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DR. WILLIAM CARL MERCER MD
NPI 1780687558
Family Medicine in Wheeling, WV

Active since May 24, 2005PECOS EnrolledAccepts Medicare Assignment
94.1/100
CMS Quality Rating
58 16TH ST, FL 3, WHEELING, WV 26003(304) 232-5725(304) 233-0698 Get Directions Write a Review

NPPES record last updated: September 19, 2022. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. William Carl Mercer Md NPPES

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

DR. WILLIAM CARL MERCER MD (NPI 1780687558) is an individual family medicine provider in Wheeling, West Virginia, licensed in West Virginia (12007) and active in the NPI registry since May 2005. He is enrolled in Medicare PECOS, is affiliated with Wheeling Hospital, Inc, and is a graduate of West Virginia University School Of Medicine (1979).

NPPES Registry Identity

NPI1780687558
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. WILLIAM CARL MERCERCredential: MD
Location Address58 16TH ST, FL 3Wheeling, WV 26003-3660
Mailing Address58 16th St, Fl 3Wheeling, WV 26003-3660 · (304) 232-5725 · Fax (304) 233-0698
Phone(304) 232-5725
Fax(304) 233-0698
Sole ProprietorYes
Medical School CMSWest Virginia University School Of MedicineGraduated 1979
Enumeration DateMay 24, 2005
Last NPPES UpdateSeptember 19, 2022
NPPES CertifiedSeptember 19, 2022
✔ NPI 1780687558 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in WV · 12007
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
58 16TH ST, Wheeling, WV 26003
Open in Google Maps ↗

Other Identifiers 1

Other12007WV · State License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.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

Dr. William Carl Mercer 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 ID1850346248
PECOS Enrollment IDI20110303001006
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.

Areas of Expertise CMS Part B claims 10

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 nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
260 services92 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
176 services60 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
157 services82 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 99307
A follow-up nursing facility visit per day typically lasts about 10 minutes. This service involves a healthcare professional checking on your health status, answering any questions you may have, and monitoring your progress. This routine check ensures your recovery is on track and any concerns are addressed promptly.
81 services53 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
49 services46 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
46 services25 patients

Hospital Affiliations CMS Care Compare

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

Wheeling Hospital, Inc

Acute Care Hospitals · Wheeling, WV
1/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number510050
Location1 Medical ParkWheeling, WV 26003 · Ohio County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 26003 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
$83.49 typical visit price
range $53.20 – $164.59
Typical copayment $20.87 (range $13.30 – $41.14)
Most-billed visit code 99203
Established Patient
$94.81 typical visit price
range $16.47 – $133.29
Typical copayment $23.70 (range $4.11 – $33.32)
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.

94.1/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality78.46
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
100%344 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Composite dressing, sterile, pad size 16 sq. in. or less, with any size adhesive border, each dressing A6203
DME-Medical/Surgical Supplies · category DA023N
1 supplier16 claims760 services$3.26 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$15.60 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$83.83 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

JULIE SUZANNE BUNNER MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
58 16TH ST
WHEELING, WV 26003
Ohio County (304) 243-6410
MARNIE J MARKER M.D.
Internal Medicine (Nephrology)
58 16TH ST, SUITE 500
WHEELING, WV 26003
Ohio County (304) 234-1751
GARY A GANZER M.D.
Dermatology (Procedural Dermatology)
58 16TH ST
WHEELING, WV 26003
Ohio County (304) 234-1985
KATARZYNA A PRZYSZLAK MD
Family Medicine
58 16TH ST
WHEELING, WV 26003
Ohio County (304) 234-2004
KARA MCGILTON DOUGHERTY NP
Nurse Practitioner (Family)
58 16TH ST, 3RD FLOOR
WHEELING, WV 26003
Ohio County (304) 232-5725
MRS. KASI LYN ROGERS RN
Nurse Practitioner (Primary Care)
58 16TH ST
WHEELING, WV 26003
Ohio County (304) 234-2000
KOURTNEY BELL KING MD
Internal Medicine (Pulmonary Disease)
58 16TH ST
WHEELING, WV 26003
Ohio County (304) 234-1935
LISA C HILL MD
Nurse Practitioner (Adult Health)
58 16TH ST
WHEELING, WV 26003
Ohio County (304) 233-8788

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 Mercer's NPI number?

The NPI number for William Mercer is 1780687558. It was assigned to this individual provider in the NPPES registry on May 24, 2005.

Where is William Mercer located?

William Mercer practices at 58 16th St Fl 3, Wheeling, WV 26003. The listed phone number is (304) 232-5725.

What is William Mercer's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is William Mercer enrolled in Medicare?

Yes. William Mercer 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 William Mercer accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, CareSource and Molina Healthcare list William Mercer 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 William Mercer affiliated with any hospitals?

According to CMS data, William Mercer is affiliated with Wheeling Hospital, Inc.

When was this NPI record last updated?

The NPPES record for William Mercer was last updated on September 19, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.