1. Home
  2. Directory
  3. Pennsylvania
  4. Philadelphia
  5. Psychiatry Neurology
  6. NPI Profile

DR. WILLIAM B. YOUNG M.D.
NPI 1841213477
Psychiatry & Neurology - Neurology in Philadelphia, PA

Active since July 25, 2006PECOS EnrolledAccepts Medicare Assignment
900 WALNUT ST, 2ND FLOOR, PHILADELPHIA, PA 19107(215) 955-2243(215) 955-2060 Get Directions Write a Review

NPPES record last updated: May 16, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. William B. Young M.d. NPPES

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

DR. WILLIAM B. YOUNG M.D. (NPI 1841213477) is an individual neurology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD-043462-E) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Thomas Jefferson University Hospital, and is a graduate of Pennsylvania State University College Of Medicine (1985).

NPPES Registry Identity

NPI1841213477
Entity TypeIndividualMale
Primary Taxonomy2084N0400X
Provider Legal NameDR. WILLIAM B. YOUNGCredential: M.D.
Location Address900 WALNUT ST, 2ND FLOORPhiladelphia, PA 19107-5509
Mailing Address900 Walnut St, 2nd FloorPhiladelphia, PA 19107-5509 · (215) 955-2243 · Fax (215) 955-2060
Phone(215) 955-2243
Fax(215) 955-2060
Sole ProprietorNo
Medical School CMSPennsylvania State University College Of MedicineGraduated 1985
Enumeration DateJuly 25, 2006
Last NPPES UpdateMay 16, 2014
✔ NPI 1841213477 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in PA · MD-043462-E
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
900 WALNUT ST, Philadelphia, PA 19107
Open in Google Maps ↗

Other Identifiers 3

Medicare PIN154117PA
Medicaid001165355PA
Medicaid7600704NJ

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. William B. Young M.d. 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 ID1153392444
PECOS Enrollment IDI20040802000766
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.

Medicare Billing Reassignment

Medicare enrollment records show William Young reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Jefferson University Physicians
0.2 mi
General Practice
33 S. 9TH STREET
Philadelphia, PA 19107
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 1,739 clinicians in this Medicare group
NPI 1326093675 (215) 955-0000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
161 services126 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
107 services78 patients
Injection of chemical for paralysis of facial and neck nerve muscles on both sides of face 64615
This procedure involves injecting a chemical into specific facial and neck muscles, causing temporary paralysis. This helps reduce muscle activity and can alleviate certain medical conditions. Both sides of the face are treated for a balanced result.
88 services53 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
44 services18 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
22 services22 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
17 services17 patients

Hospital Affiliations CMS Care Compare

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

Thomas Jefferson University Hospital

Acute Care Hospitals · Philadelphia, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390174
Location111 South 11th StreetPhiladelphia, PA 19107 · Philadelphia County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19107 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. OLATUNDE KUPONIYI DO
Internal Medicine
900 WALNUT ST
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-7000
DR. JENNIFER R. TINKER PH.D.
Clinical Neuropsychologist
900 WALNUT ST, 2ND FLR, JEFFERSON HOSPITAL FOR NEUROSCIENCES
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-1222
DR. STEPHANIE J. NAHAS-GEIGER M.D.
Psychiatry & Neurology (Neurology)
900 WALNUT ST, 2ND FLOOR
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-2243
DR. DANIEL E. KREMENS M.D., J.D.
Psychiatry & Neurology (Neurology)
900 WALNUT ST, 2ND FLOOR
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-1234
ALEXANDER S HINNENKAMP
Internal Medicine
900 WALNUT ST
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-6000
DR. ABDOLMOHAMAD ROSTAMI M.D.
Psychiatry & Neurology (Neurology)
900 WALNUT ST
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-1234
CHRISTINE MARCELLO CRNP
Nurse Practitioner (Family)
900 WALNUT ST
PHILADELPHIA, PA 19107
Philadelphia County (215) 503-6538
DR. ROBERT L. BARCHI M.D.
Psychiatry & Neurology (Neurology)
900 WALNUT ST, 2ND FLOOR
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-1234

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 William Young's NPI number?

The NPI number for William Young is 1841213477. It was assigned to this individual provider in the NPPES registry on July 25, 2006.

Where is William Young located?

William Young practices at 900 Walnut St 2nd Floor, Philadelphia, PA 19107. The listed phone number is (215) 955-2243.

What is William Young's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is William Young enrolled in Medicare?

Yes. William Young 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.

Which organization bills Medicare for William Young's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Young reassigns Medicare benefits to Jefferson University Physicians (Philadelphia, PA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for William Young's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is William Young affiliated with any hospitals?

According to CMS data, William Young is affiliated with Thomas Jefferson University Hospital.

When was this NPI record last updated?

The NPPES record for William Young was last updated on May 16, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years 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.