NPPES file of Aug 9, 2026

Erin Bertelson, NP-C

Family Nurse Practitioner · Denver, CO

Erin Bertelson, NP-C is a family nurse practitioner with a practice address in Denver, Colorado, and NPI 1134710338, issued on Jan 29, 2021. Check the license (Colorado C-APN.0100805-C-NP, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134710338
Name
Erin Bertelson
Credential
NP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
C-APN.0100805-C-NP CO
12118625-4405 UT
317856 AZ
APRN-5489 HI
86302 NM
Self-reported in NPPES; status is on the state search
Practice location
8354 E Northfield Blvd, Denver, CO 80238
Phone
(866) 849-0692
Enumerated
Jan 29, 2021
Record last updated
Nov 10, 2025
Fax
(888) 973-8821
Medicare enrollment
Enrolled (PECOS I20250911003404); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family nurse practitioner records → All 3,492 in Colorado → Look up another NPI →

Also registered at 8354 E Northfield Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sirpierre BlanchBehavior Technician1730052234
  2. Erin Davis, M.S., BCBABehavior Analyst1013388701
  3. Georgie JasinskiBehavior Analyst1598298465
  4. Brianna Kellett, APRN, NP-CFamily Nurse Practitioner1053049403
  5. Sarah Kirsch, FNP-CFamily Nurse Practitioner1356818892
  6. Iesha LapczynskiBehavior Technician1689493629

Verify Erin Bertelson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this profession
    Search for license C-APN.0100805-C-NP    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Colorado license search

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52% fewer Medicare Part D claims than the average family nurse practitioner in 2024

620 Medicare Part D claims for 151 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Erin Bertelson620
  2. Specialty average1,305

Most prescribed

  1. Atorvastatin Calcium47 claims
  2. Levothyroxine Sodium47 claims
  3. Lisinopril31 claims
  4. Rosuvastatin Calcium24 claims
  5. Amlodipine Besylate22 claims
  6. Metoprolol Succinate22 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $31.89

2 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Erin Bertelson$31.89
  2. Specialty average$650.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Erin Bertelson among 3,492 family nurse practitioner records in Colorado

Erin Bertelson, NP-C is one of 3,492 family nurse practitioner records with a practice address in Colorado. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 66% of them.

  • NPI issued2021 · 66% of these records are older, 27% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2020 · median 2019 among the 1,950 with a school on file
  • Record last updated2025 · 37% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

484 family nurse practitioner records list a practice address in Denver

They are 484 of the 25,068 NPPES records with a practice address in Denver, and 3,492 family nurse practitioner records in Colorado.

All 3,492 in Colorado → Every provider in Denver → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Colleen Diferdinando, APNDenver, CO 802381558946533
  2. Ashley Doepker, FNP-CDenver, CO 802381942676929
  3. Jessica Eulberg, FNP-CDenver, CO 802381225576309
  4. Gary Foster, FNP-BCDenver, CO 802381770964421
  5. Adriana Garcia, NP-CDenver, CO 802381174281372
  6. Laura Heyse, FNP-BCDenver, CO 802381427641083
  7. Brianna Kellett, APRN, NP-CDenver, CO 802381053049403
  8. Sarah Kirsch, FNP-CDenver, CO 802381356818892

Common questions

What is Erin Bertelson, NP-C's NPI number?

Erin Bertelson, NP-C's National Provider Identifier (NPI) is 1134710338, issued on Jan 29, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Erin Bertelson, NP-C located?

The NPPES record lists a practice address at 8354 E Northfield Blvd, Denver, CO, 80238. Phone: (866) 849-0692. Providers update this record themselves, so call before visiting.

How can I verify Erin Bertelson, NP-C's license?

NPPES lists Colorado license number C-APN.0100805-C-NP, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does Erin Bertelson, NP-C prescribe under Medicare Part D?

In 2024, Erin Bertelson, NP-C had 620 Medicare Part D claims for 151 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.