STEVEN C WILLIAMS MD
NPI 1093797755
Internal Medicine in Pittsburgh, PA

Q: What is Steven Williams's NPI number?

The NPI number for Steven Williams is 1093797755. It was assigned to this individual provider in the NPPES registry on November 17, 2005.

Q: What is Steven Williams's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Steven Williams was last updated on October 6, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since November 17, 2005PECOS Enrolled

93.78/100

CMS Quality Rating

320 E NORTH AVE, PITTSBURGH, PA 15212(412) 359-3030(412) 359-3060 Get Directions Write a Review

NPPES record last updated: October 6, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 6, 2020, Mar 17, 2018, Feb 14, 2018 (3 updates tracked since 2018).

On this page

About Steven C Williams Md NPPES

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

STEVEN C WILLIAMS MD (NPI 1093797755) is an individual internal medicine provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (MD023769E) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1093797755

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameSTEVEN C WILLIAMSCredential: MD

Location Address320 E NORTH AVEPittsburgh, PA 15212-4756

Mailing Address320 E North AvePittsburgh, PA 15212-4756 · (412) 359-3030 · Fax (412) 359-3060

Phone(412) 359-3030

Fax(412) 359-3060

Sole ProprietorNo

Enumeration DateNovember 17, 2005

Last NPPES UpdateOctober 6, 20203 updates tracked since enumeration

NPPES CertifiedOctober 6, 2020

✔ NPI 1093797755 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 · MD023769E

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.

320 E NORTH AVE, Pittsburgh, PA 15212

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Secondary Practice Locations 2

Location 1PH Drawer, Chinle IHS HospitalChinle, AZ 86503 · Phone (928) 674-7001

Location 24800 Friendship AvePittsburgh, PA 15224-1722 · Phone (412) 359-3030 · Fax (412) 359-3060

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Steven C Williams Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

Medicare enrollment records show Steven Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Allegheny Clinic

Same address

Surgery

320 E NORTH AVE
Pittsburgh, PA 15212

Reassigned Medicare billing, Pennsylvania enrollment
2,881 clinicians in this Medicare group

NPI 1023018447 (412) 359-3336

Dhhs Phs Naihs Chinle Comprehensive Health Care Facility

1,610 mi

General Acute Care Hospital

NAVAJO ROUTE 64
Tsaile, AZ 86556

Reassigned Medicare billing, Texas enrollment
476 clinicians in this Medicare group

NPI 1538185715 (928) 724-3600

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 3

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.

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.

140 services61 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

36 services36 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

17 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 15212 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

$126.34 typical visit price

range $54.64 – $166.87

Typical copayment $31.58 (range $13.66 – $41.71)

Most-billed visit code 99204

Established Patient

$96.82 typical visit price

range $17.33 – $135.84

Typical copayment $24.20 (range $4.33 – $33.96)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.78/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

85.07

Promoting Interoperability

100

Improvement Activities

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. MATTHEW SCOTT HARTMAN M.D.

Radiology (Diagnostic Radiology)

320 E NORTH AVE
PITTSBURGH, PA 15212

Allegheny County (412) 359-2459

DR. JOSEF TURNER M.D.

Emergency Medicine

320 E NORTH AVE, EMERGENCY MEDICINE RESIDENCY OFFICE
PITTSBURGH, PA 15212

Allegheny County (412) 359-4905

DR. MATTHEW MICHAEL LANDER M.D.

Internal Medicine (Advanced Heart Failure and Transplant Cardiology)

320 E NORTH AVE
PITTSBURGH, PA 15212

Allegheny County (412) 359-6500

DR. VINCENT SAMUEL CERETTO D.O

Emergency Medicine (Medical Toxicology)

320 E NORTH AVE
PITTSBURGH, PA 15212

Allegheny County (412) 359-3030

MATTHEW LYONS CRNA

Nurse Anesthetist, Certified Registered

320 E NORTH AVE
PITTSBURGH, PA 15212

Allegheny County (412) 359-3155

MISS KRISTY LYNN BOWMAN RN

Nurse Anesthetist, Certified Registered

320 E NORTH AVE
PITTSBURGH, PA 15212

Allegheny County (412) 359-6581

ANNA MOSELEY VANATTA MD

Emergency Medicine

320 E NORTH AVE
PITTSBURGH, PA 15212

Allegheny County (412) 359-4905

MACKENZIE MARIE MCGAHAN DO

Emergency Medicine

320 E NORTH AVE
PITTSBURGH, PA 15212

Allegheny County (412) 359-4905

SAMUEL MCGUIRE BRIMMER MD

Student in an Organized Health Care Education/Training Program

320 E NORTH AVE
PITTSBURGH, PA 15212

Allegheny County (412) 359-6501

SAMEEN AAMER

Student in an Organized Health Care Education/Training Program

320 E NORTH AVE
PITTSBURGH, PA 15212

Allegheny County (412) 359-4971

KATHLEEN ISABELLA PRICE DO

Student in an Organized Health Care Education/Training Program

320 E NORTH AVE
PITTSBURGH, PA 15212

Allegheny County (412) 359-3469

ALYSHA LANAE KELYMAN DO, MSMED

Student in an Organized Health Care Education/Training Program

320 E NORTH AVE
PITTSBURGH, PA 15212

Allegheny County (412) 359-8191

EDWARD CARL SEIDL

Pharmacist (Pharmacotherapy)

320 E NORTH AVE
PITTSBURGH, PA 15212

Allegheny County (412) 742-9931

MUHAMMAD AYYAN

Student in an Organized Health Care Education/Training Program

320 E NORTH AVE
PITTSBURGH, PA 15212

Allegheny County (412) 359-4971

BRIDGET LLOYD

Student in an Organized Health Care Education/Training Program

320 E NORTH AVE
PITTSBURGH, PA 15212

Allegheny County (412) 330-4242

KATHERINE M CAHOUET CRNA

Nurse Anesthetist, Certified Registered

320 E NORTH AVE
PITTSBURGH, PA 15212

Allegheny County (412) 359-3131

ARVIND VENKAT MD

Emergency Medicine

320 E NORTH AVE
PITTSBURGH, PA 15212

Allegheny County (412) 359-6180

PAUL KARL ALDINGER D.O.

Radiology (Diagnostic Radiology)

320 E NORTH AVE
PITTSBURGH, PA 15212

Allegheny County (412) 359-8743

ABHISHEK PUROHIT MD

Internal Medicine

320 E NORTH AVE
PITTSBURGH, PA 15212

Allegheny County (412) 359-3131

MS. SHIVANI DUA M.D.

Physical Medicine & Rehabilitation (Pain Medicine)

320 E NORTH AVE
PITTSBURGH, PA 15212

Allegheny County (412) 359-3005

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 Steven Williams's NPI number?

The NPI number for Steven Williams is 1093797755. It was assigned to this individual provider in the NPPES registry on November 17, 2005.

Where is Steven Williams located?

Steven Williams practices at 320 E North Ave, Pittsburgh, PA 15212. The listed phone number is (412) 359-3030.

What is Steven Williams's specialty?

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

Is Steven Williams enrolled in Medicare?

Yes. Steven Williams is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Steven Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Steven Williams reassigns Medicare benefits to 2 organizations: Allegheny Clinic (Pittsburgh, PA) and Dhhs Phs Naihs Chinle Comprehensive Health Care Facility (Tsaile, AZ). Each 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 Steven Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Steven Williams was last updated on October 6, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.