MR. RICKY D GRISSON II M.D.
NPI 1093910606
Pathology - Clinical Pathology/Laboratory Medicine in Providence, RI

Q: What is Ricky Grisson's NPI number?

The NPI number for Ricky Grisson is 1093910606. It was assigned to this individual provider in the NPPES registry on June 15, 2007.

Q: What is Ricky Grisson's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.

Q: When was this NPI record last updated?

The NPPES record for Ricky Grisson was last updated on October 7, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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 June 15, 2007PECOS Enrolled

117 ELLENFIELD ST STE 101, PROVIDENCE, RI 02905(401) 444-6779 Get Directions Write a Review

NPPES record last updated: October 7, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Mr. Ricky D Grisson Ii M.d. NPPES

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

MR. RICKY D GRISSON II M.D. (NPI 1093910606) is an individual clinical pathology/laboratory medicine provider in Providence, Rhode Island, licensed in Rhode Island (MD15414) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (2007).

NPPES Registry Identity

NPI1093910606

Entity TypeIndividualMale

Primary Taxonomy207ZP0105X

Provider Legal NameMR. RICKY D GRISSON IICredential: M.D.

Location Address117 ELLENFIELD ST STE 101Providence, RI 02905-4541

Mailing AddressMassachusetts General Hospital, 55 Fruit StreetBoston, MA 02114 · (617) 726-2967

Phone(401) 444-6779

Sole ProprietorNo

Medical School CMSHarvard Medical SchoolGraduated 2007

Enumeration DateJune 15, 2007

Last NPPES UpdateOctober 7, 2020

NPPES CertifiedOctober 7, 2020

✔ NPI 1093910606 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPathology · Clinical Pathology/Laboratory MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0105X

Licenses✔ Licensed in RI · MD15414✔ Licensed in CA · A121170

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

Also ListedPathology · Anatomic Pathology & Clinical PathologyTaxonomy 207ZP0102X · License L-232504 (MA)

117 ELLENFIELD ST STE 101, Providence, RI 02905

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of Tennessee, Cigna Healthcare, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Ricky D Grisson Ii M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7911288253

PECOS Enrollment IDI20260521004263

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 Ricky Grisson reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Rhode Island Hospital

1.3 mi

Multi-Specialty

593 EDDY ST
Providence, RI 02903

Reassigned Medicare billing, Rhode Island enrollment
358 clinicians in this Medicare group

NPI 1154537520 (401) 444-6905

The Miriam Hospital

4.0 mi

Multi-Specialty

164 SUMMIT AVE
Providence, RI 02906

Reassigned Medicare billing, Rhode Island enrollment
93 clinicians in this Medicare group

NPI 1598978744 (401) 444-5640

Newport Hospital

21 mi

Obstetrics & Gynecology

11 FRIENDSHIP ST
Newport, RI 02840

Reassigned Medicare billing, Rhode Island enrollment
72 clinicians in this Medicare group

NPI 1063632180 (401) 444-6905

Meharry Medical College

914 mi

Clinic/Center

1005 DR. D. B. TODD BLVD
Nashville, TN 37208

Reassigned Medicare billing, Tennessee enrollment
118 clinicians in this Medicare group

NPI 1205859279 (615) 327-5592

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 4

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.

Immunologic analysis technique on serum (immunofixation) 86334

Immunofixation is a lab test that helps identify proteins called immunoglobulins in your blood serum. These proteins are part of your immune system. Changes in their levels can indicate certain diseases. The test is simple and only requires a blood sample.

528 services438 patients

Protein measurement, serum 84165

A serum protein measurement is a blood test that determines the levels of proteins in your blood. It is used to evaluate your overall health, and diagnose nutritional problems, kidney disease, liver disease, or immune disorders.

504 services399 patients

Protein measurement, body fluid 84166

A protein measurement of body fluid is a test that gauges the amount of proteins in your fluids. This analysis helps in detecting various health conditions. It's done via a simple sample collection process, usually from blood or urine, in a safe and painless manner.

25 services25 patients

Immunologic analysis technique on body fluid, other fluids with concentration 86335

Immunologic analysis is a diagnostic method that assesses your body fluids to detect health issues. It involves concentrating these fluids to enhance detection of specific proteins or cells. It helps identify immune system responses, aiding in accurate diagnosis and treatment.

24 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02905 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$134.17 typical visit price

range $58.57 – $177.03

Typical copayment $33.54 (range $14.64 – $44.25)

Most-billed visit code 99204

Established Patient

$103.10 typical visit price

range $18.92 – $144.38

Typical copayment $25.77 (range $4.73 – $36.09)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ricky Grisson's NPI number?

The NPI number for Ricky Grisson is 1093910606. It was assigned to this individual provider in the NPPES registry on June 15, 2007.

Where is Ricky Grisson located?

Ricky Grisson practices at 117 Ellenfield St Ste 101, Providence, RI 02905. The listed phone number is (401) 444-6779.

What is Ricky Grisson's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.

Is Ricky Grisson enrolled in Medicare?

Yes. Ricky Grisson is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ricky Grisson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ricky Grisson reassigns Medicare benefits to 4 organizations: Rhode Island Hospital (Providence, RI), The Miriam Hospital (Providence, RI), Newport Hospital (Newport, RI) and Meharry Medical College (Nashville, TN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ricky Grisson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ricky Grisson accept?

Health plans from BlueCross BlueShield of Tennessee, Cigna Healthcare and Oscar Insurance Company list Ricky Grisson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ricky Grisson was last updated on October 7, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.