NPPES file of Aug 9, 2026

Christopher Peter Guarisco, M.D.

Internal Medicine Physician · Baton Rouge, LA

Christopher Peter Guarisco, M.D. is an internal medicine physician with a practice address in Baton Rouge, Louisiana, and NPI 1255356002, issued on Jul 13, 2006. Check the license (Louisiana 21248, as entered in NPPES) on the Louisiana State 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
1255356002
Name
Christopher Peter Guarisco
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
21248 LA
Self-reported in NPPES; status is on the state search
Practice location
3401 North Blvd, Baton Rouge, LA 70806
Phone
(225) 336-3100
Enumerated
Jul 13, 2006
Record last updated
Jun 17, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(225) 336-3111
Medicaid ID
1987573 LA
Medicare enrollment
Enrolled (PECOS I20100622000774); accepts Medicare assignment
Medical or professional school
Louisiana State University School Of Medicine In New Orleans, 1991
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 3401 North Blvd

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

  1. Janet Cook, M.D.Family Medicine Physician1326073107
  2. Andrea Cothern, NPGeneral Practice Registered Nurse1710042122
  3. Henry Dixon, M.DInternal Medicine Physician1255498010
  4. Joseph Dupont, MDSurgery Physician1407879323
  5. Joy Emwinmarhuanmwan, MDStudent in an Organized Health Care Education/Training Program1114779394
  6. Charles Kaufman, M.D.Neurology Physician1619054244

Verify Christopher Peter Guarisco in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
    Search for license 21248
    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 Louisiana 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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3.0 times the Medicare Part D claims of the average internal medicine physician in 2024

9,644 Medicare Part D claims for 672 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 123 claims were for opioids.

  1. Christopher Guarisco9,644
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate908 claims
  2. Atorvastatin Calcium619 claims
  3. Pantoprazole Sodium386 claims
  4. Levothyroxine Sodium342 claims
  5. Losartan Potassium323 claims
  6. Metoprolol Succinate286 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. Ochsner Clinic LLCRaceland, LA

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

256 internal medicine physician records list a practice address in Baton Rouge

They are 256 of the 12,526 NPPES records with a practice address in Baton Rouge, and 1,749 internal medicine physician records in Louisiana.

Other internal medicine physician records in Louisiana

  1. Alfred Abaunza, M.D.New Orleans, LA1093994287
  2. David Abdehou, MDShreveport, LA1568471993
  3. Youssef Abdelmalek, M.DAlexandria, LA1639553233
  4. Mohammed Abdelsalam, MDNew Orleans, LA1922740190
  5. Mary Abell, M.D.New Orleans, LA1083631089
  6. Shema Abraham, M.DLafayette, LA1285053405
  7. Candice Abuso, MDHarvey, LA1780670489
  8. Aaron Ackley, M.D.Lafayette, LA1699209015
  9. Marc Acosta, M.D.Metairie, LA1891868840
  10. Scott Acosta, MDMarrero, LA1023018199

Common questions

What is Christopher Peter Guarisco, M.D.'s NPI number?

Christopher Peter Guarisco, M.D.'s National Provider Identifier (NPI) is 1255356002, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Peter Guarisco, M.D. located?

The NPPES record lists a practice address at 3401 North Blvd, Baton Rouge, LA, 70806. Phone: (225) 336-3100. Providers update this record themselves, so call before visiting.

How can I verify Christopher Peter Guarisco, M.D.'s license?

NPPES lists Louisiana license number 21248, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Christopher Peter Guarisco, M.D. prescribe under Medicare Part D?

In 2024, Christopher Peter Guarisco, M.D. had 9,644 Medicare Part D claims for 672 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.