NPPES file of Aug 9, 2026

Robert Joseph Guerreso, D.O.

Family Medicine Physician · Lawrenceville, GA

Robert Joseph Guerreso, D.O. is a family medicine physician with a practice address in Lawrenceville, Georgia, and NPI 1457401010, issued on Jan 12, 2007. Check the license (Georgia 038787, as entered in NPPES) on the Georgia Composite Medical Board; 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
1457401010
Name
Robert Joseph Guerreso
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
038787 GA
Self-reported in NPPES; status is on the state search
Practice location
1730 Lawrenceville Suwanee RD, Lawrenceville, GA 30043
Phone
(770) 338-0089
Enumerated
Jan 12, 2007
Record last updated
Mar 10, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(770) 338-0091
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 1730 Lawrenceville Suwanee RD

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

  1. Steven Celestin, M.D.Family Medicine Physician1770576639
  2. Michelle Forrester, P.A.Medical Physician Assistant1205140613
  3. Patricia Gartin, PA-CPhysician Assistant1396597951
  4. Jade Harris, PAPhysician Assistant1720815988
  5. Rashmi Kulkarni, MDFamily Medicine Physician1265651541
  6. Sue Neal, NPFamily Nurse Practitioner1336372770

Verify Robert Joseph Guerreso in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersGeorgia Composite Medical Board
    Search for license 038787
    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 Georgia 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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98% fewer Medicare Part D claims than the average family medicine physician in 2024

82 Medicare Part D claims for 24 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Robert Guerreso82
  2. Specialty average3,544

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.

Robert Joseph Guerreso among 3,951 family medicine physician records in Georgia

Robert Joseph Guerreso, D.O. is one of 3,951 family medicine physician records with a practice address in Georgia. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 43% of them.

  • NPI issued2007 · 43% of these records are older, 48% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% of these records are
  • Record last updated2021 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

69 family medicine physician records list a practice address in Lawrenceville

They are 69 of the 4,400 NPPES records with a practice address in Lawrenceville, and 3,951 family medicine physician records in Georgia.

The 8 family medicine physician records with the nearest ZIP codes

  1. Nazra Baluch, M.D.Lawrenceville, GA 300431366628117
  2. Steven Celestin, M.D.Lawrenceville, GA 300431770576639
  3. Lloydstone Jacobs, M.D.Lawrenceville, GA 300431881816700
  4. Barbara Jones, D.O.Lawrenceville, GA 300431215357629
  5. Rashmi Kulkarni, MDLawrenceville, GA 300431265651541
  6. David Kunz, MDLawrenceville, GA 300431952363194
  7. Norvin Ona, D.O.Lawrenceville, GA 300431881765030
  8. Paul Robertson, M.D.Lawrenceville, GA 300431346687696

Common questions

What is Robert Joseph Guerreso, D.O.'s NPI number?

Robert Joseph Guerreso, D.O.'s National Provider Identifier (NPI) is 1457401010, issued on Jan 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Robert Joseph Guerreso, D.O. located?

The NPPES record lists a practice address at 1730 Lawrenceville Suwanee RD, Lawrenceville, GA, 30043. Phone: (770) 338-0089. Providers update this record themselves, so call before visiting.

How can I verify Robert Joseph Guerreso, D.O.'s license?

NPPES lists Georgia license number 038787, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Robert Joseph Guerreso, D.O. prescribe under Medicare Part D?

In 2024, Robert Joseph Guerreso, D.O. had 82 Medicare Part D claims for 24 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.