HARLEY ELIZABETH WILLIAMS
NPI 1811477300
Physician Assistant in Dover, DE

Active since August 15, 2018PECOS EnrolledAccepts Medicare Assignment
76.74/100
CMS Quality Rating
200 BANNING ST STE 250, DOVER, DE 19904(302) 736-1320(302) 346-4532 Get Directions Write a Review

NPPES record last updated: February 10, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Oct 2, 2024, Apr 3, 2023, Oct 28, 2022 and 5 more (8 updates tracked since 2018).

About Harley Elizabeth Williams NPPES

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

HARLEY ELIZABETH WILLIAMS (NPI 1811477300) is an individual physician assistant in Dover, Delaware, licensed in Delaware (C5-0011766) and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1811477300
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameHARLEY ELIZABETH WILLIAMS
Location Address200 BANNING ST STE 250Dover, DE 19904-3492
Mailing Address200 Banning St Ste 250Dover, DE 19904-3492 · (302) 736-1320 · Fax (302) 346-4532
Fax(302) 346-4532
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateAugust 15, 2018
Last NPPES UpdateFebruary 10, 20268 updates tracked since enumeration
NPPES CertifiedFebruary 10, 2026
NPI 1811477300 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Licenses Licensed in DE · C5-0011766 Licensed in PA · MA060015
Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X · License MA060015 (PA)
200 BANNING ST STE 250, Dover, DE 19904

Other Names 1

Former Name (1)Harley Williams Lubatti

Secondary Practice Locations 4

Location 1405 Silverside Rd Ste 104Wilmington, DE 19809-1768 · Phone (844) 365-7246 · Fax (844) 516-0080
Location 23105 Limestone Rd Ste 300Wilmington, DE 19808-2156 · Phone (844) 365-7246 · Fax (844) 516-0080
Location 31197 Airport Rd Fl 2Milford, DE 19963-6418 · Phone (844) 365-7246 · Fax (844) 516-0080
Location 4291 Carter Dr Ste AMiddletown, DE 19709-5845 · Phone (844) 365-7246 · Fax (844) 516-0080

Other Identifiers 1

Medicaid250694487DE

Accepted 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

Harley Elizabeth Williams 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 ID9537409503
PECOS Enrollment IDI20220831003634
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 23

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Detection test by nucleic acid for organism, amplified probe technique 87798
A nucleic acid detection test is a procedure to identify specific organisms in your body. This test uses an amplified probe technique, which magnifies the genetic material of the organism, making it easier to detect. It's a precise way to diagnose infections.
1,742 services122 patients
Chemical analysis using spectrophotometry (light) 84311
Spectrophotometry is a scientific method used to measure how much a chemical substance absorbs light. This helps in identifying and determining the concentration of that substance in a sample. It's non-invasive, accurate, and used in various medical tests.
530 services221 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.
278 services236 patients
Bilirubin level, total 82247
A total bilirubin level test is a blood test that helps check how well your liver is functioning. It measures bilirubin, a yellow substance your body creates when it breaks down red blood cells. High levels may indicate a problem with your liver or bile duct.
265 services221 patients
Creatinine level to test for kidney function or muscle injury 82570
A creatinine level test measures the amount of creatinine in your blood. This substance is a waste product from normal muscle use. Higher levels can indicate possible kidney dysfunction or muscle injury. This test helps monitor kidney health.
265 services221 patients
Glucose (sugar) level on body fluid 82945
The glucose level in body fluid test measures the amount of sugar in your body's fluids. This test is crucial in managing conditions like diabetes. High or low levels could indicate a health issue that needs attention.
265 services221 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19904 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
$88.37 typical visit price
range $57.12 – $173.08
Typical copayment $22.09 (range $14.28 – $43.27)
Most-billed visit code 99203
Established Patient
$71.19 typical visit price
range $18.36 – $141.05
Typical copayment $17.79 (range $4.59 – $35.26)
Most-billed visit code 99213
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.

76.74/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality90.3
Promoting Interoperability0
Improvement Activities40
Cost95.95

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.

Lubricant, individual sterile packet, each A4332
DME-Medical/Surgical Supplies · category DA000N
2 suppliers18 claims1,620 services$0.10 avg. paid by Medicare
Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each A4351
DME-Orthotic Devices · category DF008N
2 suppliers15 claims1,620 services$1.67 avg. paid by Medicare
Intermittent urinary catheter; coude (curved) tip, with or without coating (teflon, silicone, silicone elastomeric, or hydrophilic, etc.), each A4352
DME-Orthotic Devices · category DF008N
1 supplier19 claims1,920 services$6.16 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1811477300, enumerated as an "individual" on August 15, 2018.

The provider is located at 200 BANNING ST STE 250 DOVER, DE 19904 and the phone number is (302) 736-1320.

Physician Assistant with taxonomy code 363A00000X.

The provider might be accepting Accepts: Highmark Blue Cross Blue Shield Delaware, Medicare. Please consult your insurance carrier or call the provider to verify.