DR. GEOFFREY ALLAN BLOCK MD
NPI 1861474140
Internal Medicine - Nephrology in Lone Tree, CO

Q: What is Geoffrey Block's NPI number?

The NPI number for Geoffrey Block is 1861474140. It was assigned to this individual provider in the NPPES registry on November 14, 2005.

Q: What is Geoffrey Block's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Geoffrey Block was last updated on April 22, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 November 14, 2005PECOS EnrolledAccepts Medicare Assignment

9777 S YOSEMITE ST STE 110, LONE TREE, CO 80124(720) 696-0852(720) 696-0892 Get Directions Write a Review

NPPES record last updated: April 22, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 22, 2022, Apr 16, 2020 (2 updates tracked since 2020).

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About Dr. Geoffrey Allan Block Md NPPES

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

DR. GEOFFREY ALLAN BLOCK MD (NPI 1861474140) is an individual nephrology provider in Lone Tree, Colorado, licensed in Colorado (36176) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Aurora, and is a graduate of University Of Cincinnati College Of Medicine (1991).

NPPES Registry Identity

NPI1861474140

Entity TypeIndividualMale

Primary Taxonomy207RN0300X

Provider Legal NameDR. GEOFFREY ALLAN BLOCKCredential: MD

Location Address9777 S YOSEMITE ST STE 110Lone Tree, CO 80124-3115

Mailing Address9777 S Yosemite St Ste 110Lone Tree, CO 80124-3115 · (720) 696-0852 · Fax (720) 696-0892

Phone(720) 696-0852

Fax(720) 696-0892

Sole ProprietorNo

Medical School CMSUniversity Of Cincinnati College Of MedicineGraduated 1991

Enumeration DateNovember 14, 2005

Last NPPES UpdateApril 22, 20222 updates tracked since enumeration

NPPES CertifiedApril 22, 2022

✔ NPI 1861474140 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in CO · 36176

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

9777 S YOSEMITE ST STE 110, Lone Tree, CO 80124

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Secondary Practice Location 1

Location 11444 S Potomac St Ste 215Aurora, CO 80012-4533 · Phone (720) 500-3439 · Fax (855) 712-9183

Other Identifiers 1

Medicaid01361765CO

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Geoffrey Allan Block Md 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 ID7911819784

PECOS Enrollment IDI20101123000038

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80124 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

$132.55 typical visit price

range $58.06 – $174.82

Typical copayment $33.13 (range $14.51 – $43.70)

Most-billed visit code 99204

Established Patient

$102.03 typical visit price

range $18.88 – $142.79

Typical copayment $25.50 (range $4.72 – $35.69)

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.

Other Providers at the Same Location NPPES 11

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

DR. MICHAEL ALAN ROCKLIN M.D.

Internal Medicine (Nephrology)