Nikolaos Diakos, M.D.
Interventional Cardiology Physician · Houston, TX
Nikolaos Diakos, M.D. is an interventional cardiology physician with a practice address in Houston, Texas, and NPI 1659791507, issued on Apr 18, 2014. Check the license (Texas T9668, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Nikolaos Diakos
- Credential
- M.D.
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License numbers
- T9668 TX
271477 MA
Self-reported in NPPES; status is on the state search - Practice location
- 6624 Fannin St, Houston, TX 77030
- Phone
- (713) 790-9401
- Enumerated
- Apr 18, 2014
- Record last updated
- Mar 20, 2023
- Fax
- (713) 790-0353
- Medicare enrollment
- Enrolled (PECOS I20221108001396); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest interventional cardiology physician records → All 724 in Texas → Look up another NPI →
Also registered at 6624 Fannin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bindu Abraham, M.D.Internal Medicine Physician1558638627
- Helen Akpan, NPNurse Practitioner1548614886
- Hiba Ali, MDHospitalist Physician1811426653
- Sumera Ali, P.A.Physician Assistant1144657578
- Mark Amerman, OPA-CPhysician Assistant1073703740
- Bahaa AwadaAdult Health Nurse Practitioner1497110621
Verify Nikolaos Diakos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license T9668Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average interventional cardiology physician in 2024
836 Medicare Part D claims for 121 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Atorvastatin Calcium72 claims
- Metoprolol Succinate69 claims
- Amlodipine Besylate61 claims
- Losartan Potassium42 claims
- Eliquis38 claims
- Lisinopril33 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 91.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,582.81
67 payments; by number, the most common kind was food and beverage; the largest payer was CVRx, Inc. The 6,394 providers of this specialty with any payment received $7,062.29 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Baylor College OF MedicineHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nikolaos Diakos among 724 interventional cardiology physician records in Texas
Nikolaos Diakos, M.D. is one of 724 interventional cardiology physician records with a practice address in Texas. 97% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 83% of them.
- NPI issued2014 · 83% of these records are older, 13% newer
- In a Medicare fileYes · 97% of these records are
- In the CMS Doctors and Clinicians fileYes · 90% of these records are
- Graduated2007 · median 2003 among the 653 with a school on file
- Record last updated2023 · 31% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Cardiology Physician providers in Texas
There are 724 interventional cardiology physician records in Texas.
All 724 in Texas → Every provider in Houston → Interventional Cardiology Physician nationwide →
The 8 interventional cardiology physician records with the nearest ZIP codes
- Salman Arain, MDHouston, TX 770301245285352
- John Buergler, M.D.Houston, TX 770301871538165
- Ali Denktas, M.D.Houston, TX 770301326066879
- Stanley Duchman, M.D.Houston, TX 770301407810377
- Richard Fish, M.D.Houston, TX 770301487608352
- Juan Granada, MDHouston, TX 770301831175363
- Eduardo Hernandez, M.D.Houston, TX 770301194748004
- John Isaac, M.D.Houston, TX 770301295799005
Common questions
What is Nikolaos Diakos, M.D.'s NPI number?
Nikolaos Diakos, M.D.'s National Provider Identifier (NPI) is 1659791507, issued on Apr 18, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Nikolaos Diakos, M.D. located?
The NPPES record lists a practice address at 6624 Fannin St, Houston, TX, 77030. Phone: (713) 790-9401. Providers update this record themselves, so call before visiting.
How can I verify Nikolaos Diakos, M.D.'s license?
NPPES lists Texas license number T9668, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nikolaos Diakos, M.D. prescribe under Medicare Part D?
In 2024, Nikolaos Diakos, M.D. had 836 Medicare Part D claims for 121 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.
What is Nikolaos Diakos, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.