DR. MARIA JOSEFINA DIAZ M.D
NPI 1972675775
Family Medicine in Winston Salem, NC

Active since November 15, 2006PECOS EnrolledAccepts Medicare Assignment
4692 BROWNSBORO RD, WINSTON SALEM, NC 27106(336) 251-1114(336) 251-1117 Get Directions Write a Review

NPPES record last updated: October 9, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Maria Josefina Diaz M.d NPPES

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

DR. MARIA JOSEFINA DIAZ M.D (NPI 1972675775) is an individual family medicine provider in Winston Salem, North Carolina, licensed in North Carolina (201200927) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS, is affiliated with Wakemed, Raleigh Campus, and is a graduate of University Of Puerto Rico School Of Medicine (2003).

NPPES Registry Identity

NPI1972675775
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. MARIA JOSEFINA DIAZCredential: M.D
Location Address4692 BROWNSBORO RDWinston Salem, NC 27106-3410
Mailing Address4692 Brownsboro RdWinston Salem, NC 27106-3410 · (336) 251-1114 · Fax (336) 251-1117
Fax(336) 251-1117
Sole ProprietorNo
Medical School CMSUniversity Of Puerto Rico School Of MedicineGraduated 2003
Enumeration DateNovember 15, 2006
Last NPPES UpdateOctober 9, 2025
NPPES CertifiedOctober 9, 2025
NPI 1972675775 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in NC · 201200927
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
Also ListedFamily Medicine · Geriatric MedicineTaxonomy 207QG0300X · License 16370 (PR), 201200927 (NC)
4692 BROWNSBORO RD, Winston Salem, NC 27106

Accepted 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

Dr. Maria Josefina Diaz M.d 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 ID5294737169
PECOS Enrollment IDI20120831000714
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 12

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 nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
518 services154 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
357 services171 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
356 services282 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
127 services77 patients
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308
A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.
107 services75 patients
Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more 99306
An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.
91 services62 patients

Hospital Affiliations CMS Care Compare 2

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

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

Johnston Health

Acute Care Hospitals · Smithfield, NC
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number340090
Location509 Bright Leaf BlvdSmithfield, NC 27577 · Johnston County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27106 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.

Referred Medical Equipment & Supplies CMS DME claims 21

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

Urinary catheter anchoring device, leg strap, each A4334
DME-Orthotic Devices · category DF000N
1 supplier13 claims13 services$4.72 avg. paid by Medicare
Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each A4357
DME-Orthotic Devices · category DF000N
1 supplier13 claims17 services$9.32 avg. paid by Medicare
Urinary drainage bag, leg or abdomen, vinyl, with or without tube, with straps, each A4358
DME-Orthotic Devices · category DF000N
1 supplier11 claims22 services$6.36 avg. paid by Medicare
Ostomy belt, each A4367
DME-Orthotic Devices · category DF010N
1 supplier12 claims12 services$5.54 avg. paid by Medicare
Ostomy skin barrier, powder, per oz A4371
DME-Orthotic Devices · category DF010N
1 supplier12 claims12 services$3.23 avg. paid by Medicare
Ostomy skin barrier, with flange (solid, flexible, or accordion), extended wear, with built-in convexity, 4 x 4 inches or smaller, each A4407
DME-Orthotic Devices · category DF010N
2 suppliers37 claims740 services$7.85 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.

Family Medicine (Geriatric Medicine)
4692 BROWNSBORO RD
WINSTON SALEM, NC 27106
Physician Assistant
4692 BROWNSBORO RD
WINSTON SALEM, NC 27106
Nurse Practitioner
4692 BROWNSBORO RD
WINSTON SALEM, NC 27106
Nurse Practitioner (Adult Health)
4692 BROWNSBORO RD
WINSTON SALEM, NC 27106
Family Medicine
4692 BROWNSBORO RD
WINSTON SALEM, NC 27106
Physician Assistant
4692 BROWNSBORO RD
WINSTON SALEM, NC 27106
Internal Medicine
4692 BROWNSBORO RD
WINSTON SALEM, NC 27106
Nurse Practitioner (Adult Health)
4692 BROWNSBORO RD
WINSTON SALEM, NC 27106

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 Maria Diaz's NPI number?

The NPI number for Maria Diaz is 1972675775. It was assigned to this individual provider in the NPPES registry on November 15, 2006.

Where is Maria Diaz located?

Maria Diaz practices at 4692 Brownsboro Rd, Winston Salem, NC 27106. The listed phone number is (336) 251-1114.

What is Maria Diaz's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Maria Diaz enrolled in Medicare?

Yes. Maria Diaz 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 Maria Diaz accept?

Health plans from Blue Cross and Blue Shield of NC list Maria Diaz 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 Maria Diaz affiliated with any hospitals?

According to CMS data, Maria Diaz is affiliated with Wakemed, Raleigh Campus and Johnston Health.

When was this NPI record last updated?

The NPPES record for Maria Diaz was last updated on October 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.