ANN MARIA PASSINI D.O.
NPI 1578944476
Preventive Medicine - Undersea and Hyperbaric Medicine in Charleston, SC

Q: What is Ann Passini's NPI number?

The NPI number for Ann Passini is 1578944476. It was assigned to this individual provider in the NPPES registry on June 16, 2015.

Q: What is Ann Passini's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Undersea and Hyperbaric Medicine, with taxonomy code 2083P0011X.

Q: When was this NPI record last updated?

The NPPES record for Ann Passini was last updated on August 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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 June 16, 2015PECOS EnrolledAccepts Medicare Assignment

316 CALHOUN ST, CHARLESTON, SC 29401(843) 724-2289(843) 606-8038 Get Directions Write a Review

NPPES record last updated: August 7, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 7, 2025, Jun 16, 2025, Apr 30, 2021 and 3 more (6 updates tracked since 2016).

On this page

About Ann Maria Passini D.o. NPPES

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

ANN MARIA PASSINI D.O. (NPI 1578944476) is an individual undersea and hyperbaric medicine provider in Charleston, South Carolina, licensed in South Carolina (93899) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS, is affiliated with Musc Medical Center, and maintains a secondary practice location in Summerville.

NPPES Registry Identity

NPI1578944476

Entity TypeIndividualFemale

Primary Taxonomy2083P0011X

Provider Legal NameANN MARIA PASSINICredential: D.O.

Location Address316 CALHOUN STCharleston, SC 29401-1113

Mailing AddressPo Box 603964Charlotte, NC 28260-3964 · (843) 789-1726 · Fax (843) 402-5289

Phone(843) 724-2289

Fax(843) 606-8038

Sole ProprietorNo

Medical School CMSDes Moines University Of Osteopathic Medicine And Health SciencesGraduated 2015

Enumeration DateJune 16, 2015

Last NPPES UpdateAugust 7, 20256 updates tracked since enumeration

NPPES CertifiedAugust 7, 2025

✔ NPI 1578944476 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPreventive Medicine · Undersea and Hyperbaric MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2083P0011X

License✔ Licensed in SC · 93899

Definition

A specialist who treats decompression illness and diving accident cases and uses hyperbaric oxygen therapy to treat such conditions as carbon monoxide poisoning, gas gangrene, non-healing wounds, tissue damage from radiation and burns and bone infections. This specialist also serves as consultant to other physicians in all aspects of hyperbaric chamber operations and assesses risks and applies appropriate standards to prevent disease and disability in divers and other persons working in altered atmospheric conditions.

316 CALHOUN ST, Charleston, SC 29401

Open in Google Maps ↗

Secondary Practice Location 1

Location 1200 Callen Blvd Ste 110Summerville, SC 29486-2808 · Phone (843) 724-2289 · Fax (843) 606-8038

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of South Carolina, First Choice Next, Oscar Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ann Maria Passini D.o. 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 ID244544385

PECOS Enrollment IDI20250915001345

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.

Medicare Billing Reassignments

Medicare enrollment records show Ann Passini reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Roper Hospital, Inc.

Same address

Cardiovascular Disease

316 CALHOUN ST
Charleston, SC 29401

Reassigned Medicare billing, South Carolina enrollment
140 clinicians in this Medicare group

NPI 1710915251 (843) 789-1620

Roper St Francis Hospital-Berkeley Inc.

21 mi

Critical Care Medicine

100 CALLEN BLVD
Summerville, SC 29486

Reassigned Medicare billing, South Carolina enrollment
53 clinicians in this Medicare group

NPI 1295534956 (854) 529-3100

Genesis Health System

838 mi

Clinic/Center

4017 DEVILS GLEN RD
Bettendorf, IA 52722

Reassigned Medicare billing, Iowa enrollment
300 clinicians in this Medicare group

NPI 1497772008 (563) 421-3700

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

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.

340 services128 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

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.

112 services112 patients

Annual depression screening, 5 to 15 minutes G0444

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.

83 services83 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.

26 services18 patients

Administration of influenza virus vaccine G0008

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.

23 services23 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.

22 services16 patients

Hospital Affiliations CMS Care Compare 4

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

Musc Medical Center

Acute Care Hospitals · Charleston, SC

2/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number420004

Location169 Ashley AveCharleston, SC 29425 · Charleston 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

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 29401 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

$124.04 typical visit price

range $53.57 – $163.84

Typical copayment $31.01 (range $13.39 – $40.96)

Most-billed visit code 99204

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.

Referred Medical Equipment & Supplies CMS DME claims 3

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

Filter, disposable, used with positive airway pressure device A7038

DME-Other DME · category DE001N

2 suppliers13 claims50 services$1.90 avg. paid by Medicare

Continuous positive airway pressure (cpap) device E0601

DME-Other DME · category DE001N

1 supplier17 claims17 services$35.09 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

1 supplier12 claims12 services$185.34 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 20

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

CHRISTIAN ANTON SUNG PA-C

Physician Assistant