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MASON ZACHARY DAY DO
NPI 1225657208
Internal Medicine in Clinton, NC

Active since April 10, 2020PECOS EnrolledAccepts Medicare Assignment
607 BEAMAN ST, CLINTON, NC 28328(910) 592-8511 Get Directions Write a Review

NPPES record last updated: July 7, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 7, 2023, Dec 29, 2020, Jul 9, 2020 and 1 more (4 updates tracked since 2020).

About Mason Zachary Day Do NPPES

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

MASON ZACHARY DAY DO (NPI 1225657208) is an individual internal medicine provider in Clinton, North Carolina, licensed in North Carolina (2021-02917) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, is affiliated with Carolina East Medical Center, and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2020).

NPPES Registry Identity

NPI1225657208
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMASON ZACHARY DAYCredential: DO
Location Address607 BEAMAN STClinton, NC 28328-2603
Mailing Address607 Beaman StClinton, NC 28328-2603 · (910) 592-8511
Phone(910) 592-8511
Sole ProprietorNo
Medical School CMSLake Erie College Of Osteopathic Medicine, ErieGraduated 2020
Enumeration DateApril 10, 2020
Last NPPES UpdateJuly 7, 20234 updates tracked since enumeration
NPPES CertifiedJuly 7, 2023
✔ NPI 1225657208 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NC · 2021-02917
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 262144 (NC)
607 BEAMAN ST, Clinton, NC 28328
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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

Mason Zachary Day Do 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 ID4486014412
PECOS Enrollment IDI20230721001386
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

2

Medicare enrollment records show Mason Day reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cogent Healthcare Of North Carolina, PC
72 mi
Internal Medicine
2460 CURTIS ELLIS DR
Rocky Mount, NC 27804
  • Reassigned Medicare billing, North Carolina enrollment
  • 393 clinicians in this Medicare group
NPI 1548207483 (828) 456-7311
Usacs Integrated Acute Care Services Of North Carolina, PLLC
146 mi
Internal Medicine
1144 N ROAD ST
Elizabeth City, NC 27909
  • Reassigned Medicare billing, North Carolina enrollment
  • 176 clinicians in this Medicare group
NPI 1437869302 (252) 335-0531

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 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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
467 services246 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
182 services175 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
164 services93 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.
162 services158 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
33 services26 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
24 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Carolina East Medical Center

Acute Care Hospitals · New Bern, NC
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number340131
Location2000 Neuse BlvdNew Bern, NC 28560 · Craven County
Emergency services Birthing friendly

Carteret General Hospital

Acute Care Hospitals · Morehead City, NC
3/5 CMS rating
OwnershipProprietary
CMS Certification Number340142
Location3500 Arendell StMorehead City, NC 28557 · Carteret County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 28328 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
$125.01 typical visit price
range $54.12 – $165.09
Typical copayment $31.25 (range $13.53 – $41.27)
Most-billed visit code 99204
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.

SAVANNAH GRIFFIN DO
Student in an Organized Health Care Education/Training Program
607 BEAMAN ST
CLINTON, NC 28328
Sampson County (540) 383-2601
ARKA CHAUDHURY DO
Family Medicine
607 BEAMAN ST
CLINTON, NC 28328
Sampson County (910) 596-5421
YASMIN HADIAN
Student in an Organized Health Care Education/Training Program
607 BEAMAN ST
CLINTON, NC 28328
Sampson County (910) 596-5409
MRS. ANITA VANN ROYAL CRNA
Nurse Anesthetist, Certified Registered
607 BEAMAN ST
CLINTON, NC 28328
Sampson County (910) 592-8511
DR. KENDALL LAUREN HENNARD D.O.
Student in an Organized Health Care Education/Training Program
607 BEAMAN ST
CLINTON, NC 28328
Sampson County (910) 596-5421
SHELBY MONROE BOOCK DO
Student in an Organized Health Care Education/Training Program
607 BEAMAN ST
CLINTON, NC 28328
Sampson County (910) 596-5421
PHILLIP HENRY WARREN IV P.T.
Physical Therapist
607 BEAMAN ST
CLINTON, NC 28328
Sampson County (910) 596-4244
SCOT GUILOTT AIENA CRNA
Nurse Anesthetist, Certified Registered
607 BEAMAN ST, ANESTHESIA DEPARTMENT
CLINTON, NC 28328
Sampson County (910) 590-8729

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 Mason Day's NPI number?

The NPI number for Mason Day is 1225657208. It was assigned to this individual provider in the NPPES registry on April 10, 2020.

Where is Mason Day located?

Mason Day practices at 607 Beaman St, Clinton, NC 28328. The listed phone number is (910) 592-8511.

What is Mason Day's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mason Day enrolled in Medicare?

Yes. Mason Day 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.

Which organizations bill Medicare for Mason Day's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mason Day reassigns Medicare benefits to 2 organizations: Cogent Healthcare Of North Carolina, PC (Rocky Mount, NC) and Usacs Integrated Acute Care Services Of North Carolina, PLLC (Elizabeth City, NC). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mason Day's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Mason Day affiliated with any hospitals?

According to CMS data, Mason Day is affiliated with Carolina East Medical Center and Carteret General Hospital.

When was this NPI record last updated?

The NPPES record for Mason Day was last updated on July 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.