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DR. NICHOLAS STEPHEN SHRIVER MD
NPI 1669040713
Family Medicine in Castle Rock, CO

Active since June 15, 2021PECOS EnrolledAccepts Medicare Assignment
1151 ALOHA ST STE 100, CASTLE ROCK, CO 80108(720) 330-1305(720) 452-2079 Get Directions Write a Review

NPPES record last updated: May 19, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 19, 2026, Aug 11, 2025, May 13, 2022 and 1 more (4 updates tracked since 2021).

About Dr. Nicholas Stephen Shriver Md NPPES

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

DR. NICHOLAS STEPHEN SHRIVER MD (NPI 1669040713) is an individual family medicine provider in Castle Rock, Colorado, licensed in Colorado (DR.0074825) and active in the NPI registry since June 2021. He is enrolled in Medicare PECOS and is a graduate of Texas A & M University System, Hsc, College Of Medicine (2021).

NPPES Registry Identity

NPI1669040713
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. NICHOLAS STEPHEN SHRIVERCredential: MD
Location Address1151 ALOHA ST STE 100Castle Rock, CO 80108-2833
Mailing Address1151 Aloha StCastle Rock, CO 80108-2833 · (720) 330-1305
Phone(720) 330-1305
Fax(720) 452-2079
Sole ProprietorNo
Medical School CMSTexas A & M University System, Hsc, College Of MedicineGraduated 2021
Enumeration DateJune 15, 2021
Last NPPES UpdateMay 19, 20264 updates tracked since enumeration
NPPES CertifiedMay 19, 2026
✔ NPI 1669040713 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CO · DR.0074825
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.
1151 ALOHA ST STE 100, Castle Rock, CO 80108
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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

Dr. Nicholas Stephen Shriver 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 ID2062813280
PECOS Enrollment IDI20250825003477
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

2

Medicare enrollment records show Nicholas Shriver reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Adventhealth Primary Care Rmr
Same address
Family Medicine
1151 ALOHA ST STE 100
Castle Rock, CO 80108
  • Reassigned Medicare billing, Colorado enrollment
  • 137 clinicians in this Medicare group
NPI 1225963457 (720) 330-1305
Portercare Adventist Health System
Same address
Family Medicine
1151 ALOHA ST, STE 100
Castle Rock, CO 80108
  • Reassigned Medicare billing, Colorado enrollment
  • 733 clinicians in this Medicare group
NPI 1275357576 (720) 330-1305

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80108 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.

Patient Reviews User submitted

Reviews are submitted by site visitors and approved by a human moderator before publication.

Review by Gib Poiry December 15, 2025

5/5
Dr Shriver has an excellent bedside manner. He listens and spends time with patients. He cares about helping patients.
Provider 5/5 Office Staff 5/5
Visited this provider? Share your experience.

Other Providers at the Same Location NPPES 3

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

DR. MICHAEL TAYLOR YUAN MD
Family Medicine
1151 ALOHA ST STE 100
CASTLE ROCK, CO 80108
Douglas County (720) 330-1305
ADVENTHEALTH PRIMARY CARE RMR
Family Medicine
1151 ALOHA ST STE 100
CASTLE ROCK, CO 80108
Douglas County (720) 330-1305
TERASA ALAINE PRINCE LAC, NCC
Counselor
1151 ALOHA ST STE 100
CASTLE ROCK, CO 80108
Douglas County (720) 330-1305

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 Nicholas Shriver's NPI number?

The NPI number for Nicholas Shriver is 1669040713. It was assigned to this individual provider in the NPPES registry on June 15, 2021.

Where is Nicholas Shriver located?

Nicholas Shriver practices at 1151 Aloha St Ste 100, Castle Rock, CO 80108. The listed phone number is (720) 330-1305.

What is Nicholas Shriver's specialty?

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

Is Nicholas Shriver enrolled in Medicare?

Yes. Nicholas Shriver 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 Nicholas Shriver's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Shriver reassigns Medicare benefits to 2 organizations: Adventhealth Primary Care Rmr (Castle Rock, CO) and Portercare Adventist Health System (Castle Rock, 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 Nicholas Shriver's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nicholas Shriver accept?

Health plans from Select Health list Nicholas Shriver 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 Nicholas Shriver was last updated on May 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.