DR. DENNIS RYAN MARCELO M.D.
NPI 1417343559
Anesthesiology - Pain Medicine in Jackson, MS

Q: What is Dennis Marcelo's NPI number?

The NPI number for Dennis Marcelo is 1417343559. It was assigned to this individual provider in the NPPES registry on April 15, 2015.

Q: What is Dennis Marcelo's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Q: When was this NPI record last updated?

The NPPES record for Dennis Marcelo was last updated on May 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 15, 2015PECOS EnrolledAccepts Medicare Assignment

98.04/100

CMS Quality Rating

1225 N STATE ST, JACKSON, MS 39202(601) 968-1000 Get Directions Write a Review

NPPES record last updated: May 19, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 19, 2026, Jun 25, 2025, Oct 10, 2024 and 2 more (5 updates tracked since 2020).

On this page

About Dr. Dennis Ryan Marcelo M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DENNIS RYAN MARCELO M.D. (NPI 1417343559) is an individual pain medicine provider in Jackson, Mississippi, licensed in Mississippi (33695) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, is affiliated with Mississippi Baptist Medical Center, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1417343559

Entity TypeIndividualMale

Primary Taxonomy207LP2900X

Provider Legal NameDR. DENNIS RYAN MARCELOCredential: M.D.

Location Address1225 N STATE STJackson, MS 39202-2064

Mailing Address234 E Capitol StJackson, MS 39201-2418 · (601) 317-2802

Phone(601) 968-1000

Sole ProprietorNo

Medical School CMSOtherGraduated 2013

Enumeration DateApril 15, 2015

Last NPPES UpdateMay 19, 20265 updates tracked since enumeration

NPPES CertifiedMay 19, 2026

✔ NPI 1417343559 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207LP2900X

License✔ Licensed in MS · 33695

Definition

An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.

Also ListedPain Medicine · Interventional Pain MedicineTaxonomy 208VP0014X · License DR.0064172 (CO)

1225 N STATE ST, Jackson, MS 39202

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Alabama.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Dennis Ryan Marcelo M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1355657693

PECOS Enrollment IDI20240909004424

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Dennis Marcelo reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Perioperative Services Of Mississippi, LLC

1.3 mi

Anesthesiology

234 E CAPITOL ST
Jackson, MS 39201

Reassigned Medicare billing, Mississippi enrollment
187 clinicians in this Medicare group

NPI 1881123123 (601) 371-2802

Flowood Pain Center, LLC

5.2 mi

Pain Medicine

120 STONE CREEK BLVD STE 500
Flowood, MS 39232

Reassigned Medicare billing, Mississippi enrollment
29 clinicians in this Medicare group

NPI 1356848014 (601) 420-2040

Independent Healthcare Management, Inc.

31 mi

Rural Health

347 S 4TH ST
Morton, MS 39117

Reassigned Medicare billing, Mississippi enrollment
94 clinicians in this Medicare group

NPI 1952694994 (601) 732-1524

King's Daughters Medical Center

53 mi

General Acute Care Hospital

427 HIGHWAY 51 N
Brookhaven, MS 39601

Reassigned Medicare billing, Mississippi enrollment
Medicare enrollment name: Kings Daughters Medical Center
153 clinicians in this Medicare group

NPI 1972503464 (601) 833-6011

Kdmc Physician Clinics LLC

54 mi

Multi-Specialty

950 BROOKWAY BLVD
Brookhaven, MS 39601

Reassigned Medicare billing, Mississippi enrollment
49 clinicians in this Medicare group

NPI 1861739161 (601) 823-5103

Panola Physician Group, LLC

138 mi

Family Medicine

255 MEDICAL CENTER DRIVE
Batesville, MS 38606

Reassigned Medicare billing, Mississippi enrollment
113 clinicians in this Medicare group

NPI 1528528874 (662) 563-5611

Colorado Springs Interventional Pain Management PC

937 mi

Pain Medicine

3030 N CIRCLE DR, 210
Colorado Springs, CO 80909

Reassigned Medicare billing, Colorado enrollment
3 clinicians in this Medicare group

NPI 1215097175 (719) 228-9440

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 26

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

1,951 services193 patients

Injection, dexamethasone sodium phosphate, 1 mg J1100

Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.

763 services38 patients

Injection, propofol, 10 mg J2704

Propofol is a medication given via injection to help you relax or sleep during surgery or other medical procedures. The 10 mg dosage refers to the amount of medication you'll receive. It's administered by a healthcare professional and monitored closely for safety.

631 services103 patients

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

276 services196 patients

Injection, midazolam hydrochloride, per 1 mg J2250

Midazolam hydrochloride is a medication injected to help you relax or sleep before surgery or certain medical procedures. It works by calming the brain and nerves. It's given in small doses, measured in milligrams (mg).

256 services98 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

151 services111 patients

Injection of substance into lower spine canal using imaging guidance 62323

This procedure involves injecting a substance into your lower spine canal, guided by real-time images. It's done to diagnose or treat various conditions. You may feel slight discomfort, but it's generally safe and can provide valuable information for your treatment plan.

139 services109 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

70 services63 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

66 services66 patients

Injection of lower or sacral spine facet joint using imaging guidance, single level 64493

This procedure involves injecting medication into the facet joint in your lower back or sacral spine. It's done under imaging guidance to ensure accuracy. The aim is to alleviate pain and inflammation. It's a safe, often effective method for managing spinal discomfort.

56 services42 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

54 services49 patients

Injection of anesthetic or steroid into joint between lower spine and hip bone using imaging guidance 27096

This procedure involves injecting medicine into the joint where your lower spine meets your hip bone. Using special imaging technology, the doctor ensures the medicine is delivered accurately. This can help reduce pain and inflammation in that area.

40 services36 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level 64483

This procedure involves injecting a mix of numbing and anti-inflammatory medication into a specific nerve root in the lower back. It helps manage pain and reduce inflammation. The process is guided by imaging technology for precision.

40 services38 patients

Injection of lower or sacral spine facet joint using imaging guidance, second level 64494

This procedure involves injecting medication into the facet joints of your lower or sacral spine to manage pain. Imaging guidance ensures accurate placement. It's the second level, meaning it's done on two different joint levels.

40 services29 patients

Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint 64635

This procedure involves using imaging guidance to accurately target and destroy nerves in the lower or sacral spinal facet joint. It's done to relieve chronic back pain. The process is safe and usually effective.

33 services33 patients

Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, each additional level 64484

This procedure involves injecting an anesthetic or steroid drug into the sacral spine nerve root. It's done under imaging guidance to ensure accuracy. The process can be repeated for each additional level of the spine to help manage pain or inflammation.

29 services28 patients

Injection of substance into middle or upper spine canal using imaging guidance 62321

This procedure involves injecting a substance into your middle or upper spine canal. It's performed under imaging guidance to ensure accuracy. The substance can help diagnose or treat various conditions, providing relief from symptoms.

28 services23 patients

Destruction of lower or sacral spinal facet joint nerves using imaging guidance, each additional facet joint 64636

This procedure involves using imaging technology to locate and treat nerves in your lower spine or sacral area that may be causing pain. Each additional facet joint refers to treating more than one spinal nerve. It's a non-invasive way to manage chronic back pain.

28 services28 patients

Injection of upper or middle spine facet joint using imaging guidance, single level 64490

This procedure involves injecting medication into a joint in your upper or middle spine. It's performed under imaging guidance for precision. The aim is to reduce inflammation and pain. It's a single-level process, meaning one joint is treated at a time.

26 services16 patients

Injection of upper or middle spine facet joint using imaging guidance, second level 64491

This procedure involves injecting medication into the upper or middle spine facet joint, a small joint in your back. This is done under imaging guidance for precision. It's a second-level procedure, meaning it's done on two separate joints. It can help reduce pain and inflammation.

24 services15 patients

Injection, hydromorphone, up to 4 mg J1170

Hydromorphone injection is a pain relief medication administered through an injection, up to 4 mg. It works by altering the body's response to pain, providing comfort and relief. It's important to follow your healthcare provider's instructions for use.

21 services21 patients

Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml Q9966

Low osmolar contrast material with 200-299 mg/ml iodine concentration is a type of dye used in certain medical tests like CT scans or X-rays. It helps to highlight specific areas in your body, making them easier to see and examine. It's safe and commonly used.

19 services13 patients

Injection, fentanyl citrate, 0.1 mg J3010

Fentanyl citrate is a potent pain medication administered via injection. The 0.1 mg dosage is used to manage severe pain conditions. It works by blocking pain signals to the brain. It's crucial to follow the dosage instructions to prevent potential side effects.

17 services17 patients

Destruction of upper or middle spinal facet joint nerves using imaging guidance, single facet joint 64633

This procedure involves the use of imaging technology to guide a needle to the nerves of a single facet joint in the upper or middle spine. The nerves are then treated to alleviate pain and improve mobility.

16 services16 patients

Destruction of upper or middle spinal facet joint nerves using imaging guidance, each additional facet joint 64634

This procedure involves the use of imaging technology to accurately target and destroy nerves in the upper or middle spinal facet joints, which may be causing pain. Each additional facet joint treated follows the same process.

16 services16 patients

Unclassified drugs J3490

Unclassified drugs are medications that don't fit into an existing category or class due to their unique properties or uses. They may be used for various conditions and their effects may differ widely. Always ask your healthcare provider for more information about these drugs.

11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mississippi Baptist Medical Center

Acute Care Hospitals · Jackson, MS

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number250102

Location1225 N State StJackson, MS 39202 · Hinds County

Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.04/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

96.08

Improvement Activities

Reported Quality Measures

Advance Care Plan

100%333 patients5/55-star benchmark: 100%

Breast Cancer Screening

91%242 patients4/55-star benchmark: 100%

Colorectal Cancer Screening

83%493 patients4/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

100%711 patients5/55-star benchmark: 100%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

92%991 patients4/55-star benchmark: 100%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 99% · 275 patients

Patients screened: 100% · 275 patients

93%27 patients4/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HADEN DAVIS

Registered Nurse