TIFFANY HERMAN DIESO AGACNP-BC
NPI 1124490008
Nurse Practitioner - Acute Care in Durham, NC

Active since October 30, 2015PECOS EnrolledAccepts Medicare Assignment
40 MEDICINE CIR, DURHAM, NC 27710(919) 385-7941 Get Directions Write a Review

NPPES record last updated: April 6, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Tiffany Herman Dieso Agacnp-bc NPPES

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

TIFFANY HERMAN DIESO AGACNP-BC (NPI 1124490008) is an individual acute care provider in Durham, North Carolina, licensed in North Carolina (246947) and active in the NPI registry since October 2015. She is enrolled in Medicare PECOS, is affiliated with Duke University Hospital, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1124490008
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameTIFFANY HERMAN DIESOCredential: AGACNP-BC
Location Address40 MEDICINE CIRDurham, NC 27710-0001
Mailing Address5213 S Alston AveDurham, NC 27713-4430 · (919) 620-4855
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateOctober 30, 2015
Last NPPES UpdateApril 6, 2021
NPPES CertifiedApril 6, 2021
✔ NPI 1124490008 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in NC · 246947
40 MEDICINE CIR, Durham, NC 27710

Accepted 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

Tiffany Herman Dieso Agacnp-bc 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 ID4082979844
PECOS Enrollment IDI20180525000935
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

3

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

Internal Medicine
4220 N ROXBORO ST
Durham, NC 27704
  • Reassigned Medicare billing, North Carolina enrollment
  • Also billed through NPI 1497912232 (North Carolina)
  • 1,482 clinicians in this Medicare group
Foot and Ankle Surgery
2609 N DUKE ST STE 301
Durham, NC 27704
  • Reassigned Medicare billing, North Carolina enrollment
  • 3,671 clinicians in this Medicare group
General Practice
4055 VALLEY VIEW LN STE 700
Dallas, TX 75244
  • Reassigned Medicare billing, North Carolina enrollment
  • 728 clinicians in this Medicare group

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 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.

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.
68 services42 patients
Critical care, each additional 30 minutes 99292
Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.
43 services23 patients

Hospital Affiliations CMS Care Compare

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

Duke University Hospital

Acute Care Hospitals · Durham, NC
5/5 CMS rating
OwnershipProprietary
CMS Certification Number340030
Location2100 Erwin RdDurham, NC 27705 · Durham County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27710 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 3

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

Urology
40 MEDICINE CIR, ROOM 1571
DURHAM, NC 27710
Pathology (Anatomic Pathology & Clinical Pathology)
40 MEDICINE CIR, 207A DAVISON BUILDING (BOX 3712 DUMC)
DURHAM, NC 27710
Audiologist
40 MEDICINE CIR, CLINIC 1I
DURHAM, NC 27710

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 Tiffany Dieso's NPI number?

The NPI number for Tiffany Dieso is 1124490008. It was assigned to this individual provider in the NPPES registry on October 30, 2015.

Where is Tiffany Dieso located?

Tiffany Dieso practices at 40 Medicine Cir, Durham, NC 27710. The listed phone number is (919) 385-7941.

What is Tiffany Dieso's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Tiffany Dieso enrolled in Medicare?

Yes. Tiffany Dieso 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 Tiffany Dieso's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tiffany Dieso reassigns Medicare benefits to 3 organizations: Duke University Health System, Inc. (Durham, NC), Duke Health Integrated Practice, Inc (Durham, NC) and Signify Health Medical Associates, PLLC (Dallas, TX). 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 Tiffany Dieso's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tiffany Dieso accept?

Health plans from Cigna Healthcare list Tiffany Dieso 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 Tiffany Dieso affiliated with any hospitals?

According to CMS data, Tiffany Dieso is affiliated with Duke University Hospital.

When was this NPI record last updated?

The NPPES record for Tiffany Dieso was last updated on April 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.