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ALEXANDRA RIDER HEYES-DARWIN MD
NPI 1609495407
Emergency Medicine in Chapel Hill, NC

Active since April 11, 2020PECOS EnrolledAccepts Medicare Assignment
101 MANNING DR, CHAPEL HILL, NC 27514(984) 974-1000 Get Directions Write a Review

NPPES record last updated: May 14, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 14, 2025, Apr 23, 2024, Apr 11, 2020 (3 updates tracked since 2020).

About Alexandra Rider Heyes-darwin Md NPPES

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

ALEXANDRA RIDER HEYES-DARWIN MD (NPI 1609495407) is an individual emergency medicine provider in Chapel Hill, North Carolina, licensed in North Carolina (2023-03494) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, is affiliated with Unc Hospitals, and is a graduate of University Of Miami, Lm Miller School Of Medicine (2020).

NPPES Registry Identity

NPI1609495407
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameALEXANDRA RIDER HEYES-DARWINCredential: MD
Location Address101 MANNING DRChapel Hill, NC 27514-4220
Mailing Address512 Crafton StDurham, NC 27703-5316 · (818) 314-3348 · Fax (818) 314-3348
Phone(984) 974-1000
Sole ProprietorNo
Medical School CMSUniversity Of Miami, Lm Miller School Of MedicineGraduated 2020
Enumeration DateApril 11, 2020
Last NPPES UpdateMay 14, 20253 updates tracked since enumeration
NPPES CertifiedMay 14, 2025
✔ NPI 1609495407 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in NC · 2023-03494
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
101 MANNING DR, Chapel Hill, NC 27514
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Other Names 1

Former Name (1)Alexandra Hayward Rider Heyes

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of NC, Oscar Health Plan of North Carolina, Inc, UnitedHealthcare.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

Alexandra Rider Heyes-darwin 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 ID1759823461
PECOS Enrollment IDI20240919000975
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 2

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
49 services49 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
13 services13 patients

Hospital Affiliations CMS Care Compare 3

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

Unc Hospitals

Acute Care Hospitals · Chapel Hill, NC
5/5 CMS rating
OwnershipGovernment - State
CMS Certification Number340061
Location101 Manning DriveChapel Hill, NC 27514 · Orange County
Emergency services Birthing friendly

Wakemed, Raleigh Campus

Acute Care Hospitals · Raleigh, NC
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number340069
Location3000 New Bern AveRaleigh, NC 27610 · Wake County
Emergency services Birthing friendly

Wakemed, Cary Hospital

Acute Care Hospitals · Cary, NC
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number340173
Location1900 Kildare Farm RoadCary, NC 27518 · Wake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27514 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
$83.90 typical visit price
range $54.12 – $165.09
Typical copayment $20.97 (range $13.53 – $41.27)
Most-billed visit code 99203
Established Patient
$95.94 typical visit price
range $17.21 – $134.61
Typical copayment $23.98 (range $4.30 – $33.65)
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.

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.

DR. TERESA MARY ANDERSON PHARM.D.
Pharmacist (Pharmacotherapy)
101 MANNING DR, CB 7600
CHAPEL HILL, NC 27514
Orange County (919) 966-2457
DR. KAMAKSHI V RAO PHARMD, BCOP
Pharmacist (Oncology)
101 MANNING DR, CB#7600, UNC HOSPITAL
CHAPEL HILL, NC 27514
Orange County (919) 966-1434
MS. MELODY ANN WATRAL MSN, RN, CPNP
Nurse Practitioner
101 MANNING DR
CHAPEL HILL, NC 27514
Orange County (919) 966-8809
MORGAN TREPTE PHARM.D.
Pharmacist (Oncology)
101 MANNING DR, CB 7600
CHAPEL HILL, NC 27514
Orange County (984) 974-8346
TREVOR STEPHEN BARLOWE
Student in an Organized Health Care Education/Training Program
101 MANNING DR
CHAPEL HILL, NC 27514
Orange County (984) 974-1000
KRISTIN M HEAD RN
Registered Nurse
101 MANNING DR
CHAPEL HILL, NC 27514
Orange County (984) 974-5421
KALYNN ANNE NORTHAM PHARMD
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
101 MANNING DR
CHAPEL HILL, NC 27514
Orange County (984) 974-3765
KEVIN IVAN MORALES DEL MORAL
Internal Medicine (Cardiovascular Disease)
101 MANNING DR
CHAPEL HILL, NC 27514
Orange County (984) 974-1000

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 Alexandra Heyes-darwin's NPI number?

The NPI number for Alexandra Heyes-darwin is 1609495407. It was assigned to this individual provider in the NPPES registry on April 11, 2020. The provider is also known as Alexandra Hayward Rider Heyes.

Where is Alexandra Heyes-darwin located?

Alexandra Heyes-darwin practices at 101 Manning Dr, Chapel Hill, NC 27514. The listed phone number is (984) 974-1000.

What is Alexandra Heyes-darwin's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Alexandra Heyes-darwin enrolled in Medicare?

Yes. Alexandra Heyes-darwin 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 Alexandra Heyes-darwin accept?

Health plans from Blue Cross and Blue Shield of NC, Oscar Health Plan of North Carolina, Inc and UnitedHealthcare list Alexandra Heyes-darwin 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 Alexandra Heyes-darwin affiliated with any hospitals?

According to CMS data, Alexandra Heyes-darwin is affiliated with Unc Hospitals, Wakemed, Raleigh Campus and Wakemed, Cary Hospital.

When was this NPI record last updated?

The NPPES record for Alexandra Heyes-darwin was last updated on May 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.