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DOROTHEA LORELL ERWIN NP
NPI 1497100630
Advanced Practice Midwife in Thornton, CO

Active since April 25, 2016PECOS EnrolledAccepts Medicare Assignment
8990 WASHINGTON ST, THORNTON, CO 80229(720) 929-1655(720) 565-4129 Get Directions Write a Review

NPPES record last updated: April 7, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 7, 2025, Aug 22, 2023, May 17, 2021 and 1 more (4 updates tracked since 2020).

About Dorothea Lorell Erwin Np NPPES

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

DOROTHEA LORELL ERWIN NP (NPI 1497100630) is an individual advanced practice midwife in Thornton, Colorado, licensed in Colorado (APN.0995351-CNM) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1497100630
Entity TypeIndividualFemale
Primary Taxonomy367A00000X
Provider Legal NameDOROTHEA LORELL ERWINCredential: NP
Location Address8990 WASHINGTON STThornton, CO 80229-4537
Mailing Address1735 S Public Rd Ste 203Lafayette, CO 80026-7093 · (303) 665-3036 · Fax (303) 665-3397
Phone(720) 929-1655
Fax(720) 565-4129
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateApril 25, 2016
Last NPPES UpdateApril 7, 20254 updates tracked since enumeration
NPPES CertifiedApril 7, 2025
✔ NPI 1497100630 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAdvanced Practice MidwifePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367A00000X
License✔ Licensed in CO · APN.0995351-CNM
Definition
Advanced practice midwifery encompasses the independent provision of care during pregnancy, childbirth, and the postpartum period; sexual and reproductive health; gynecologic health; and family planning services, including preconception care. Midwives also provide primary care for individuals from adolescence throughout the lifespan as well as care for the healthy newborn during the first 28 days of life. Midwives provide initial and ongoing comprehensive assessment, diagnosis, and treatment. Midwifery care includes health promotion, disease prevention, risk assessment and management, and individualized wellness education and counseling. Source: American College of Nurse-Midwives, www.midwife.org Additional Resources: See the American College of Nurse-Midwives, www.midwife.org, for more information on Certified Nurse-Midwives, Certified Midwives, the American Midwifery Certification Board (AMCB), and licensure.
Also ListedNurse PractitionerTaxonomy 363L00000X · License APN.0992229-NP (CO)
8990 WASHINGTON ST, Thornton, CO 80229
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Secondary Practice Locations 2

Location 180 Health Park Dr Ste 270Louisville, CO 80027-4644 · Phone (303) 649-3180 · Fax (303) 269-2790
Location 2777 Bannock StDenver, CO 80204-4597 · Phone (303) 436-4949 · Fax (303) 602-8277

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

Dorothea Lorell Erwin Np 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 ID2668761990
PECOS Enrollment IDI20231024003895
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 Dorothea Erwin reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Clinica Campesina Family Health Services
Same address
Family
8990 N WASHINGTON ST
Thornton, CO 80229
  • Reassigned Medicare billing, Colorado enrollment
  • 183 clinicians in this Medicare group
NPI 1013942234 (720) 929-1421
Portercare Adventist Health System
2.4 mi
Hospice and Palliative Medicine
2551 W 84TH AVE
Westminster, CO 80031
  • Reassigned Medicare billing, Colorado enrollment
  • 733 clinicians in this Medicare group
NPI 1326431107 (303) 561-5010
Denver Health And Hospital Authority
9.1 mi
General Practice
777 BANNOCK ST
Denver, CO 80204
  • Reassigned Medicare billing, Colorado enrollment
  • 2,259 clinicians in this Medicare group
NPI 1477569838 (303) 436-6000

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 80229 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
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
Most-billed visit code 99213
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 20

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

DIANE ASHER NP
Nurse Practitioner
8990 WASHINGTON ST
THORNTON, CO 80229
Adams County (720) 929-1655
KIMANH THI NGUYEN RDH
Dental Hygienist
8990 WASHINGTON ST
THORNTON, CO 80229
Adams County (720) 929-1655
JACOB BJORN HEINEN PA
Physician Assistant
8990 WASHINGTON ST
THORNTON, CO 80229
Adams County (720) 929-1655
GEOFFROY DESTENAVES DMD
Dentist
8990 WASHINGTON ST
THORNTON, CO 80229
Adams County (720) 929-1655
JENNIFER MANCHESTER FNP
Nurse Practitioner (Family)
8990 WASHINGTON ST
THORNTON, CO 80229
Adams County (720) 929-1655
BRENDA VERONIKA WILLIAMS LCSW
Social Worker (Clinical)
8990 WASHINGTON ST
THORNTON, CO 80229
Adams County (720) 929-1655
MICHELE CAROLINE FERREIRA MACANONI DH
Dental Hygienist
8990 WASHINGTON ST
THORNTON, CO 80229
Adams County (303) 650-4460
MARYSOL CHAVEZ MENDEZ
Counselor (Professional)
8990 WASHINGTON ST
THORNTON, CO 80229
Adams County (720) 929-1655

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 Dorothea Erwin's NPI number?

The NPI number for Dorothea Erwin is 1497100630. It was assigned to this individual provider in the NPPES registry on April 25, 2016.

Where is Dorothea Erwin located?

Dorothea Erwin practices at 8990 Washington St, Thornton, CO 80229. The listed phone number is (720) 929-1655.

What is Dorothea Erwin's specialty?

The primary specialty registered for this NPI is Advanced Practice Midwife with taxonomy code 367A00000X.

Is Dorothea Erwin enrolled in Medicare?

Yes. Dorothea Erwin 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 Dorothea Erwin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dorothea Erwin reassigns Medicare benefits to 3 organizations: Clinica Campesina Family Health Services (Thornton, CO), Portercare Adventist Health System (Westminster, CO) and Denver Health And Hospital Authority (Denver, 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 Dorothea Erwin'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 Dorothea Erwin was last updated on April 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.