NPPES file of Aug 9, 2026

Jocelyn De Guzman, M.D.

Emergency Medicine Physician · Chattanooga, TN

Jocelyn De Guzman, M.D. is an emergency medicine physician with a practice address in Chattanooga, Tennessee, and NPI 1033318670, issued on Jul 13, 2007. Check the license (Tennessee 51455, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1033318670
Name
Jocelyn De Guzman
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
51455 TN
2009-01383 NC
Self-reported in NPPES; status is on the state search
Practice location
1755 Gunbarrel RD, Chattanooga, TN 37421
Phone
(423) 680-8534
Enumerated
Jul 13, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1755 Gunbarrel RD

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

  1. David Barnes, MDOtolaryngology Physician1427023506
  2. Clint Christensen, MDEmergency Medicine Physician1013276039
  3. Cameron JohnsonNurse Practitioner1265170856
  4. Melissa Kubic, PTPhysical Therapist1063622272
  5. H Lantz, MDSpecialist1093780546
  6. Amy Long, MSN APRN FNP-CFamily Nurse Practitioner1164839494

Verify Jocelyn De Guzman 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 51455
    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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21% fewer Medicare Part D claims than the average emergency medicine physician in 2024

179 Medicare Part D claims for 94 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 35 claims were for opioids.

  1. Jocelyn De Guzman179
  2. Specialty average226

Most prescribed

  1. Oxycodone-Acetaminophen22 claims
  2. Ondansetron Odt13 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.

Industry payments in 2024: $13.43

1 payment: food and beverage; the largest payer was Octapharma USA, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jocelyn De Guzman$13.43
  2. Specialty average$953.79

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. Tennessee River Physicians, PLLCChattanooga, TN

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

112 emergency medicine physician records list a practice address in Chattanooga

They are 112 of the 7,377 NPPES records with a practice address in Chattanooga, and 1,174 emergency medicine physician records in Tennessee.

Other emergency medicine physician records in Tennessee

  1. John Abercrombie, M.D.Memphis, TN1295761443
  2. Rodolfo Acosta, MDNashville, TN1598467250
  3. Charles Adams, M.D.Knoxville, TN1093810863
  4. Frank Adcock, MDCordova, TN1326312604
  5. Amanda Addington, M.D.Memphis, TN1134573777
  6. Christopher Adelman, M.D.Memphis, TN1134325426
  7. William Adkins, MDMemphis, TN1629575071
  8. Jacob Agner, DOOak Ridge, TN1285212100
  9. Kitan AkinoshoNashville, TN1558005991
  10. Tamer Akoury, MDClarksville, TN1699152280

Common questions

What is Jocelyn De Guzman, M.D.'s NPI number?

Jocelyn De Guzman, M.D.'s National Provider Identifier (NPI) is 1033318670, issued on Jul 13, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jocelyn De Guzman, M.D. located?

The NPPES record lists a practice address at 1755 Gunbarrel RD, Chattanooga, TN, 37421. Phone: (423) 680-8534. Providers update this record themselves, so call before visiting.

How can I verify Jocelyn De Guzman, M.D.'s license?

NPPES lists Tennessee license number 51455, 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 Jocelyn De Guzman, M.D. prescribe under Medicare Part D?

In 2024, Jocelyn De Guzman, M.D. had 179 Medicare Part D claims for 94 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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 27, 2026.