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DR. AARON ROBERT BLOCK M.D., M.P.H.
NPI 1437578762
Family Medicine in Castle Rock, CO

Active since April 15, 2014PECOS Enrolled
4350 LIMELIGHT AVE UNIT 200, CASTLE ROCK, CO 80109(303) 970-8190 Get Directions Write a Review

NPPES record last updated: August 6, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 6, 2024, May 1, 2024, Mar 22, 2019 and 2 more (5 updates tracked since 2017).

About Dr. Aaron Robert Block M.d., M.p.h. NPPES

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

DR. AARON ROBERT BLOCK M.D., M.P.H. (NPI 1437578762) is an individual family medicine provider in Castle Rock, Colorado, licensed in Colorado (DR.0067691) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS and is a graduate of University Of South Florida College Of Medicine (2014).

NPPES Registry Identity

NPI1437578762
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. AARON ROBERT BLOCKCredential: M.D., M.P.H.
Location Address4350 LIMELIGHT AVE UNIT 200Castle Rock, CO 80109-8034
Mailing Address4350 Limelight Ave Unit 200Castle Rock, CO 80109-8034 · (303) 970-8190
Phone(303) 970-8190
Sole ProprietorYes
Medical School CMSUniversity Of South Florida College Of MedicineGraduated 2014
Enumeration DateApril 15, 2014
Last NPPES UpdateAugust 6, 20245 updates tracked since enumeration
NPPES CertifiedAugust 6, 2024
✔ NPI 1437578762 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in CO · DR.0067691✔ Licensed in OH · 35.128986
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
4350 LIMELIGHT AVE UNIT 200, Castle Rock, CO 80109
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Aaron Robert Block M.d., M.p.h. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9032431333
PECOS Enrollment IDI20220526001140
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

3

Medicare enrollment records show Aaron Block reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cardiowell 360
Same address
Multi-Specialty
4350 LIMELIGHT AVE UNIT 200
Castle Rock, CO 80109
  • Reassigned Medicare billing, Colorado enrollment
NPI 1023987906 (303) 970-8190
Optumcare Colorado Medical Group, LLC
21 mi
Family Medicine
550 W HIGHWAY 105
Monument, CO 80132
  • Reassigned Medicare billing, Colorado enrollment
  • 314 clinicians in this Medicare group
NPI 1215568597 (719) 488-9860
Mvhe Inc
1,088 mi
Internal Medicine
5971 GOLF CLUB LN
Hamilton, OH 45011
  • Reassigned Medicare billing, Ohio enrollment
  • 744 clinicians in this Medicare group
NPI 1174631725 (513) 785-4339

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 7

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 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.
111 services106 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.
31 services31 patients
Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
23 services22 patients
Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19) and influenza virus types a and b 87636
This test detects the presence of SARS-CoV-2 (COVID-19) and Influenza types A and B in your body. It uses a method called the multiplex amplified probe technique to amplify and identify specific virus genes. It helps in early diagnosis and appropriate treatment.
19 services19 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
16 services16 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80109 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
$89.43 typical visit price
range $58.06 – $174.82
Typical copayment $22.35 (range $14.51 – $43.70)
Most-billed visit code 99203
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.

Reported Quality Measures

Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
49%49 patients2/55-star benchmark: 100%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
82%56 patients4/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
64%77 patients3/55-star benchmark: 100%
Screening for Osteoporosis for Women Aged 65-85 Years of Age
Percentage of female patients aged 65-85 years of age who ever had a central dual-energy X-ray absorptiometry (DXA) to check for osteoporosis
52%21 patients3/55-star benchmark: 98%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

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

CARDIOWELL 360
Clinic/Center (Multi-Specialty)
4350 LIMELIGHT AVE UNIT 200
CASTLE ROCK, CO 80109
Douglas County (303) 970-8190

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 Aaron Block's NPI number?

The NPI number for Aaron Block is 1437578762. It was assigned to this individual provider in the NPPES registry on April 15, 2014.

Where is Aaron Block located?

Aaron Block practices at 4350 Limelight Ave Unit 200, Castle Rock, CO 80109. The listed phone number is (303) 970-8190.

What is Aaron Block's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Aaron Block enrolled in Medicare?

Yes. Aaron Block is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Aaron Block's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Block reassigns Medicare benefits to 3 organizations: Cardiowell 360 (Castle Rock, CO), Optumcare Colorado Medical Group, LLC (Monument, CO) and Mvhe Inc (Hamilton, OH). 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 Aaron Block's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Aaron Block was last updated on August 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.