Dennis Ryan Marcelo, M.D.
Pain Medicine (Anesthesiology) Physician · Jackson, MS
Dennis Ryan Marcelo, M.D. is a pain medicine (anesthesiology) physician with a practice address in Jackson, Mississippi, and NPI 1417343559, issued on Apr 15, 2015. Check the license (Mississippi 33695, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Dennis Ryan Marcelo
- Credential
- M.D.
- Primary taxonomy
- Pain Medicine (Anesthesiology) Physician 207LP2900X
- License numbers
- 33695 MS
DR.0064172 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1225 N State St, Jackson, MS 39202
- Phone
- (601) 968-1000
- Enumerated
- Apr 15, 2015
- Record last updated
- May 19, 2026
- Medicare enrollment
- Enrolled (PECOS I20240909004424); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pain medicine (anesthesiology) physician records → All 41 in Mississippi → Look up another NPI →
Also registered at 1225 N State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Dennis Ryan Marcelo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 33695Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average pain medicine (anesthesiology) physician in 2024
846 Medicare Part D claims for 218 beneficiaries, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 575 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen142 claims
- Oxycodone-Acetaminophen98 claims
- Oxycodone Hcl96 claims
- Tramadol Hcl52 claims
- Pregabalin49 claims
- Gabapentin43 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): 98 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,940.16
43 payments; by number, the most common kind was food and beverage; the largest payer was Spinal Simplicity, LLC. The 2,789 providers of this specialty with any payment received $3,225.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Flowood Pain Center, LLCHattiesburg, MS
- Perioperative Services OF Mississippi, LLCJackson, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dennis Ryan Marcelo among 41 pain medicine (anesthesiology) physician records in Mississippi
Dennis Ryan Marcelo, M.D. is one of 41 pain medicine (anesthesiology) physician records with a practice address in Mississippi. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 85% of them.
- NPI issued2015 · 85% of these records are older, 10% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2013 · median 2001 among the 30 with a school on file
- Record last updated2026 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Anesthesiology) Physician providers in Mississippi
There are 41 pain medicine (anesthesiology) physician records in Mississippi.
All 41 in Mississippi → Every provider in Jackson → Pain Medicine (Anesthesiology) Physician nationwide →
The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes
- Joel Nutt, M.D.Jackson, MS 392021265720791
- Kristen Bell, M.D.Jackson, MS 392161841554227
- Veronica Carullo, M.D.Jackson, MS 392161689843906
- Arvind ChandrashekarJackson, MS 392161538543400
- Ikechukwui Eriator, M.D.Jackson, MS 392161992806939
- William Gusa, MDJackson, MS 392161083614317
- Patrick Klar, M.D.Jackson, MS 392161184887663
- Casey Orzechowicz, M.D.Jackson, MS 392161073074597
Common questions
What is Dennis Ryan Marcelo, M.D.'s NPI number?
Dennis Ryan Marcelo, M.D.'s National Provider Identifier (NPI) is 1417343559, issued on Apr 15, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Dennis Ryan Marcelo, M.D. located?
The NPPES record lists a practice address at 1225 N State St, Jackson, MS, 39202. Phone: (601) 968-1000. Providers update this record themselves, so call before visiting.
How can I verify Dennis Ryan Marcelo, M.D.'s license?
NPPES lists Mississippi license number 33695, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dennis Ryan Marcelo, M.D. prescribe under Medicare Part D?
In 2024, Dennis Ryan Marcelo, M.D. had 846 Medicare Part D claims for 218 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. Part D covers Medicare prescriptions only.
What is Dennis Ryan Marcelo, M.D.'s MIPS final score?
The 2023 MIPS final score is 98 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.