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ALONSO R DIAZ M. D.
NPI 1992169171
Internal Medicine - Nephrology in Bridgeville, PA

Active since April 13, 2016PECOS EnrolledAccepts Medicare Assignment
1597 WASHINGTON PIKE STE A22, BRIDGEVILLE, PA 15017(412) 489-6919(412) 489-6279 Get Directions Write a Review

NPPES record last updated: August 16, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 16, 2023, Jul 6, 2021, May 29, 2020 and 1 more (4 updates tracked since 2019).

About Alonso R Diaz M. D. NPPES

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

ALONSO R DIAZ M. D. (NPI 1992169171) is an individual nephrology provider in Bridgeville, Pennsylvania, licensed in Pennsylvania (MD473697) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, is affiliated with Heritage Valley Beaver, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1992169171
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameALONSO R DIAZCredential: M. D.
Location Address1597 WASHINGTON PIKE STE A22Bridgeville, PA 15017-2878
Mailing Address1597 Washington Pike Ste A22Bridgeville, PA 15017-2878 · (412) 489-6919 · Fax (412) 489-6279
Phone(412) 489-6919
Fax(412) 489-6279
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateApril 13, 2016
Last NPPES UpdateAugust 16, 20234 updates tracked since enumeration
NPPES CertifiedAugust 16, 2023
✔ NPI 1992169171 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
Licenses✔ Licensed in PA · MD473697✔ Licensed in CA · 1992169171
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
1597 WASHINGTON PIKE STE A22, Bridgeville, PA 15017
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1565 Abbott RdBuffalo, NY 14220-2039 · Phone (872) 588-2449
Location 24150 V Street, PSSB Suite 3500sacramento, CA 95817 · Phone (872) 588-2449

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

Alonso R 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 ID3870831365
PECOS Enrollment IDI20210709000580
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 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 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.
691 services188 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.
164 services143 patients
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.
146 services71 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
117 services111 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
115 services81 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
50 services50 patients

Hospital Affiliations CMS Care Compare 5

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

Heritage Valley Beaver

Acute Care Hospitals · Beaver, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390036
Location1000 Dutch Ridge RoadBeaver, PA 15009 · Beaver County
Emergency services

Heritage Valley Sewickley

Acute Care Hospitals · Sewickley, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390037
Location720 Blackburn RoadSewickley, PA 15143 · Allegheny County
Emergency services

Washington Hospital, The

Acute Care Hospitals · Washington, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390042
Location155 Wilson AvenueWashington, PA 15301 · Washington County
Emergency services Birthing friendly

Canonsburg General Hospital

Acute Care Hospitals · Canonsburg, PA
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number390160
Location100 Medical BoulevardCanonsburg, PA 15317 · Washington County
Emergency services

St Clair Hospital

Acute Care Hospitals · Pittsburgh, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390228
Location1000 Bower Hill RoadPittsburgh, PA 15243 · Allegheny County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 15017 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
$126.34 typical visit price
range $54.64 – $166.87
Typical copayment $31.58 (range $13.66 – $41.71)
Most-billed visit code 99204
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
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 2

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

TEREDESAI MCCANN & ASSOCIATES PC
Internal Medicine (Nephrology)
1597 WASHINGTON PIKE STE A22
BRIDGEVILLE, PA 15017
Allegheny County (412) 489-6919
MISS SAMANTHA I TOROK CRNP
Internal Medicine (Nephrology)
1597 WASHINGTON PIKE STE A22
BRIDGEVILLE, PA 15017
Allegheny County (412) 489-6919

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 Alonso Diaz's NPI number?

The NPI number for Alonso Diaz is 1992169171. It was assigned to this individual provider in the NPPES registry on April 13, 2016.

Where is Alonso Diaz located?

Alonso Diaz practices at 1597 Washington Pike Ste A22, Bridgeville, PA 15017. The listed phone number is (412) 489-6919.

What is Alonso Diaz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Alonso Diaz enrolled in Medicare?

Yes. Alonso 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.

Is Alonso Diaz affiliated with any hospitals?

According to CMS data, Alonso Diaz is affiliated with Heritage Valley Beaver, Heritage Valley Sewickley, Washington Hospital, The, Canonsburg General Hospital and St Clair Hospital.

When was this NPI record last updated?

The NPPES record for Alonso Diaz was last updated on August 16, 2023. 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.