NPPES file of Aug 9, 2026

Leonard Hoyin Chow, MD

Pulmonary Disease Physician · Houston, TX

Leonard Hoyin Chow, MD is a pulmonary disease physician with a practice address in Houston, Texas, and NPI 1720254915, issued on May 7, 2008. Check the license (Texas N7997, 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
1720254915
Name
Leonard Hoyin Chow
Credential
MD
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License numbers
N7997 TX
BP10031985 TX
Self-reported in NPPES; status is on the state search
Practice location
6560 Fannin St Ste 1632, Houston, TX 77030
Phone
(713) 255-4000
Enumerated
May 7, 2008
Record last updated
Nov 15, 2023
Fax
(713) 255-4050
Medicare enrollment
Enrolled (PECOS I20110718000636); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At San Antonio, 2008
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 Ste 1632

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

  1. Alberto Colomer, M.D.Pulmonary Disease Physician1821265513
  2. Timothy Connolly, M.D.Pulmonary Disease Physician1396798153
  3. Clinton Doerr, M.D.Pulmonary Disease Physician1790737187
  4. Peter Kaldis, M.D.Hospitalist Physician1144578782
  5. Lisa Kopas, M.D.Pulmonary Disease Physician1174795157
  6. Jayasimha Murthy, MDPulmonary Disease Physician1477543122

Verify Leonard Hoyin Chow in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license N7997
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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46% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

775 Medicare Part D claims for 168 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.

  1. Leonard Chow775
  2. Specialty average1,425

Most prescribed

  1. Albuterol Sulfate Hfa96 claims
  2. Prednisone94 claims
  3. Trelegy Ellipta76 claims
  4. Montelukast Sodium63 claims
  5. Breo Ellipta48 claims
  6. Ipratropium Bromide35 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.

  1. Qualityout of 100 · 30% of the final score81.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%89.1
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $354.23

22 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 8,806 providers of this specialty with any payment received $5,159.88 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Leonard Chow$354.23
  2. Specialty average$5,159.88

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

  1. Pulmonary Critical Care And Sleep Medicine Consultants, LLPHouston, TX

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

Leonard Hoyin Chow among 967 pulmonary disease physician records in Texas

Leonard Hoyin Chow, MD is one of 967 pulmonary disease physician records with a practice address in Texas. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 59% of them.

  • NPI issued2008 · 59% of these records are older, 34% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 80% of these records are
  • Graduated2008 · median 2001 among the 773 with a school on file
  • Record last updated2023 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pulmonary Disease Physician providers in Texas

There are 967 pulmonary disease physician records in Texas.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Khalid Almoosa, M.D.Houston, TX 770301578528956
  2. Timothy Connolly, M.D.Houston, TX 770301396798153
  3. Clinton Doerr, M.D.Houston, TX 770301790737187
  4. Prasad Manian, M.D.Houston, TX 770301194777318
  5. Dipaben Modi, MDHouston, TX 770301114971850
  6. Shahram Moghtader, M.D.Houston, TX 770301356398531
  7. Jayasimha Murthy, MDHouston, TX 770301477543122
  8. Phuong-Dung Nguyen, MDHouston, TX 770301962486878

Common questions

What is Leonard Hoyin Chow, MD's NPI number?

Leonard Hoyin Chow, MD's National Provider Identifier (NPI) is 1720254915, issued on May 7, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Leonard Hoyin Chow, MD located?

The NPPES record lists a practice address at 6560 Fannin St Ste 1632, Houston, TX, 77030. Phone: (713) 255-4000. Providers update this record themselves, so call before visiting.

How can I verify Leonard Hoyin Chow, MD's license?

NPPES lists Texas license number N7997, 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 Leonard Hoyin Chow, MD prescribe under Medicare Part D?

In 2024, Leonard Hoyin Chow, MD had 775 Medicare Part D claims for 168 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.

What is Leonard Hoyin Chow, MD'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.