NPPES file of Aug 9, 2026

Michael Gregory Kaldis, M.D.

Orthopaedic Surgery Physician · Houston, TX

Michael Gregory Kaldis, M.D. is an orthopaedic surgery physician with a practice address in Houston, Texas, and NPI 1952309577, issued on Jul 8, 2005. Check the license (Texas G8208, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952309577
Name
Michael Gregory Kaldis
Credential
M.D.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
G8208 TX
Self-reported in NPPES; status is on the state search
Practice location
6560 Fannin St, Houston, TX 77030
Phone
(713) 333-4120
Enumerated
Jul 8, 2005
Record last updated
Feb 9, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(713) 333-4121
Medicare enrollment
Enrolled (PECOS I20041029000646); accepts Medicare assignment
Medical or professional school
University Of Texas Medical Branch At Galveston, 1984
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 6560 Fannin St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Guelbert Abellana, N.P.Nurse Practitioner1457605156
  2. Ahmed Albayar, MDStudent in an Organized Health Care Education/Training Program1417694142
  3. Alfonso Aldama, MDNeurological Surgery Physician1164415170
  4. David Alfi, D.D.S., M.D.Oral and Maxillofacial Surgery (Dentist)1245424019
  5. Eugene Alford, MDOtolaryngology/Facial Plastic Surgery Physician1093700387
  6. Rakshanda Aslam, MDInternal Medicine Physician1720260268

Verify Michael Gregory Kaldis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license G8208
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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90% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

34 Medicare Part D claims for 23 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D.

  1. Michael Kaldis34
  2. Specialty average346

Most prescribed

  1. Methylprednisolone13 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 practice group's MIPS final score for 2023 (Medicare payment program): 74.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score70.5
  2. Costout of 100 · 30%44.7
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Southwest Orthopedic Group, LLPHouston, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Michael Gregory Kaldis among 1,514 orthopaedic surgery physician records in Texas

Michael Gregory Kaldis, M.D. is one of 1,514 orthopaedic surgery physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 82% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated1984 · median 2003 among the 1,016 with a school on file
  • Record last updated2012 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in Texas

There are 1,514 orthopaedic surgery physician records in Texas.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. James Bennett, M.D.Houston, TX 770301699741520
  2. Mark Brinker, M.D.Houston, TX 770301861480386
  3. Thomas Edwards, M.D.Houston, TX 770301528056033
  4. Howard Epps, M.D.Houston, TX 770301194713784
  5. Gary Gartsman, M.D.Houston, TX 770301821086414
  6. Joseph Gugenheim, M.D.Houston, TX 770301730177320
  7. Melvyn Harrington, MDHouston, TX 770301851365258
  8. Richard Haynes, MDHouston, TX 770301689641789

Common questions

What is Michael Gregory Kaldis, M.D.'s NPI number?

Michael Gregory Kaldis, M.D.'s National Provider Identifier (NPI) is 1952309577, issued on Jul 8, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Michael Gregory Kaldis, M.D. located?

The NPPES record lists a practice address at 6560 Fannin St, Houston, TX, 77030. Phone: (713) 333-4120. Providers update this record themselves, so call before visiting.

How can I verify Michael Gregory Kaldis, M.D.'s license?

NPPES lists Texas license number G8208, 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 Michael Gregory Kaldis, M.D. prescribe under Medicare Part D?

In 2024, Michael Gregory Kaldis, M.D. had 34 Medicare Part D claims for 23 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.

What is Michael Gregory Kaldis, M.D.'s MIPS final score?

The 2023 MIPS final score is 74.5 of 100, reported for the practice group. 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.