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SAMI DIAB MD
NPI 1548244270
Internal Medicine - Hematology & Oncology in Aurora, CO

Active since December 06, 2005PECOS EnrolledAccepts Medicare Assignment
97.58/100
CMS Quality Rating
1700 S POTOMAC ST, AURORA, CO 80012(303) 418-7600(303) 750-3137 Get Directions Write a Review

NPPES record last updated: August 8, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 8, 2025, Apr 9, 2024, Mar 22, 2016 (3 updates tracked since 2016).

About Sami Diab Md NPPES

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

SAMI DIAB MD (NPI 1548244270) is an individual hematology & oncology provider in Aurora, Colorado, licensed in Colorado (DR.0037758) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, maintains a secondary practice location in Westminster, and is a graduate of Other (1988).

NPPES Registry Identity

NPI1548244270
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameSAMI DIABCredential: MD
Location Address1700 S POTOMAC STAurora, CO 80012-5405
Mailing Address7951 E Maplewood Ave, Suite 300Greenwood Village, CO 80111-4723 · (303) 930-7800 · Fax (303) 930-7860
Phone(303) 418-7600
Fax(303) 750-3137
Sole ProprietorNo
Medical School CMSOtherGraduated 1988
Enumeration DateDecember 6, 2005
Last NPPES UpdateAugust 8, 20253 updates tracked since enumeration
NPPES CertifiedAugust 8, 2025
✔ NPI 1548244270 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in CO · DR.0037758
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License DR.0037758 (CO)
1700 S POTOMAC ST, Aurora, CO 80012
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Secondary Practice Location 1

Location 114300 Orchard PkwyWestminster, CO 80023-9206 · Phone (720) 627-4840 · Fax (720) 627-4841

Other Identifiers 1

Medicaid77672747CO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Select Health.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

Sami Diab 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 ID2264534239
PECOS Enrollment IDI20070221000423
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

4

Medicare enrollment records show Sami Diab reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Intermountain Medical Group Denver, LLC
2.6 mi
Family Medicine
550 S AIRPORT BLVD
Aurora, CO 80017
  • Reassigned Medicare billing, Colorado enrollment
  • 1,270 clinicians in this Medicare group
NPI 1275213993 (303) 812-5350
Catholic Health Initiatives Colorado
4.1 mi
Otolaryngology
8101 E LOWRY BLVD STE 210
Denver, CO 80230
  • Reassigned Medicare billing, Colorado enrollment
  • 1,193 clinicians in this Medicare group
NPI 1821860339 (720) 321-3550
Rocky Mountain Cancer Centers LLP
6.6 mi
Hematology & Oncology
7951 E MAPLEWOOD AVE STE 350
Greenwood Village, CO 80111
  • Reassigned Medicare billing, Colorado enrollment
  • 157 clinicians in this Medicare group
NPI 1518941186 (303) 930-7800
Upper San Juan Health Service District
207 mi
Critical Access
95 S PAGOSA BLVD
Pagosa Springs, CO 81147
  • Reassigned Medicare billing, Colorado enrollment
  • Also billed through NPI 1245401561 (Colorado)
  • 56 clinicians in this Medicare group
NPI 1659523058 (970) 731-3700

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 8

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.

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.
51 services33 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
50 services36 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.
46 services37 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.
37 services27 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.
20 services15 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
17 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80012 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
$174.82 typical visit price
range $58.06 – $174.82
Typical copayment $43.70 (range $14.51 – $43.70)
Most-billed visit code 99205
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.

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.

97.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.53
Promoting Interoperability100
Improvement Activities40

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.

SUMY ANTHONY CERTIFIED NP
Nurse Practitioner
1700 S POTOMAC ST
AURORA, CO 80012
Arapahoe County (303) 418-7600
ROCKY MOUNTAIN CANCER CENTERS, LLP
Radiology (Radiation Oncology)
1700 S POTOMAC ST
AURORA, CO 80012
Arapahoe County (303) 418-7600
JODE MONIQUE VALLEJOS PA-C
Physician Assistant
1700 S POTOMAC ST
AURORA, CO 80012
Arapahoe County (303) 418-7600
AMY C. SIDORSKI N.P.
Nurse Practitioner
1700 S POTOMAC ST
AURORA, CO 80012
Arapahoe County (303) 418-7600
DOUGLAS M REZNICK MD
Internal Medicine (Hematology & Oncology)
1700 S POTOMAC ST
AURORA, CO 80012
Arapahoe County (303) 418-7600
LESLIE KANTOR LCSW
Social Worker (Clinical)
1700 S POTOMAC ST
AURORA, CO 80012
Arapahoe County (303) 418-7683
DR. SUJATHA NALLAPAREDDY MD
Internal Medicine (Hematology & Oncology)
1700 S POTOMAC ST
AURORA, CO 80012
Arapahoe County (303) 418-7600
ANH LAI-O'CONNELL LCSW
Social Worker (Clinical)
1700 S POTOMAC ST
AURORA, CO 80012
Arapahoe County (303) 418-7600

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 Sami Diab's NPI number?

The NPI number for Sami Diab is 1548244270. It was assigned to this individual provider in the NPPES registry on December 6, 2005.

Where is Sami Diab located?

Sami Diab practices at 1700 S Potomac St, Aurora, CO 80012. The listed phone number is (303) 418-7600.

What is Sami Diab's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Sami Diab enrolled in Medicare?

Yes. Sami Diab is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Sami Diab's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sami Diab reassigns Medicare benefits to 4 organizations: Intermountain Medical Group Denver, LLC (Aurora, CO), Catholic Health Initiatives Colorado (Denver, CO), Rocky Mountain Cancer Centers LLP (Greenwood Village, CO) and Upper San Juan Health Service District (Pagosa Springs, CO). 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 Sami Diab's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sami Diab accept?

Health plans from Select Health list Sami Diab 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 Sami Diab was last updated on August 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.