DAVID GREGG IV MD
NPI 1265540264
Internal Medicine - Adult Congenital Heart Disease in Charleston, SC

NPI Status: Active since August 29, 2006

Contact Information

171 ASHLEY AVE
CHARLESTON, SC
ZIP 29425
Phone: (843) 792-1414

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  • Individual
  • Male
  • Years of Experience 27
  • Internal Medicine
  • Adult Congenital Heart Disease
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About DAVID GREGG

This page provides the complete NPI Profile along with additional information for David Gregg, an internist established in Charleston, South Carolina with a medical specialization in Internal Medicine, focusing in adult congenital heart disease and more than 27 years of experience. He graduated from Columbia University College Of Physicians And Surgeons in 1999. The healthcare provider is registered in the NPI registry with number 1265540264 assigned on August 2006. The practitioner's primary taxonomy code is 207RA0002X with license number 29235 (SC). The provider is registered as an individual and his NPI record was last updated 6 years ago.

NPI
1265540264
Provider Name
DAVID GREGG IV MD
Gender
Male
Entity Type
Individual
Location Address
171 ASHLEY AVE CHARLESTON, SC 29425
Location Phone
(843) 792-1414
Mailing Address
PO BOX 751461 CHARLOTTE, NC 28275
Mailing Phone
(843) 792-6200
Medical School Name
COLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduation Year
1999
Is Sole Proprietor?
No
Enumeration Date
08-29-2006
Last Update Date
10-21-2020
Code Navigator

An internist like David Gregg 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

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 Adult Congenital Heart Disease

Taxonomy Code
207RA0002X
Type
Allopathic & Osteopathic Physicians
License No.
29235
License State
SC
Taxonomy Description
A physician who specializes in the care and treatment of adults with congenital heart disease. Adult congenital heart disease (ACHD) physicians are trained to understand the complexities of congenital heart disease, anatomy, physiology, surgical repairs, and long-term complications and use that to manage ACHD with acquired heart disease, including heart failure, arrhythmias, and pulmonary hypertension.

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)
1207RC0000XAllopathic & Osteopathic Physicians

Internal Medicine
Cardiovascular Disease

TL29235 (SC)

Insurance Plans Accepted

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

  • Elite Bronze - HMO
  • Elite Bronze + Vision + Adult Dental - HMO
  • Everyday Bronze - HMO
  • Everyday Bronze + Vision + Adult Dental - HMO
  • Focused Silver - HMO
  • Standard Expanded Bronze - HMO
  • Standard Gold - HMO
  • Standard Silver - HMO
  • Standard Silver + Vision + Adult Dental - HMO
  • Clear Silver with $0 Insulin Options - HMO
  • Complete Gold - HMO
  • Complete Gold + Vision + Adult Dental - HMO
  • Complete Gold with Atrium Health - HMO
  • Complete Gold with Atrium Health + Vision + Adult Dental - HMO
  • Elite Bronze - HMO
  • Elite Bronze + Vision + Adult Dental - HMO
  • Elite Bronze with Atrium Health - HMO
  • Elite Bronze with Atrium Health + Vision + Adult Dental - HMO
  • Enhanced Asthma/COPD Care Silver with $0 Drug Options - HMO
  • Blue Beaufort Bronze 1 - HMO
  • Blue Beaufort Bronze 2 - HMO
  • Blue Beaufort Gold 1 - HMO
  • Blue Beaufort Silver 1 - HMO
  • Blue Beaufort Silver 2 - HMO
  • Blue Beaufort Silver 2 + Adult Vision - HMO
  • Blue Beaufort Standard Expanded Bronze - HMO
  • Blue Beaufort Standard Gold - HMO
  • Blue Beaufort Standard Silver - HMO
  • Blue Congaree Bronze 1 - HMO
  • First Choice Next Bronze Essential - HMO
  • First Choice Next Bronze Premier - HMO
  • First Choice Next Bronze Signature - HMO
  • First Choice Next Gold Premier - HMO
  • First Choice Next Gold Signature - HMO
  • First Choice Next Silver Essential - HMO
  • First Choice Next Silver Premier - HMO
  • First Choice Next Silver Signature - HMO
  • Molina Gold Core 1640 - HMO
  • Molina Gold Core 1640 Plus with Adult Dental and Vision - HMO
  • Molina Gold Core 1640 Plus with Adult Vision - HMO
  • Molina Gold Standard - HMO
  • Molina Gold Value - HMO
  • Molina Gold Value Plus with Adult Dental and Vision - HMO
  • Molina Gold Value Plus with Adult Vision - HMO
  • Molina Silver Core - HMO
  • Molina Silver Core Plus with Adult Dental and Vision - HMO
  • Molina Silver Core Plus with Adult Vision - HMO
  • UHC Bronze Copay Focus $0 Indiv Med Ded - HMO
  • UHC Bronze Copay Focus+ $0 Indiv Med Ded (Dental + Vision) - HMO
  • UHC Bronze Essential - HMO
  • UHC Bronze Essential- - HMO
  • UHC Bronze Standard - HMO
  • UHC Bronze Standard Plus Chiro - HMO
  • UHC Gold Advantage - HMO
  • UHC Gold Advantage+ (Dental + Vision) - HMO
  • UHC Gold Copay Focus $0 Indiv Med Ded - HMO
  • UHC Gold Standard - HMO

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

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

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
292356MEDICAID (05)SC 

Medicare Participation & PECOS Enrollment Status

David Gregg 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.

David Gregg 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: 5294744868

    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: I20061025000087

    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

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.

3d radiographic procedure

A 3D radiographic procedure is a non-invasive imaging test that helps doctors visualize the internal structures of your body in three dimensions. This advanced technology provides detailed images, aiding in accurate diagnosis and treatment planning. It involves exposure to minimal radiation.

This service was performed 68 times for 67 patients

Established patient office or other outpatient visit, 30-39 minutes

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 85 times for 57 patients

Established patient office or other outpatient visit, 30-39 minutes

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 110 times for 69 patients

Established patient office or other outpatient visit, 40-54 minutes

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 27 times for 22 patients

Follow-up hospital inpatient care per day, typically 25 minutes

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.

This service was performed 52 times for 26 patients

Follow-up hospital inpatient care per day, typically 35 minutes

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.

This service was performed 30 times for 15 patients

Heart muscle strain imaging

Heart muscle strain imaging is a non-invasive test that uses sound waves to create pictures of your heart. It helps doctors evaluate how well your heart muscle is working and detect any damage or disease. This can aid in diagnosing heart conditions and guiding treatment plans.

This service was performed 35 times for 30 patients

Initial hospital inpatient care per day, typically 70 minutes

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

This service was performed 26 times for 25 patients

New patient office or other outpatient visit, 45-59 minutes

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 15 times for 15 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 13 times for 13 patients

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

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

This service was performed 1,108 times for 966 patients

Ultrasound of heart blood flow, valves and chambers

An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.

This service was performed 148 times for 146 patients

Ultrasound of heart blood flow, valves and chambers, follow-up

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

This service was performed 122 times for 109 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

This service was performed 257 times for 238 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

This service was performed 452 times for 442 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

This service was performed 130 times for 130 patients

Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report

This procedure involves using ultrasound technology to create images of your heart while you rest, exercise, or undergo drug-induced stress. An ECG continuously monitors your heart's electrical activity. It helps doctors assess heart health and function.

This service was performed 51 times for 51 patients

Ultrasound of heart with probe in esophagus, with report

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

This service was performed 143 times for 140 patients

Ultrasound of heart, follow-up

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

This service was performed 186 times for 150 patients

Ultrasound of heart, follow-up

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

This service was performed 17 times for 16 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

This service was performed 63 times for 62 patients

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. David Gregg is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
MUSC MEDICAL CENTER169 ASHLEY AVE
CHARLESTON, SC 29425
(843) 792-2300Acute Care Hospitals

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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 1265540264, we treat the final digit (4) 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 46. The final step is to find the difference between that total and the next multiple of ten (50 - 46 = 4).

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
2
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
5
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
4
Unchanged
Pos 7
0
Doubled → 0
Pos 8
2
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
4
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 6 → 12 → 3 5 → 10 → 1 0 → 0 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 2 + 5 + 1 + 0 + 4 + 0 + 2 + 1 + 2 + 24 = 46

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

The next multiple of ten after 46 is 50. The difference is the calculated check digit.

50 - 46 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1265540264.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Physician Assistant
171 ASHLEY AVE
CHARLESTON, SC 29425
Emergency Medicine
171 ASHLEY AVE, EMERGENCY MEDICINE
CHARLESTON, SC 29425
Radiology (Diagnostic Radiology)
171 ASHLEY AVE
CHARLESTON, SC 29425
Otolaryngology
171 ASHLEY AVE
CHARLESTON, SC 29425
Neurological Surgery
171 ASHLEY AVE
CHARLESTON, SC 29425
Radiology (Neuroradiology)
171 ASHLEY AVE
CHARLESTON, SC 29425
Pharmacist (Pharmacotherapy)
171 ASHLEY AVE
CHARLESTON, SC 29425
Nurse Anesthetist, Certified Registered
171 ASHLEY AVE
CHARLESTON, SC 29425
Internal Medicine
171 ASHLEY AVE
CHARLESTON, SC 29425
Thoracic Surgery (Cardiothoracic Vascular Surgery)
171 ASHLEY AVE
CHARLESTON, SC 29425
Pediatrics (Neonatal-Perinatal Medicine)
171 ASHLEY AVE
CHARLESTON, SC 29425
Social Worker (Clinical)
171 ASHLEY AVE
CHARLESTON, SC 29425
Nurse Anesthetist, Certified Registered
171 ASHLEY AVE
CHARLESTON, SC 29425
Pediatrics (Pediatric Gastroenterology)
171 ASHLEY AVE
CHARLESTON, SC 29425
Obstetrics & Gynecology
171 ASHLEY AVE
CHARLESTON, SC 29425
Specialist/Technologist (Athletic Trainer)
171 ASHLEY AVE, MSC 622
CHARLESTON, SC 29425
Surgery (Surgical Critical Care)
171 ASHLEY AVE
CHARLESTON, SC 29425
Internal Medicine (Nephrology)
171 ASHLEY AVE
CHARLESTON, SC 29425
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
171 ASHLEY AVE
CHARLESTON, SC 29425
Midwife
171 ASHLEY AVE
CHARLESTON, SC 29425

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1265540264, enumerated as an "individual" on August 29, 2006.

The provider is located at 171 ASHLEY AVE CHARLESTON, SC 29425 and the phone number is (843) 792-1414.

Internal Medicine with taxonomy code 207RA0002X and a focus in Adult Congenital Heart Disease.

The provider might be accepting Accepts: Ambetter from Absolute Total Care, Ambetter of. Please consult your insurance carrier or call the provider to verify.

David Gregg is affiliated with: MUSC MEDICAL CENTER.