MRS. CAROLYN ANN KOSTER HYATT PA-C
NPI 1073819249
Physician Assistant in North Charleston, SC

Q: What is Carolyn Hyatt's NPI number?

The NPI number for Carolyn Hyatt is 1073819249. It was assigned to this individual provider in the NPPES registry on February 4, 2011. The provider is also known as Miss Carolyn Ann Koster Pa-C.

Q: What is Carolyn Hyatt's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Q: When was this NPI record last updated?

The NPPES record for Carolyn Hyatt was last updated on October 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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 February 04, 2011PECOS EnrolledAccepts Medicare Assignment

9267 MEDICAL PLAZA DR STE G, NORTH CHARLESTON, SC 29406(843) 797-3636(843) 797-3637 Get Directions Write a Review

NPPES record last updated: October 28, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Mrs. Carolyn Ann Koster Hyatt Pa-c NPPES

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

MRS. CAROLYN ANN KOSTER HYATT PA-C (NPI 1073819249) is an individual physician assistant in North Charleston, South Carolina, licensed in South Carolina (1611) and active in the NPI registry since February 2011. She is enrolled in Medicare PECOS, is affiliated with Colleton Medical Center, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1073819249

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameMRS. CAROLYN ANN KOSTER HYATTCredential: PA-C

Location Address9267 MEDICAL PLAZA DR STE GNorth Charleston, SC 29406-9139

Mailing Address9267 Medical Plaza Dr Ste GNorth Charleston, SC 29406-9139 · (843) 797-3636 · Fax (843) 797-3637

Phone(843) 797-3636

Fax(843) 797-3637

Sole ProprietorNo

Medical School CMSOtherGraduated 2010

Enumeration DateFebruary 4, 2011

Last NPPES UpdateOctober 28, 2025

NPPES CertifiedOctober 28, 2025

✔ NPI 1073819249 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in SC · 1611

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.

9267 MEDICAL PLAZA DR STE G, North Charleston, SC 29406

Open in Google Maps ↗

Other Names 1

Former Name (1)Miss Carolyn Ann Koster Pa-c

Secondary Practice Locations 3

Location 1205 Eddie Chasteen DrWalterboro, SC 29488-5728 · Phone (843) 797-3636 ext. 261 · Fax (843) 797-3637

Location 2176 McSwain DrWest Columbia, SC 29169-4825 · Phone (843) 797-3636 ext. 261 · Fax (843) 797-3637

Location 3108 N Highway 52Moncks Corner, SC 29461-3910 · Phone (843) 797-3636 ext. 261 · Fax (843) 797-3637

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

Mrs. Carolyn Ann Koster Hyatt Pa-c 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 ID1153582663

PECOS Enrollment IDI20120410000526

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 5

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.

383 services189 patients

Testing for presence of drug, by chemistry analyzers 80307

Chemistry analyzers are used to detect the presence of drugs in your system. This test involves taking a small sample of your blood or urine. The sample is then analyzed for specific substances. The results help in understanding your health condition better.

220 services143 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.

62 services47 patients

Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms G0481

A definitive drug test is a detailed analysis used to identify specific drugs in your system. It uses advanced techniques, such as gc/ms and lc/ms, to detect and distinguish between different drugs, even those with similar structures.

50 services49 patients

A definitive drug test is a detailed examination that can identify specific drugs in your system, even closely related ones. Techniques like GC/MS and LC/MS are used for high precision. This helps ensure accurate results for your safety and health.

48 services42 patients

Hospital Affiliations CMS Care Compare 2

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

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

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

$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

$67.12 typical visit price

range $16.96 – $133.52

Typical copayment $16.78 (range $4.24 – $33.38)

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.

Other Providers at the Same Location NPPES 6

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

MRS. DODI LYNN BAUM NP-C

Nurse Practitioner (Family)

9267 MEDICAL PLAZA DR STE G
NORTH CHARLESTON, SC 29406

Charleston County (843) 797-3636

TRIDENT PAIN CENTER LLC

Pain Medicine (Interventional Pain Medicine)