THOMAS F DIAZ M.D.
NPI 1023273919
Internal Medicine - Cardiovascular Disease in Flourtown, PA

Q: What is Thomas Diaz's NPI number?

The NPI number for Thomas Diaz is 1023273919. It was assigned to this individual provider in the NPPES registry on July 21, 2008.

Q: What is Thomas Diaz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Thomas Diaz was last updated on November 20, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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 July 21, 2008PECOS EnrolledAccepts Medicare Assignment

85.27/100

CMS Quality Rating

1722 BETHLEHEM PIKE, FLOURTOWN, PA 19031(215) 233-9700(215) 233-9710 Get Directions Write a Review

NPPES record last updated: November 20, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Thomas F Diaz M.d. NPPES

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

THOMAS F DIAZ M.D. (NPI 1023273919) is an individual cardiovascular disease provider in Flourtown, Pennsylvania, licensed in Pennsylvania (MD-440335) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with Temple Health - Chestnut Hill Hospital, and is a graduate of New York University School Of Medicine (2004).

NPPES Registry Identity

NPI1023273919

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameTHOMAS F DIAZCredential: M.D.

Location Address1722 BETHLEHEM PIKEFlourtown, PA 19031-1644

Mailing AddressPo Box 820933Philadelphia, PA 19182-0933 · (215) 233-9700 · Fax (215) 233-9710

Phone(215) 233-9700

Fax(215) 233-9710

Sole ProprietorNo

Medical School CMSNew York University School Of MedicineGraduated 2004

Enumeration DateJuly 21, 2008

Last NPPES UpdateNovember 20, 2013

✔ NPI 1023273919 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in PA · MD-440335

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

1722 BETHLEHEM PIKE, Flourtown, PA 19031

Open in Google Maps ↗

Other Identifiers 3

OtherCD4829PA · Railroad Medicare Tpi Group

Other1007278000PA · Medicaid Tpi Group

Other597586PA · Medicare Tpi Group

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

Thomas F 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 ID3971663774

PECOS Enrollment IDI20101116000781

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 Reassignment

Medicare enrollment records show Thomas Diaz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Temple Physicians Inc

0.1 mi

Cardiovascular Disease

1722 BETHLEHEM PIKE
Flourtown, PA 19031

Reassigned Medicare billing, Pennsylvania enrollment
447 clinicians in this Medicare group

NPI 1750659330 (215) 233-9700

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 22

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

1,225 services826 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

912 services571 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.

898 services555 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.

374 services146 patients

Anticoagulant management of patient taking warfarin 93793

Anticoagulant management with warfarin involves monitoring and adjusting your medication to prevent blood clots while minimizing the risk of bleeding. Regular blood tests measure your response to warfarin, helping adjust your dose if necessary. It's crucial to maintain a consistent diet and promptly report any changes in your health.

208 services18 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

203 services196 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

180 services175 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

94 services91 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.

80 services56 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.

69 services35 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

62 services62 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 93296

This procedure involves remotely monitoring your pacemaker or implantable defibrillator system. Over a 90-day period, we check the device's performance and your heart's activity. This helps ensure the device is functioning properly and providing the best possible support for your heart health.

60 services31 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 93294

This procedure evaluates your pacemaker system remotely for up to 90 days. It checks whether single, dual, multiple lead, or leadless pacemakers are working properly. It's a safe, convenient way to ensure your heart device is functioning optimally.

36 services19 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.

34 services34 patients

Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days 93295

This procedure involves remotely monitoring your implantable defibrillator system, which can have single, dual, or multiple leads. Over a period of up to 90 days, the system's performance is evaluated to ensure it's working properly and providing the necessary heart rhythm support.

25 services12 patients

Programming of dual lead pacemaker system 93280

Programming of a dual lead pacemaker system is a procedure to adjust your heart's pacemaker settings. This process involves a small device, called a programmer, that communicates with your pacemaker to ensure it's working optimally for your heart's needs.

24 services15 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

20 services20 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

20 services20 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 93015

An exercise or drug-induced heart stress test with ECG is a procedure performed by a doctor to assess how your heart responds to exertion. It involves monitoring your heart's electrical activity while you exercise or after medication is given to mimic exercise effects.

18 services18 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

17 services17 patients

Heart rhythm recording of continous external ekg over 8-15 days 93246

A heart rhythm recording is a non-invasive procedure where a small device, attached externally, monitors your heart's electrical activity for 8-15 days. It helps detect irregular heart rhythms, assess heart rate, and guide treatment decisions. It's safe, painless, and can be done during normal daily activities.

15 services15 patients

Heart rhythm review and interpretation of continous external ekg over 8-15 days 93248

This service involves wearing a device for 8-15 days that continuously records your heart's electrical activity. It helps in identifying irregular heart rhythms. The recorded data is then reviewed and interpreted by a healthcare professional for any abnormalities.

14 services14 patients

Hospital Affiliations CMS Care Compare 5

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

Temple Health - Chestnut Hill Hospital

Acute Care Hospitals · Philadelphia, PA

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390026

Location8835 Germantown AvenuePhiladelphia, PA 19118 · Philadelphia County

Emergency services

Temple University Hospital

Acute Care Hospitals · Philadelphia, PA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390027

Location3401 North Broad StreetPhiladelphia, PA 19140 · Philadelphia County

Emergency services Birthing friendly

Hospital Of Univ Of Pennsylvania

Acute Care Hospitals · Philadelphia, PA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390111

Location34th & Spruce StsPhiladelphia, PA 19104 · Philadelphia County

Emergency services Birthing friendly

Albert Einstein Medical Center

Acute Care Hospitals · Philadelphia, PA

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number390142

Location5501 Old York RoadPhiladelphia, PA 19141 · Philadelphia County

Emergency services Birthing friendly

Abington Memorial Hospital

Acute Care Hospitals · Abington, PA

2/5 CMS rating

OwnershipProprietary

CMS Certification Number390231

Location1200 Old York RoadAbington, PA 19001 · Montgomery County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19031 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

$137.17 typical visit price

range $59.88 – $180.99

Typical copayment $34.29 (range $14.97 – $45.24)

Most-billed visit code 99204

Established Patient

$74.47 typical visit price

range $19.30 – $147.29

Typical copayment $18.61 (range $4.82 – $36.82)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

85.27/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

62.55

Promoting Interoperability

100

Improvement Activities

Cost

75.29

Other Providers at the Same Location NPPES 12

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

DR. GILBERT L ZUCKERMAN M.D.

Internal Medicine (Cardiovascular Disease)

1722 BETHLEHEM PIKE, CHESTNUT HILL CARDIOLOGY LTD
FLOURTOWN, PA 19031

Montgomery County (215) 233-9700

MR. CHARLES S. MURPHY PA

Physician Assistant (Medical)

1722 BETHLEHEM PIKE
FLOURTOWN, PA 19031

Montgomery County (215) 233-9700

DR. DAVID E CHINN M.D.

Internal Medicine (Cardiovascular Disease)

1722 BETHLEHEM PIKE
FLOURTOWN, PA 19031

Montgomery County (215) 233-9700

PATRICIA WALLACE BELANCIO CRNP

Nurse Practitioner (Adult Health)

1722 BETHLEHEM PIKE
FLOURTOWN, PA 19031

Montgomery County (215) 233-9700

CHESTNUT HILL CARDIOLOGY, LTD.

Internal Medicine (Cardiovascular Disease)

1722 BETHLEHEM PIKE
FLOURTOWN, PA 19031

Montgomery County (215) 233-9700

DR. RAPHAEL T BLOOMGARDEN M.D.

Internal Medicine (Cardiovascular Disease)

1722 BETHLEHEM PIKE, CHESTNUT HILL CARDIOLOGY LTD
FLOURTOWN, PA 19031

Montgomery County (215) 233-9700

DR. DAVID M RODGERS M.D.

Internal Medicine (Cardiovascular Disease)

1722 BETHLEHEM PIKE
FLOURTOWN, PA 19031

Montgomery County (215) 233-9700

TEMPLE PHYSICIANS INC

Internal Medicine (Cardiovascular Disease)

1722 BETHLEHEM PIKE
FLOURTOWN, PA 19031

Montgomery County (215) 233-9700

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 Thomas Diaz's NPI number?

The NPI number for Thomas Diaz is 1023273919. It was assigned to this individual provider in the NPPES registry on July 21, 2008.

Where is Thomas Diaz located?

Thomas Diaz practices at 1722 Bethlehem Pike, Flourtown, PA 19031. The listed phone number is (215) 233-9700.

What is Thomas Diaz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Thomas Diaz enrolled in Medicare?

Yes. Thomas 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 organization bills Medicare for Thomas Diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Diaz reassigns Medicare benefits to Temple Physicians Inc (Flourtown, PA). The 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 Thomas Diaz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Thomas Diaz affiliated with any hospitals?

According to CMS data, Thomas Diaz is affiliated with Temple Health - Chestnut Hill Hospital, Temple University Hospital, Hospital Of Univ Of Pennsylvania, Albert Einstein Medical Center and Abington Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Thomas Diaz was last updated on November 20, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.