MARIBETH PORTER WILLIAMS M.D.
NPI 1487965265
Family Medicine in Greer, SC

Q: What is Maribeth Williams's NPI number?

The NPI number for Maribeth Williams is 1487965265. It was assigned to this individual provider in the NPPES registry on June 28, 2010.

Q: What is Maribeth Williams's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Maribeth Williams was last updated on May 12, 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.

Active since June 28, 2010PECOS EnrolledAccepts Medicare Assignment

78.18/100

CMS Quality Rating

109 PHYSICIANS DR STE A, GREER, SC 29650(864) 797-9150(864) 797-9155 Get Directions Write a Review

NPPES record last updated: May 12, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 12, 2025, Jan 2, 2019 (2 updates tracked since 2019).

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About Maribeth Porter Williams M.d. NPPES

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

MARIBETH PORTER WILLIAMS M.D. (NPI 1487965265) is an individual family medicine provider in Greer, South Carolina, licensed in South Carolina (32897) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS, is affiliated with Uf Health Shands Hospital, and maintains a secondary practice location in Gainesville.

NPPES Registry Identity

NPI1487965265

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameMARIBETH PORTER WILLIAMSCredential: M.D.

Location Address109 PHYSICIANS DR STE AGreer, SC 29650-2446

Mailing Address300 E Mcbee Ave Fl 4Greenville, SC 29601-2842 · (864) 695-6697

Phone(864) 797-9150

Fax(864) 797-9155

Sole ProprietorNo

Medical School CMSUniversity Of Mississippi School Of MedicineGraduated 2010

Enumeration DateJune 28, 2010

Last NPPES UpdateMay 12, 20252 updates tracked since enumeration

NPPES CertifiedMay 12, 2025

✔ NPI 1487965265 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

Licenses✔ Licensed in SC · 32897✔ Licensed in FL · ME124959

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.

109 PHYSICIANS DR STE A, Greer, SC 29650

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Secondary Practice Location 1

Location 11600 SW Archer RdGainesville, FL 32610-3003 · Phone (352) 273-5159

Other Identifiers 1

Medicaid015336300FL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AvMed, BlueCross BlueShield of South Carolina, InStil Health.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

Maribeth Porter Williams 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 ID1850530122

PECOS Enrollment IDI20130911000790, I20150828000120

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 11

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.

184 services129 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

83 services74 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.

76 services70 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.

63 services27 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

36 services12 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

33 services33 patients

Hospital Affiliations CMS Care Compare 3

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

Uf Health Shands Hospital

Acute Care Hospitals · Gainesville, FL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100113

Location1600 SW Archer RdGainesville, FL 32610 · Alachua County

Emergency services Birthing friendly

Prisma Health Greer Memorial Hospital

Acute Care Hospitals · Spartanburg, SC

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420033

Location1413 John B White Sr Blvd Suite DSpartanburg, SC 29306 · Spartanburg County

Emergency services Birthing friendly

Prisma Health Greenville Memorial Hospital

Acute Care Hospitals · Greenville, SC

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420078

Location701 Grove RoadGreenville, SC 29605 · Greenville County

Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29650 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

$83.18 typical visit price

range $53.57 – $163.84

Typical copayment $20.79 (range $13.39 – $40.96)

Most-billed visit code 99203

Established Patient

$95.12 typical visit price

range $16.96 – $133.52

Typical copayment $23.78 (range $4.24 – $33.38)

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.

78.18/100

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

Scored as part of a group practice

Quality

72.54

Promoting Interoperability

100

Improvement Activities

Cost

54.74

Referred Medical Equipment & Supplies CMS DME claims 4

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

2 suppliers14 claims14 services$16.39 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

3 suppliers19 claims19 services$94.01 avg. paid by Medicare

Extra heavy duty wheelchair K0007

DME-Wheelchairs · category DD000N

1 supplier12 claims12 services$85.07 avg. paid by Medicare

Elevating leg rests, pair (for use with capped rental wheelchair base) K0195

DME-Wheelchairs · category DD021N

1 supplier12 claims12 services$9.26 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 8

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

AMANDA MICHELE FERNANDEZ DO

Family Medicine