ANA DIAZ MD
NPI 1093344939
Internal Medicine in Newark, NJ

Q: What is Ana Diaz's NPI number?

The NPI number for Ana Diaz is 1093344939. It was assigned to this individual provider in the NPPES registry on April 3, 2020.

Q: What is Ana Diaz's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Ana Diaz was last updated on January 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since April 03, 2020PECOS EnrolledAccepts Medicare Assignment

185 S ORANGE AVE, NEWARK, NJ 07103(973) 972-2900 Get Directions Write a Review

NPPES record last updated: January 25, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Ana Diaz Md NPPES

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

ANA DIAZ MD (NPI 1093344939) is an individual internal medicine provider in Newark, New Jersey, licensed in New Jersey (25MA11897600) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, is affiliated with The University Hospital, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1093344939

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameANA DIAZCredential: MD

Location Address185 S ORANGE AVENewark, NJ 07103-2757

Mailing Address185 S Orange AveNewark, NJ 07103-2757

Phone(973) 972-2900

Sole ProprietorNo

Medical School CMSOtherGraduated 2020

Enumeration DateApril 3, 2020

Last NPPES UpdateJanuary 25, 2024

NPPES CertifiedJanuary 25, 2024

✔ NPI 1093344939 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in NJ · 25MA11897600

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.

185 S ORANGE AVE, Newark, NJ 07103

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.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

Ana Diaz 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 ID5092176859

PECOS Enrollment IDI20230727000348

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 Ana Diaz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Physician Associates Of New Jersey Inc

0.2 mi

Internal Medicine

140 BERGEN ST
Newark, NJ 07103

Reassigned Medicare billing, New Jersey enrollment
173 clinicians in this Medicare group

NPI 1760492367 (973) 972-9000

Newark Community Health Centers, Inc

1.6 mi

Federally Qualified Health Center (FQHC)

92-96 FERRY STREET
Newark, NJ 07105

Reassigned Medicare billing, New Jersey enrollment
172 clinicians in this Medicare group

NPI 1366993586 (973) 483-1300

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

Hospital Affiliations CMS Care Compare

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

The University Hospital

Acute Care Hospitals · Newark, NJ

1/5 CMS rating

OwnershipGovernment - State

CMS Certification Number310119

Location150 Bergen StNewark, NJ 07103 · Essex County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07103 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

$144.86 typical visit price

range $63.84 – $190.92

Typical copayment $36.21 (range $15.96 – $47.73)

Most-billed visit code 99204

Established Patient

$111.57 typical visit price

range $20.97 – $155.92

Typical copayment $27.89 (range $5.24 – $38.98)

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. DEEPA ASOKAN M.D.

Anesthesiology

185 S ORANGE AVE, MSB STE E547
NEWARK, NJ 07103

Essex County (973) 972-5006

LISSETTE MARIA CESPEDES M.D.

Internal Medicine (Endocrinology, Diabetes & Metabolism)

185 S ORANGE AVE, MSB I588
NEWARK, NJ 07103

Essex County (973) 972-3479

MS. ELENA L WICKSTROM MD

Emergency Medicine

185 S ORANGE AVE
NEWARK, NJ 07103

Essex County (732) 445-4636

ALEXANDRA M. SELBERG

Student in an Organized Health Care Education/Training Program

185 S ORANGE AVE
NEWARK, NJ 07103

Essex County (973) 972-5018

CHEYNYA JOHNSON-BRIMLEY PA-C

Physician Assistant (Medical)

185 S ORANGE AVE
NEWARK, NJ 07103

Essex County (848) 445-4636

KIRSYS GUERRERO FUENTES MD

Student in an Organized Health Care Education/Training Program

185 S ORANGE AVE
NEWARK, NJ 07103

Essex County (646) 640-6429

SAGAR PATEL

Student in an Organized Health Care Education/Training Program

185 S ORANGE AVE
NEWARK, NJ 07103

Essex County (973) 972-6049

DR. EVANIE ANGLADE MD

Student in an Organized Health Care Education/Training Program

185 S ORANGE AVE
NEWARK, NJ 07103

Essex County (973) 972-6049

CARMA HELEN GOLDSTEIN

Surgery

185 S ORANGE AVE
NEWARK, NJ 07103

Essex County (973) 972-4417

SRUTHI REDDY GOHIMUKKULA MD

Student in an Organized Health Care Education/Training Program

185 S ORANGE AVE, MSB E-506
NEWARK, NJ 07103

Essex County (973) 972-3574

ADEENA SAMONI

Anesthesiology

185 S ORANGE AVE
NEWARK, NJ 07103

Essex County (973) 972-0470

BENJAMIN PARK

Student in an Organized Health Care Education/Training Program

185 S ORANGE AVE
NEWARK, NJ 07103

Essex County (973) 972-4823

MISS KATHERINE LEE LAURITSEN MD

Student in an Organized Health Care Education/Training Program

185 S ORANGE AVE
NEWARK, NJ 07103

Essex County (973) 972-6049

DAN CHEN MD

Anesthesiology

185 S ORANGE AVE
NEWARK, NJ 07103

Essex County (973) 972-5007

ADAM N FANO

Student in an Organized Health Care Education/Training Program

185 S ORANGE AVE
NEWARK, NJ 07103

Essex County (973) 580-1948

JENNYFER YANEIRI VILLAVICENCIO

Student in an Organized Health Care Education/Training Program

185 S ORANGE AVE
NEWARK, NJ 07103

Essex County (848) 469-6577

DR. AMAN M PATEL MD

Student in an Organized Health Care Education/Training Program

185 S ORANGE AVE
NEWARK, NJ 07103

Essex County (973) 972-4300

DR. AZIZ M MERCHANT MD

Surgery

185 S ORANGE AVE, RUTGERS-NEW JERSEY MEDICAL SCHOOL, MSB G514
NEWARK, NJ 07103

Essex County (973) 972-0072

NIVETHA SRINIVASAN MD

Student in an Organized Health Care Education/Training Program

185 S ORANGE AVE
NEWARK, NJ 07103

Essex County (732) 445-4636

SRIKAR DONEPUDI

Student in an Organized Health Care Education/Training Program

185 S ORANGE AVE
NEWARK, NJ 07103

Essex County (732) 445-4636

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 Ana Diaz's NPI number?

The NPI number for Ana Diaz is 1093344939. It was assigned to this individual provider in the NPPES registry on April 3, 2020.

Where is Ana Diaz located?

Ana Diaz practices at 185 S Orange Ave, Newark, NJ 07103. The listed phone number is (973) 972-2900.

What is Ana Diaz's specialty?

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

Is Ana Diaz enrolled in Medicare?

Yes. Ana 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.

Which organizations bill Medicare for Ana Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ana Diaz reassigns Medicare benefits to 2 organizations: University Physician Associates Of New Jersey Inc (Newark, NJ) and Newark Community Health Centers, Inc (Newark, NJ). 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 Ana Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ana Diaz accept?

Health plans from Oscar Health list Ana 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 Ana Diaz affiliated with any hospitals?

According to CMS data, Ana Diaz is affiliated with The University Hospital.

When was this NPI record last updated?

The NPPES record for Ana Diaz was last updated on January 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.