HOLLY HALDAN HERR PA
NPI 1417710781
Physician Assistant - Medical in Charleston, SC

Q: What is Holly Herr's NPI number?

The NPI number for Holly Herr is 1417710781. It was assigned to this individual provider in the NPPES registry on January 31, 2024. The provider is also known as Holly Petrusson PA.

Q: What is Holly Herr's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Q: When was this NPI record last updated?

The NPPES record for Holly Herr was last updated on April 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 January 31, 2024PECOS EnrolledAccepts Medicare Assignment

1327 ASHLEY RIVER RD, CHARLESTON, SC 29407(843) 577-4551 Get Directions Write a Review

NPPES record last updated: April 17, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Holly Haldan Herr Pa NPPES

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

HOLLY HALDAN HERR PA (NPI 1417710781) is an individual medical provider in Charleston, South Carolina, licensed in South Carolina (5198) and active in the NPI registry since January 2024. She is enrolled in Medicare PECOS, is affiliated with Colleton Medical Center, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1417710781

Entity TypeIndividualFemale

Primary Taxonomy363AM0700X

Provider Legal NameHOLLY HALDAN HERRCredential: PA

Location Address1327 ASHLEY RIVER RDCharleston, SC 29407-5384

Mailing Address1327 Ashley River RdCharleston, SC 29407-5384

Phone(843) 577-4551

Sole ProprietorYes

Medical School CMSOtherGraduated 2023

Enumeration DateJanuary 31, 2024

Last NPPES UpdateApril 17, 2026

NPPES CertifiedApril 17, 2026

✔ NPI 1417710781 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363AM0700X

License✔ Licensed in SC · 5198

1327 ASHLEY RIVER RD, Charleston, SC 29407

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Other Names 1

Former Name (1)Holly Petrusson Pa

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter of North Carolina, BlueCross BlueShield of South Carolina and more.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

Holly Haldan Herr Pa 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 ID2466896501

PECOS Enrollment IDI20240216003032

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 7

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 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.

189 services162 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.

182 services158 patients

Removal of skin and tissue, 20.0 sq cm or less 11042

This procedure involves the surgical removal of skin and tissue, up to 20.0 square cm in size. It's often performed to treat conditions like skin cancer or to remove moles, warts, and other skin lesions. The area is numbed and the unwanted tissue is carefully cut out.

56 services29 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.

36 services36 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.

32 services31 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.

25 services25 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

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

Other Providers at the Same Location NPPES 10

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

COASTAL VASCULAR & VEIN CENTER PA

Surgery (Vascular Surgery)