NPPES file of Aug 9, 2026

David Hongrong Guan, M.D.

Pulmonary Disease Physician · Chattanooga, TN

David Hongrong Guan, M.D. is a pulmonary disease physician with a practice address in Chattanooga, Tennessee, and NPI 1891772208, issued on Dec 28, 2005. Check the license (Tennessee 35362, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1891772208
Name
David Hongrong Guan
Credential
M.D.
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License numbers
35362 TN
056561 GA
22557 NH
3065 WI
Self-reported in NPPES; status is on the state search
Practice location
1814 Mccallie Ave, Chattanooga, TN 37404
Phone
(423) 208-9030
Enumerated
Dec 28, 2005
Record last updated
Jun 7, 2023
Fax
(800) 875-1815
Medicaid ID
1891772208 TN
Medicare enrollment
Enrolled (PECOS I20040423000638); may accept Medicare assignment
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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Verify David Hongrong Guan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 35362
    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 Tennessee license search

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54% fewer Medicare Part D claims than the average pulmonary disease physician in 2024

649 Medicare Part D claims for 62 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.

  1. David Guan649
  2. Specialty average1,425

Most prescribed

  1. Zolpidem Tartrate110 claims
  2. Albuterol Sulfate Hfa105 claims
  3. Dextroamphetamine-Amphetamine48 claims
  4. Methylphenidate Hcl43 claims
  5. Clonazepam26 claims
  6. Anoro Ellipta24 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.

Bills Medicare through one group practice

  1. Southeastern Physician Services PCClarksville, TN

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

David Hongrong Guan among 359 pulmonary disease physician records in Tennessee

David Hongrong Guan, M.D. is one of 359 pulmonary disease physician records with a practice address in Tennessee. 89% 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, 85% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 80% of these records are
  • Graduated1984 · median 2003 among the 288 with a school on file
  • Record last updated2023 · 38% 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 Tennessee 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 Tennessee

There are 359 pulmonary disease physician records in Tennessee.

The 8 pulmonary disease physician records with the nearest ZIP codes

  1. Carlos Baleeiro, MDChattanooga, TN 374041841223039
  2. Michael Czarnecki, MDChattanooga, TN 374041780774083
  3. Clyde Everhart, MDChattanooga, TN 374041316943665
  4. John Forman, MDChattanooga, TN 374041366449506
  5. Angelique GrossChattanooga, TN 374041902291172
  6. Osamuyi Idubor, DOChattanooga, TN 374041740741644
  7. Catherine Martinez, MDChattanooga, TN 374041861547622
  8. Nathan Mull, MDChattanooga, TN 374041588653208

Common questions

What is David Hongrong Guan, M.D.'s NPI number?

David Hongrong Guan, M.D.'s National Provider Identifier (NPI) is 1891772208, issued on Dec 28, 2005. An NPI identifies a provider in billing; it is not a license.

Where is David Hongrong Guan, M.D. located?

The NPPES record lists a practice address at 1814 Mccallie Ave, Chattanooga, TN, 37404. Phone: (423) 208-9030. Providers update this record themselves, so call before visiting.

How can I verify David Hongrong Guan, M.D.'s license?

NPPES lists Tennessee license number 35362, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does David Hongrong Guan, M.D. prescribe under Medicare Part D?

In 2024, David Hongrong Guan, M.D. had 649 Medicare Part D claims for 62 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.

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.