DR. CHARLES STEPHEN HOLLADAY MD
NPI 1215929542
Internal Medicine - Hematology & Oncology in North Charleston, SC

Active since August 23, 2005PECOS EnrolledAccepts Medicare Assignment
86/100
CMS Quality Rating
2910 TRICOM ST, CHARLESTON CANCER CENTER, NORTH CHARLESTON, SC 29406(843) 572-9211(843) 572-0457 Get Directions Write a Review

NPPES record last updated: September 30, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 15, 2022, Jul 17, 2019 (2 updates tracked since 2019).

About Dr. Charles Stephen Holladay Md NPPES

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

DR. CHARLES STEPHEN HOLLADAY MD (NPI 1215929542) is an individual hematology & oncology provider in North Charleston, South Carolina, licensed in South Carolina (18607) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Colleton Medical Center, and is a graduate of Medical University Of South Carolina College Of Medicine (1995).

NPPES Registry Identity

NPI1215929542
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. CHARLES STEPHEN HOLLADAYCredential: MD
Location Address2910 TRICOM ST, CHARLESTON CANCER CENTERNorth Charleston, SC 29406-9350
Mailing AddressPo Box 751874Charlotte, NC 28275-1874 · (843) 402-5200 · Fax (843) 402-5296
Fax(843) 572-0457
Sole ProprietorNo
Medical School CMSMedical University Of South Carolina College Of MedicineGraduated 1995
Enumeration DateAugust 23, 2005
Last NPPES UpdateSeptember 30, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 30, 2025
NPI 1215929542 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License Licensed in SC · 18607
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
2910 TRICOM ST, North Charleston, SC 29406

Other Identifiers 1

Medicaid186079SC

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

Dr. Charles Stephen Holladay 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 ID8820177173
PECOS Enrollment IDI20080512000408
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 6

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.
492 services201 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
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.
144 services79 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.
136 services109 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
21 services21 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
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.
17 services17 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
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.
13 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Colleton Medical Center

Acute Care Hospitals · Walterboro, SC
3/5 CMS rating
OwnershipProprietary
CMS Certification Number420030
Location501 Robertson BoulevardWalterboro, SC 29488 · Colleton County
Emergency services Birthing friendly

Bon Secours-St Francis Xavier Hospital

Acute Care Hospitals · Charleston, SC
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420065
Location2095 Henry Tecklenburg DriveCharleston, SC 29414 · Charleston County
Emergency services Birthing friendly

Trident Medical Center

Acute Care Hospitals · Charleston, SC
3/5 CMS rating
OwnershipProprietary
CMS Certification Number420079
Location9330 Medical Plaza DrCharleston, SC 29406 · Charleston County
Emergency services Birthing friendly

Roper Hospital

Acute Care Hospitals · Charleston, SC
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420087
Location316 Calhoun StCharleston, SC 29401 · Charleston County
Emergency services

Roper St Francis Hospital-Berkeley Inc

Acute Care Hospitals · Summerville, SC
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number420110
Location300 Callen BlvdSummerville, SC 29486 · Dorchester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29406 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
$163.84 typical visit price
range $53.57 – $163.84
Typical copayment $40.96 (range $13.39 – $40.96)
Most-billed visit code 99205
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.

86/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality70.74
Promoting Interoperability100
Improvement Activities40
Cost71.29

Reported Quality Measures

Breast Cancer Screening
22%279 patients1/55-star benchmark: 93%
Cervical Cancer Screening
8%195 patients1/55-star benchmark: 98%
Closing the Referral Loop: Receipt of Specialist Report
2%93 patients1/55-star benchmark: 87%
Colorectal Cancer Screening
35%553 patients2/55-star benchmark: 88%
Controlling High Blood Pressure
56%150 patients3/55-star benchmark: 91%
Diabetes: Eye Exam
5%84 patients1/55-star benchmark: 100%
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
Lower rates are better for this measure.
57%84 patients2/55-star benchmark: 91%
Documentation of Current Medications in the Medical Record
99%3,689 patients4/55-star benchmark: 100%
e-Prescribing
100%297 patients5/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
19%615 patients1/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
92%1,020 patients4/55-star benchmark: 98%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
9%876 patients1/55-star benchmark: 97%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
22%3,002 patients2/55-star benchmark: 61%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients combinedPopulations: 94% · 738 patients
Patients screened: 99% · 738 patients
64%96 patients3/55-star benchmark: 100%
Provide Patients Electronic Access to Their Health Information
100%427 patients5/55-star benchmark: 100%
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease
85%217 patients4/55-star benchmark: 91%
Use of High-Risk Medications in Older Adults
Lower rates are better for this measure.
Patients appropriateDiagnosis: 6% · 627 patients
Patients totalRate: 11% · 627 patients
9%627 patients4/55-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 6

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

Collagen dressing, sterile, size 16 sq. in. or less, each A6021
DME-Medical/Surgical Supplies · category DA023N
1 supplier12 claims306 services$20.22 avg. paid by Medicare
Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4152
Other-Enteral and Parenteral · category OB006N
1 supplier11 claims8,250 services$0.24 avg. paid by Medicare
Capecitabine, oral, 500 mg J8521
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers41 claims2,344 services$0.76 avg. paid by Medicare
Breast prosthesis, mastectomy bra, without integrated breast prosthesis form, any size, any type L8000
DME-Orthotic Devices · category DF000N
1 supplier12 claims26 services$32.55 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
2 suppliers25 claims25 services$18.18 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
3 suppliers16 claims16 services$12.59 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 11

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

Internal Medicine (Hematology & Oncology)
2910 TRICOM ST
NORTH CHARLESTON, SC 29406
Internal Medicine (Hematology & Oncology)
2910 TRICOM ST
NORTH CHARLESTON, SC 29406
Internal Medicine (Hematology & Oncology)
2910 TRICOM ST
NORTH CHARLESTON, SC 29406
Nurse Practitioner (Family)
2910 TRICOM ST
NORTH CHARLESTON, SC 29406
Internal Medicine (Hematology & Oncology)
2910 TRICOM ST
N CHARLESTON, SC 29406
Physician Assistant (Medical)
2910 TRICOM ST
NORTH CHARLESTON, SC 29406
Physician Assistant
2910 TRICOM ST
NORTH CHARLESTON, SC 29406
Physician Assistant
2910 TRICOM ST
N CHARLESTON, SC 29406

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 Charles Holladay's NPI number?

The NPI number for Charles Holladay is 1215929542. It was assigned to this individual provider in the NPPES registry on August 23, 2005.

Where is Charles Holladay located?

Charles Holladay practices at 2910 Tricom St Charleston Cancer Center, North Charleston, SC 29406. The listed phone number is (843) 572-9211.

What is Charles Holladay's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Charles Holladay enrolled in Medicare?

Yes. Charles Holladay 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 Charles Holladay accept?

Health plans from First Choice Next list Charles Holladay 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 Charles Holladay affiliated with any hospitals?

According to CMS data, Charles Holladay is affiliated with Colleton Medical Center, Bon Secours-St Francis Xavier Hospital, Trident Medical Center, Roper Hospital and Roper St Francis Hospital-Berkeley Inc.

When was this NPI record last updated?

The NPPES record for Charles Holladay was last updated on September 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.