Physician Profile
Nikolaos Diakos, M.D. practices interventional cardiology in Houston, TX. Nikolaos is also listed as specializing in internal medicine, cardiovascular disease, and student in an organized health care education program. Medicare claims data shows Nikolaos provided 813 services to 385 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and routine electrocardiogram (ecg) using at least 12 leads with interpretation and report. The provider's National Provider Identifier (NPI) is 1659791507.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
6624 FANNIN ST SUITE 2600
Houston, TX 77030
30 North 1900 East, 4C116 SOM
Salt Lake City, UT 84132
800 Washington St
Boston, MA 02111
Within Interventional Cardiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Artery blockages
Blood clots
Blood pressure
Chest symptoms
Circulation & veins
Coronary disease
Heart failure
Heart muscle
Heart muscle conditions
Heart rhythm
Heart rhythm & blood flow
Heart valves
Structural & congenital
Structural heart
Valve disease
Vascular disease
Vein conditions
Most searched procedures
Artery procedures
Blood pressure procedures
Circulation & limbs
Circulatory support
Clot procedures
Coronary stenting
Diagnostic catheterization
Diagnostic tests
Diagnostics & monitoring
Emergency heart procedures
Heart devices
Heart muscle
Heart support
Imaging & diagnostics
Stenting
Structural heart repair
Structural repair
Valve procedures
Valve replacement
Vein procedures
813 services · 385 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
112 | As often as other peers in Interventional Cardiology |
| Evaluation of lower heart chamber assist device | Treatment | 93750 |
105 | Too few peers to compare |
| Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes | Treatment | 99152 |
16 | Less often than most peers in Interventional Cardiology |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
11 | Less often than most peers in Interventional Cardiology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
181 | More often than most peers in Interventional Cardiology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
114 | As often as other peers in Interventional Cardiology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
100 | More often than most peers in Interventional Cardiology |
| Critical care, first 30-74 minutes | Office visit | 99291 |
65 | More often than most peers in Interventional Cardiology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
50 | Less often than most peers in Interventional Cardiology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
27 | More often than most peers in Interventional Cardiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Nikolaos Diakos is an interventional cardiologist in Houston, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Interventional Cardiology”.
NPI registry
Nikolaos Diakos is listed at 6624 Fannin St Suite 2600, Houston, TX 77030. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (713) 790-9401. Contact the office directly to confirm availability and scheduling.
NPI registry
Nikolaos Diakos's National Provider Identifier is 1659791507. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Nikolaos Diakos attended Other, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
Nikolaos Diakos has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Nikolaos Diakos provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and evaluation of lower heart chamber assist device, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Nikolaos Diakos. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.