ELIZABETH TAMAREN
NPI 1104594183
Physician Assistant - Surgical in Boulder, CO

Active since September 02, 2021PECOS EnrolledAccepts Medicare Assignment
4743 ARAPAHOE AVE STE 202, BOULDER, CO 80303(303) 938-5700(303) 998-0007 Get Directions Write a Review

NPPES record last updated: July 24, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 27, 2024, Sep 29, 2022 (2 updates tracked since 2022).

About Elizabeth Tamaren NPPES

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

ELIZABETH TAMAREN (NPI 1104594183) is an individual surgical provider in Boulder, Colorado, licensed in Colorado (PA.0007125) and active in the NPI registry since September 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Boulder, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1104594183
Entity TypeIndividualFemale
Primary Taxonomy363AS0400X
Provider Legal NameELIZABETH TAMAREN
Location Address4743 ARAPAHOE AVE STE 202Boulder, CO 80303-1128
Mailing Address3310 Folsom StBoulder, CO 80304-2404 · (314) 324-9881
Fax(303) 998-0007
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateSeptember 2, 2021
Last NPPES UpdateJuly 24, 20252 updates tracked since enumeration
NPPES CertifiedJuly 24, 2025
NPI 1104594183 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPhysician Assistant · SurgicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AS0400X
License Licensed in CO · PA.0007125
Also ListedPhysician AssistantTaxonomy 363A00000X
4743 ARAPAHOE AVE STE 202, Boulder, CO 80303

Secondary Practice Location 1

Location 14743 Arapahoe Ave Ste 100Boulder, CO 80303-1123 · Phone (303) 443-2123 · Fax (303) 443-9497

Other Identifiers 1

Medicaid9000200340CO

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

Elizabeth Tamaren 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 ID5890186423
PECOS Enrollment IDI20211215001773
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.

Areas of Expertise CMS Part B claims 4

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.
78 services54 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.
61 services44 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
36 services29 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.
19 services17 patients

Other Providers at the Same Location NPPES 12

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

Physician Assistant (Surgical)
4743 ARAPAHOE AVE STE 202
BOULDER, CO 80303
Neurological Surgery
4743 ARAPAHOE AVE STE 202
BOULDER, CO 80303
Physician Assistant
4743 ARAPAHOE AVE STE 202
BOULDER, CO 80303
Nurse Practitioner (Family)
4743 ARAPAHOE AVE STE 202
BOULDER, CO 80303
Physician Assistant
4743 ARAPAHOE AVE STE 202
BOULDER, CO 80303
Physician Assistant (Surgical)
4743 ARAPAHOE AVE STE 202
BOULDER, CO 80303
Clinic/Center (Medical Specialty)
4743 ARAPAHOE AVE STE 202
BOULDER, CO 80303
Specialist
4743 ARAPAHOE AVE STE 202
BOULDER, CO 80303

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 Elizabeth Tamaren's NPI number?

The NPI number for Elizabeth Tamaren is 1104594183. It was assigned to this individual provider in the NPPES registry on September 2, 2021.

Where is Elizabeth Tamaren located?

Elizabeth Tamaren practices at 4743 Arapahoe Ave Ste 202, Boulder, CO 80303. The listed phone number is (303) 938-5700.

What is Elizabeth Tamaren's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Is Elizabeth Tamaren enrolled in Medicare?

Yes. Elizabeth Tamaren 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.

When was this NPI record last updated?

The NPPES record for Elizabeth Tamaren was last updated on July 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.