MR. IVAN BENJAMIN GELLER (MD) – Geriatric Medicine (Internal Medicine) Physician, NPI 1003923194

MR. IVAN BENJAMIN GELLER (MD) is a healthcare provider. based in Wheat ridge, Colorado. specializing in Geriatric Medicine (Internal Medicine) Physician. They hold the professional credentials MD. They hold a License No. 25075 (CO). The NPI Number for MR. IVAN BENJAMIN GELLER (MD) is 1003923194

Main info

Male
45 Years Of Experience
Accepts Medicare Assignment
Name
MR. IVAN BENJAMIN GELLER (MD)
NPI
1003923194
Phone
(303) 742-0108
Address
3885 UPHAM ST
Enumeration Date
24 August 2006
Last Update Date
16 October 2012

Doctor Profile

Medical School Name
UNIVERSITY OF COLORADO SCHOOL OF MEDICINE, DENVER
Secondary Phone
3037420108
Graduation Year
1981 (45 years ago)
PAC ID
0648303099
Group Practice PAC ID
7517959463
Professional Enrollment ID
I20100901000585
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience57
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for MR. IVAN BENJAMIN GELLER (MD)

  • 3885, Upham Street, Wheat Ridge, Jefferson County, Colorado, 80033, United States

    100

    WHEAT RIDGE, CO 800334880

    Phone: (303) 742-0108

    Fax: (303) 742-0690

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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: 2010-09-01

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
I20100901000585IInternal MedicineCOTBD

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 80033)

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Provider's Procedures

MR. IVAN BENJAMIN GELLER (MD) performs procedures in Geriatric Medicine (Internal Medicine) Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERNAL MEDICINECO90670Pneumococcal vaccine for injection into muscle2222

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: 7517959463View full group profile

Reviews

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Frequently asked questions

What federal number belongs to MR. IVAN BENJAMIN GELLER (MD)?
The federal identifier for MR. IVAN BENJAMIN GELLER (MD) is NPI 1003923194.
Is MR. IVAN BENJAMIN GELLER (MD)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
Can you summarize MR. IVAN BENJAMIN GELLER (MD)'s specialty in plain language?
Clinically, the directory lists MR. IVAN BENJAMIN GELLER (MD) with Geriatric Medicine (Internal Medicine) Physician. Clinical services aligned with this taxonomy classification.
What location metadata exists for MR. IVAN BENJAMIN GELLER (MD)?
The page summarizes Wheat Ridge, Colorado for MR. IVAN BENJAMIN GELLER (MD); expand the address list for detail.
What if Wheat Ridge, Colorado seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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