennsylvania
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1003298720
Provider Enumeration Date: 06/18/2015
Last Update Date: 08/16/2025

Medicare PECOS Information:

PECOS PAC ID: 8224373873
Enrollment ID: I20250319000657

Medical Identifiers

Medical identifiers for Dr Nathan Charles Nowalk such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1003298720	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RS0012X	Internal Medicine - Sleep Medicine	MD490543 (Pennsylvania)	Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Nathan Charles Nowalk allows following entities to bill medicare on his behalf.

Entity Name	University Of Chicago
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1821048786 PECOS PAC ID: 7719899426 Enrollment ID: O20031103000094

Entity Name	The University Of Chicago Medical Center
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1033218128 PECOS PAC ID: 7618880766 Enrollment ID: O20031106000203

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Nathan Charles Nowalk is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing Address	Practice Location Address
Dr Nathan Charles Nowalk, MD 3624 Market St Ste 205, Philadelphia, PA 19104-2616 Ph: (215) 349-5477	Dr Nathan Charles Nowalk, MD 3624 Market St Ste 201, Philadelphia, PA 19104-2614 Ph: (215) 662-7772

Reviews and Comments

Internal Medicine Doctors in Philadelphia, PA

Philippe Olivier Szapary, MD Internal Medicine Medicare: Not Enrolled in Medicare Practice Location: 3400 Civic Center Blvd, East Pavilion, 2nd Floor, Philadelphia, PA 19104 Phone: 215-615-4949
Dr. Jamie L. Garfield, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 3401 N Broad St, Philadelphia, PA 19140 Phone: 215-707-5864 Fax: 215-707-6867
Maria Esther Escorcia De Leon, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 3401 N Broad St, Philadelphia, PA 19140 Phone: 215-707-1622 Fax: 215-707-0943
Cherag Daruwala, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 2301 E Allegheny Ave, Suite 190b, Philadelphia, PA 19134 Phone: 215-926-3120 Fax: 215-926-3123
Dr. Robert Burke, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 51 N 39th St, Philadelphia, PA 19104 Phone: 215-662-9436 Fax: 215-243-3208
Eva Hassan Alsheik, M.D. Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 219 N Broad St, 5th Floor, Philadelphia, PA 19107 Phone: 215-762-6071
Dr. Jason Thomas Ackrivo, MD Internal Medicine Medicare: Accepting Medicare Assignments Practice Location: 3400 Spruce St, Philadelphia, PA 19104 Phone: 215-614-0871

Dr Nathan Charles Nowalk, MD - Medicare Internal Medicine in Philadelphia, PA