DR. WILLIAM GREGORY BERKLEY M.D.
NPI 1457368730
Internal Medicine in Boiling Springs, SC

NPI Status: Active since August 01, 2006

Contact Information

2400 BOILING SPRINGS RD
BOILING SPRINGS, SC
ZIP 29316
Phone: (864) 599-0731
Fax: (864) 599-0791

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  • Individual
  • Male
  • Years of Experience 39
  • Internal Medicine
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About WILLIAM BERKLEY

This page provides the complete NPI Profile along with additional information for William Berkley, an internist established in Boiling Springs, South Carolina with a medical specialization in Internal Medicine and more than 39 years of experience. The healthcare provider is registered in the NPI registry with number 1457368730 assigned on August 2006. The practitioner's primary taxonomy code is 207R00000X with license number 95806 (SC). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1457368730
Provider Name
DR. WILLIAM GREGORY BERKLEY M.D.
Gender
Male
Entity Type
Individual
Location Address
2400 BOILING SPRINGS RD BOILING SPRINGS, SC 29316
Location Phone
(864) 599-0731
Location Fax
(864) 599-0791
Mailing Address
300 E MCBEE AVE STE 300 GREENVILLE, SC 29601
Mailing Phone
(864) 522-8603
Medical School Name
OTHER
Graduation Year
1987
Is Sole Proprietor?
No
Enumeration Date
08-01-2006
Last Update Date
10-28-2025
Code Navigator

An internist like William Berkley is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Secondary Locations

  • 5625 Eiger Rd Suite 200
    Austin, TX 78735
    (512) 892-7076

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
95806
License State
SC
Taxonomy Description
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.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

GA034540 (GA)
2207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

N7524 (TX)
3207UN0901XAllopathic & Osteopathic Physicians

Nuclear Medicine
Nuclear Cardiology

N7524 (TX)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Bronze Classic 4700 - EPO
  • Bronze Classic Standard - EPO
  • Bronze Elite + PCP Saver Plus - EPO
  • Bronze Simple Breathe Easy with Enhanced COPD Benefits - EPO
  • Bronze Simple Chronic Care CKM - EPO
  • Bronze Simple Diabetes - EPO
  • Gold Classic - EPO
  • Gold Classic Guided Care - HMO
  • Gold Classic Standard - EPO
  • Gold Classic Standard Guided Care - HMO
  • Gold Elite - EPO
  • Gold Simple Diabetes Guided Care - HMO
  • Gold Simple Guided Care - HMO
  • Silver Classic - EPO
  • Silver Classic Standard - EPO
  • Silver Classic Standard Guided Care - HMO
  • Silver Simple Breathe Easy with Enhanced COPD Benefits Guided Care - HMO
  • Silver Simple Chronic Care CKM Guided Care - HMO
  • Silver Simple Diabetes Guided Care - HMO
  • Silver Simple Guided Care - HMO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

William Berkley is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

William Berkley is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 1254509359

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20120306001004, I20251116000012

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Durable Medical Equipment

  • DME-Other DME (DE017N)

    Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips (HCPCS:A4253)

    8 DME suppliers used 19 Medicare Claims 58 Services Paid

  • DME-Other DME (DE001N)

    Full face mask used with positive airway pressure device, each (HCPCS:A7030)

    5 DME suppliers used 16 Medicare Claims 16 Services Paid

  • DME-Other DME (DE001N)

    Face mask interface, replacement for full face mask, each (HCPCS:A7031)

    5 DME suppliers used 22 Medicare Claims 58 Services Paid

  • DME-Other DME (DE001N)

    Headgear used with positive airway pressure device (HCPCS:A7035)

    7 DME suppliers used 17 Medicare Claims 17 Services Paid

  • DME-Other DME (DE001N)

    Tubing used with positive airway pressure device (HCPCS:A7037)

    6 DME suppliers used 23 Medicare Claims 23 Services Paid

  • DME-Other DME (DE001N)

    Filter, disposable, used with positive airway pressure device (HCPCS:A7038)

    7 DME suppliers used 26 Medicare Claims 144 Services Paid

  • DME-Other DME (DE001N)

    Water chamber for humidifier, used with positive airway pressure device, replacement, each (HCPCS:A7046)

    6 DME suppliers used 13 Medicare Claims 13 Services Paid

  • DME-Oxygen and Supplies (DC000N)

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

    1 DME suppliers used 12 Medicare Claims 12 Services Paid

  • DME-Oxygen and Supplies (DC002N)

    Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate (HCPCS:E1390)

    1 DME suppliers used 12 Medicare Claims 12 Services Paid

  • DME-Wheelchairs (DD000N)

    Standard wheelchair (HCPCS:K0001)

    1 DME suppliers used 18 Medicare Claims 18 Services Paid

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Administration of influenza virus vaccine

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

This service was performed 49 times for 49 patients

Administration of pneumococcal vaccine

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

This service was performed 17 times for 16 patients

Advance care planning, first 30 minutes

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

This service was performed 314 times for 313 patients

Annual alcohol misuse screening, 5 to 15 minutes

An annual alcohol misuse screening is a 15-minute check-up to assess your drinking habits. It helps identify if you're consuming alcohol in a way that could harm your health. This is not a judgment, but a tool to promote your wellbeing.

This service was performed 298 times for 298 patients

Annual depression screening, 5 to 15 minutes

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

This service was performed 302 times for 302 patients

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

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.

This service was performed 305 times for 305 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

This service was performed 65 times for 50 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more

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.

This service was performed 303 times for 269 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more

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.

This service was performed 497 times for 272 patients

Exam of neurobehavioral status, first hour

An exam of neurobehavioral status is a medical procedure that evaluates your brain's functions. This includes assessing your cognitive abilities, emotional responses, and behavioral patterns. The first hour of the exam is typically dedicated to this initial evaluation.

This service was performed 11 times for 11 patients

Influenza vaccine split virus, preservative free

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

This service was performed 47 times for 47 patients

Injection of drug or substance under skin or into muscle

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

This service was performed 92 times for 54 patients

Injection, ceftriaxone sodium, per 250 mg

Ceftriaxone sodium is an antibiotic injection used to treat a variety of bacterial infections. Each injection contains 250 mg of the medicine. It works by stopping the growth of bacteria in your body.

This service was performed 113 times for 27 patients

Injection, ketorolac tromethamine, per 15 mg

Ketorolac tromethamine is a medication administered through injection, often used to manage moderate to severe pain. Each 15 mg dose helps to reduce hormones causing inflammation and pain in the body. It is not recommended for long-term use.

This service was performed 49 times for 11 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

This service was performed 163 times for 38 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more

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.

This service was performed 22 times for 22 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

This service was performed 275 times for 269 patients

Telephone medical discussion with physician, 21-30 minutes

This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.

This service was performed 12 times for 12 patients

Urinalysis, manual test

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

This service was performed 11 times for 11 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $31.01 for a new patient copayment and $23.78 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 29316 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $124.04
  • Minimum New Patient Price $53.57
  • Maximum New Patient Price $163.84
  • Average New Patient Copayment $31.01
  • Minimum New Patient Copayment $13.39
  • Maximum New Patient Copayment $40.96

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $95.12
  • Minimum Established Patient Price $16.96
  • Maximum Established Patient Price $133.52
  • Average Established Patient Copayment $23.78
  • Minimum Established Patient Copayment $4.24
  • Maximum Established Patient Copayment $33.38

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. William Berkley is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
PRISMA HEALTH GREENVILLE MEMORIAL HOSPITAL701 GROVE ROAD
GREENVILLE, SC 29605
(864) 455-7000Acute Care Hospitals
ST DAVID'S MEDICAL CENTER919 E 32ND ST
AUSTIN, TX 78705
(512) 476-7111Acute Care Hospitals

Reviews for DR. WILLIAM GREGORY BERKLEY M.D.

  • 5 out of 5 stars - Review by Eddie ***** on October 18, 2024

    DR. Berkley is an outstanding doctor. cares about his patients and spends the amount of time needed with each patient. I have been a patient of his for 5 years and he answers all my questions and concerns. Staff is helpful and courteous. I would recommend him to anybody that needs a doctor!

  • NPI NPI Number Validation

    How NPI Validation Works

    The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

    To verify the NPI 1457368730, we treat the final digit (0) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

    Digit-by-digit view

    Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

    Pos 1
    1
    Doubled → 2
    Pos 2
    4
    Unchanged
    Pos 3
    5
    Doubled → 10 → 1 + 0
    Pos 4
    7
    Unchanged
    Pos 5
    3
    Doubled → 6
    Pos 6
    6
    Unchanged
    Pos 7
    8
    Doubled → 16 → 1 + 6
    Pos 8
    7
    Unchanged
    Pos 9
    3
    Doubled → 6
    Check
    0
    Target digit
    Regular digit Doubled digit Check digit

    Step 1: Double every other digit from the right

    Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

    1 → 2 5 → 10 → 1 3 → 6 8 → 16 → 7 3 → 6

    Step 2: Add all digits plus the NPI constant

    Add the transformed values, the unchanged digits, and the constant 24.

    2 + 4 + 1 + 0 + 7 + 6 + 6 + 1 + 6 + 7 + 6 + 24 = 70

    Step 3: Find the amount needed to reach the next multiple of 10

    The next multiple of ten after 70 is 70. The difference is the calculated check digit.

    70 - 70 = 0
    This NPI is valid
    The calculated check digit is 0, which matches the last digit of 1457368730.

    Other Providers at the Same Location


    The following 10 providers are registered at the same or a nearby location.

    Internal Medicine
    2400 BOILING SPRINGS RD
    BOILING SPRINGS, SC 29316
    Physical Therapist
    2400 BOILING SPRINGS RD
    BOILING SPRINGS, SC 29316
    Internal Medicine
    2400 BOILING SPRINGS RD
    BOILING SPRINGS, SC 29316
    Family Medicine
    2400 BOILING SPRINGS RD
    BOILING SPRINGS, SC 29316
    Nurse Practitioner (Family)
    2400 BOILING SPRINGS RD
    BOILING SPRINGS, SC 29316
    General Acute Care Hospital
    2400 BOILING SPRINGS RD
    BOILING SPRINGS, SC 29316
    Family Medicine
    2400 BOILING SPRINGS RD
    BOILING SPRINGS, SC 29316
    Physician Assistant (Medical)
    2400 BOILING SPRINGS RD
    BOILING SPRINGS, SC 29316
    Physician Assistant
    2400 BOILING SPRINGS RD
    BOILING SPRINGS, SC 29316
    Physician Assistant
    2400 BOILING SPRINGS RD
    BOILING SPRINGS, SC 29316

    Frequently Asked Questions

    The NPI number assigned to this healthcare provider is 1457368730, enumerated as an "individual" on August 01, 2006.

    The provider is located at 2400 BOILING SPRINGS RD BOILING SPRINGS, SC 29316 and the phone number is (864) 599-0731.

    Internal Medicine with taxonomy code 207R00000X.

    The provider might be accepting Accepts: Oscar Insurance Company. Please consult your insurance carrier or call the provider to verify.

    William Berkley is affiliated with: PRISMA HEALTH GREENVILLE MEMORIAL HOSPITAL and ST DAVID'S MEDICAL CENTER.