DR. GREGORY MARCOS BELL (M.D.) – Rheumatology Physician, NPI 1083689939

DR. GREGORY MARCOS BELL (M.D.) is a healthcare provider. based in Noblesville, Indiana. specializing in RHEUMATOLOGY, INTERNAL MEDICINE. They hold the professional credentials M.D.. They hold a License No. ME0082431 (FL). The NPI Number for DR. GREGORY MARCOS BELL (M.D.) is 1083689939

Main info

Male
28 Years Of Experience
Name
DR. GREGORY MARCOS BELL (M.D.)
NPI
1083689939
Phone
(317) 574-1254
Address
17840 Cumberland Rd
Enumeration Date
22 February 2006
Last Update Date
19 March 2026

Doctor Profile

Medical School Name
INDIANA UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
-
Graduation Year
1998 (28 years ago)
PAC ID
0446236269
Group Practice PAC ID
7214840933
Professional Enrollment ID
I20150105000367
Address ID
IN462182790IN2855XAVEX402

Contacts

Secure Messaging
gbell133062@eCommunityDirect.com
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience73
Completeness95
Years active:20State licenses:2Other names

129 RHEUMATOLOGY in IN

Provider Addresses for DR. GREGORY MARCOS BELL (M.D.)

  • 17840 Cumberland Rd

    Noblesville, IN 460605409

    Phone: (317) 574-1254

    Fax: (317) 674-0060

    Type: Location

  • East Washington Street, Washington Place, Indianapolis, Indiana, 46229, United States

    INDIANAPOLIS, IN 462195533

    Phone: (317) 355-7171

    Type: Location

  • Hocker & Associates, 6626, East 75th Street, Indianapolis, Indiana, 46250, United States

    SUITE 500

    INDIANAPOLIS, IN 462502805

    Phone:

    Type: Mailing

  • 6626 E 75TH ST STE 500

    INDIANAPOLIS, IN 462502890

    Phone:

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

CMS reports 50 Open Payments records for all available years, with a total value of $862.

Total Amount is formed as General ($862) + Research ($0) + Ownership ($0) = $862.

Last reported payment date: 2024-12-16 • Largest payer in this snapshot: Janssen Biotech, Inc. ($289).

Total Amount

$862

General + Research + Ownership

Payments

50

Total payment records

General Amount

$862

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-16

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2015-01-05

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20150105000367IRheumatologyINTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
J0897Injection, denosumab, 1 mg1,32018$0
99214Established patient office or other outpatient visit, 30-39 minutes374200$0
96372Injection of drug or substance under skin or into muscle5739$0
J1040Injection, methylprednisolone acetate, 80 mg3724$0
99215Established patient office or other outpatient visit, 40-54 minutes2419$0
View full utilization report →

Insurance plans in this area (ZIP 46060)

Loading plans...

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7214840933View full group profile
NameSpecialtyState
Internal Medicine, Pediatric MedicineIN
Nurse PractitionerIN
Nurse PractitionerIN
Family PracticeIN
Nurse PractitionerIN
Certified Nurse Midwife (Cnm)IN
Pediatric MedicineIN
O B S T E T R I C S/ G Y N E C O L O G YPA
Family PracticeIN
Family PracticeIN

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What number should I use to identify DR. GREGORY MARCOS BELL (M.D.) for billing?
Administrative and clinical systems typically use NPI 1083689939 for DR. GREGORY MARCOS BELL (M.D.).
Is DR. GREGORY MARCOS BELL (M.D.)'s NPI status active today?
Active status means DR. GREGORY MARCOS BELL (M.D.)'s NPI record is not deactivated in the public file.
What services align with DR. GREGORY MARCOS BELL (M.D.)'s listing?
DR. GREGORY MARCOS BELL (M.D.)'s public classification highlights Rheumatology Physician. Clinical services aligned with this taxonomy classification.
What city is tied to DR. GREGORY MARCOS BELL (M.D.)?
The directory associates DR. GREGORY MARCOS BELL (M.D.) with Noblesville, Indiana. Check all listed addresses for suites or satellite offices.
Who maintains DR. GREGORY MARCOS BELL (M.D.)'s record?
Providers certify NPPES data; CMS hosts the public file you are viewing.

Similar Providers

355 Westfield Rd Ste 114
NPI: 1609834357

KATHLEEN M THOMAS (DO)

Rheumatology Physician
9669, East 146th Street, Noblesville, Hamilton County, Indiana, 46060, United States
NPI: 1467474031

RIVERVIEW HOSPITAL

Family Medicine Physician
Music Box Theatre, 3733, North Southport Avenue, Wrigleyville, Lake View, Lakeview, Chicago, Lake View Township, Cook County, Illinois, 60613, United States
NPI: 1609074921

Community Rheumatology

Rheumatology Physician
9669, East 146th Street, Noblesville, Hamilton County, Indiana, 46060, United States
NPI: 1154585826

ST. FRANCIS MEDICAL GROUP, LLC

Internal Medicine Physician
701 E COUNTY LINE RD STE 101
NPI: 1467693135
5540 PEBBLE VILLAGE LN STE 200
NPI: 1023370723

ALLCARE RHEUMATOLOGY, LLC

Rheumatology Physician
PO BOX 68952
NPI: 1548512213

DR. MERAL K EL RAMAHI (MD)

Rheumatology Physician
719 THOMPSON LN
NPI: 1811317746

DR. PADMINI PARAMESWARAN (MD)

Student in an Organized Health Care Education/Training Program
5540 PEBBLE VILLAGE LN STE 200
NPI: 1811341282