NIKOLAOS DIAKOS M.D.
NPI 1659791507
Internal Medicine - Interventional Cardiology in Houston, TX

Q: What is Nikolaos Diakos's NPI number?

The NPI number for Nikolaos Diakos is 1659791507. It was assigned to this individual provider in the NPPES registry on April 18, 2014.

Q: What is Nikolaos Diakos's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Q: When was this NPI record last updated?

The NPPES record for Nikolaos Diakos was last updated on March 20, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since April 18, 2014PECOS EnrolledAccepts Medicare Assignment

84.42/100

CMS Quality Rating

6624 FANNIN ST, SUITE 2600, HOUSTON, TX 77030(713) 790-9401(713) 790-0353 Get Directions Write a Review

NPPES record last updated: March 20, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 20, 2023, Feb 24, 2023, Feb 17, 2023 and 4 more (7 updates tracked since 2017).

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About Nikolaos Diakos M.d. NPPES

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

NIKOLAOS DIAKOS M.D. (NPI 1659791507) is an individual interventional cardiology provider in Houston, Texas, licensed in Texas (T9668) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Chi St Luke's Health Baylor College Of Medicine Me, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1659791507

Entity TypeIndividualMale

Primary Taxonomy207RI0011X

Provider Legal NameNIKOLAOS DIAKOSCredential: M.D.

Location Address6624 FANNIN ST, SUITE 2600Houston, TX 77030-2338

Mailing Address6624 Fannin St, Suite 2600Houston, TX 77030-2338 · (713) 790-9401 · Fax (713) 790-0353

Phone(713) 790-9401

Fax(713) 790-0353

Sole ProprietorYes

Medical School CMSOtherGraduated 2007

Enumeration DateApril 18, 2014

Last NPPES UpdateMarch 20, 20237 updates tracked since enumeration

NPPES CertifiedMarch 20, 2023

✔ NPI 1659791507 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RI0011X

License✔ Licensed in TX · T9668

Definition

An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

Also ListedInternal Medicine · Advanced Heart Failure and Transplant CardiologyTaxonomy 207RA0001X · License T9668 (TX)

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 271477 (MA), T9668 (TX)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

6624 FANNIN ST, Houston, TX 77030

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Secondary Practice Locations 2

Location 130 North 1900 East, 4C116 SOMSalt Lake City, UT 84132 · Phone (801) 581-7899

Location 2800 Washington StBoston, MA 02111-1552 · Phone (617) 636-8137

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.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

Nikolaos Diakos 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 ID8921302167

PECOS Enrollment IDI20221108001396

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 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.

181 services57 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.

114 services51 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.

112 services67 patients

Evaluation of lower heart chamber assist device 93750

An evaluation of a lower heart chamber assist device is a procedure to check the function of an implanted device aiding your heart's lower chambers. This helps ensure optimal heart function by monitoring the device's performance and your heart's response to it.

105 services15 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

100 services63 patients

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.

65 services14 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 services40 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

27 services20 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

21 services20 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

16 services16 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

11 services11 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

Chi St Luke's Health Baylor College Of Medicine Me

Acute Care Hospitals · Houston, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number450193

Location6720 Bertner Ave, Ste Mc1-266Houston, TX 77030 · Harris County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 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

$134.06 typical visit price

range $58.24 – $176.98

Typical copayment $33.51 (range $14.56 – $44.24)

Most-billed visit code 99204

Established Patient

$102.71 typical visit price

range $18.60 – $143.93

Typical copayment $25.67 (range $4.65 – $35.98)

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.

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.

84.42/100

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

Scored as part of a group practice

Quality

89.51

Improvement Activities

Cost

62.07

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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. JAIME BENREY MD

Internal Medicine (Cardiovascular Disease)

6624 FANNIN ST, STE 2310
HOUSTON, TX 77030

Harris County (713) 796-2668

MARISOL J SKIBIN P.T.

Physical Therapist

6624 FANNIN ST, SUITE 2600
HOUSTON, TX 77030

Harris County (713) 790-1818

MELANIE EHNI MOUZOON MD

Pediatrics

6624 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 442-0000

SAMAR SHETH MD

Internal Medicine (Cardiovascular Disease)

6624 FANNIN ST, SUITE 2320
HOUSTON, TX 77030

Harris County (832) 355-6676

FRANK TRAVIS GEROW M.D.

Orthopaedic Surgery (Pediatric Orthopaedic Surgery)

6624 FANNIN ST, SUITE 2600
HOUSTON, TX 77030

Harris County (713) 790-1818

DAWN DENISE SHORT CNM

Advanced Practice Midwife

6624 FANNIN ST, SUITE 1800
HOUSTON, TX 77030

Harris County (713) 797-1144

HOUSTON HEART CLINIC

Internal Medicine (Cardiovascular Disease)

6624 FANNIN ST, STE. 1590
HOUSTON, TX 77030

Harris County (713) 759-9901

SUSHANTH BEERAVOLU REDDY DO

Hospitalist

6624 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 442-0427

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 Nikolaos Diakos's NPI number?

The NPI number for Nikolaos Diakos is 1659791507. It was assigned to this individual provider in the NPPES registry on April 18, 2014.

Where is Nikolaos Diakos located?

Nikolaos Diakos practices at 6624 Fannin St Suite 2600, Houston, TX 77030. The listed phone number is (713) 790-9401.

What is Nikolaos Diakos's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is Nikolaos Diakos enrolled in Medicare?

Yes. Nikolaos Diakos 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 Nikolaos Diakos accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Nikolaos Diakos 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 Nikolaos Diakos affiliated with any hospitals?

According to CMS data, Nikolaos Diakos is affiliated with Chi St Luke's Health Baylor College Of Medicine Me.

When was this NPI record last updated?

The NPPES record for Nikolaos Diakos was last updated on March 20, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.