DR. DIANA M BREYER M.D.
NPI 1023088945
Internal Medicine - Pulmonary Disease in Fort Collins, CO

Active since January 24, 2006PECOS EnrolledAccepts Medicare Assignment
97.58/100
CMS Quality Rating
2121 E HARMONY RD, SUITE 300, FORT COLLINS, CO 80528(970) 224-9102(970) 224-9112 Get Directions Write a Review

NPPES record last updated: August 16, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Diana M Breyer M.d. NPPES

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

DR. DIANA M BREYER M.D. (NPI 1023088945) is an individual pulmonary disease provider in Fort Collins, Colorado, licensed in Colorado (DR.0037818) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS and is a graduate of Saint Louis University School Of Medicine (1993).

NPPES Registry Identity

NPI1023088945
Entity TypeIndividualFemale
Primary Taxonomy207RP1001X
Provider Legal NameDR. DIANA M BREYERCredential: M.D.
Location Address2121 E HARMONY RD, SUITE 300Fort Collins, CO 80528-3400
Mailing Address2121 E Harmony Rd, Suite 300Fort Collins, CO 80528-3400 · (970) 224-9102 · Fax (970) 224-9112
Fax(970) 224-9112
Sole ProprietorNo
Medical School CMSSaint Louis University School Of MedicineGraduated 1993
Enumeration DateJanuary 24, 2006
Last NPPES UpdateAugust 16, 2016
NPI 1023088945 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License Licensed in CO · DR.0037818
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal MedicineTaxonomy 207R00000X · License DR.0037818 (CO)
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License DR.0037818 (CO)
2121 E HARMONY RD, Fort Collins, CO 80528

Other Names 1

Former Name (1)Diana Mahurin

Other Identifiers 6

Medicare UPING49722CO
Medicaid114261500WY
Medicare PIN268240YLB8CO
Medicare PINC61268CO
Other290012386CO · Railroad Medicare
Medicaid17584281CO

Accepted Insurance

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

Dr. Diana M Breyer M.d. 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 ID2264492685
PECOS Enrollment IDI20051109000553
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 3

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
32 services19 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
31 services17 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
23 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80528 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
$132.55 typical visit price
range $58.06 – $174.82
Typical copayment $33.13 (range $14.51 – $43.70)
Most-billed visit code 99204
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.

97.58/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.53
Promoting Interoperability100
Improvement Activities40

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.

Family Medicine
2121 E HARMONY RD, SUITE 370
FORT COLLINS, CO 80528
Audiologist
2121 E HARMONY RD
FORT COLLINS, CO 80528
Genetic Counselor, MS
2121 E HARMONY RD
FORT COLLINS, CO 80528
Internal Medicine (Cardiovascular Disease)
2121 E HARMONY RD, STE 100
FORT COLLINS, CO 80528
Physician Assistant (Medical)
2121 E HARMONY RD, SUITE 300
FORT COLLINS, CO 80528
Physician Assistant
2121 E HARMONY RD, SUITE 310
FORT COLLINS, CO 80528
Surgery
2121 E HARMONY RD, STE 330
FORT COLLINS, CO 80528
Orthopaedic Surgery (Hand Surgery)
2121 E HARMONY RD, UNIT 260
FORT COLLINS, CO 80528

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 Diana Breyer's NPI number?

The NPI number for Diana Breyer is 1023088945. It was assigned to this individual provider in the NPPES registry on January 24, 2006. The provider is also known as Diana Mahurin.

Where is Diana Breyer located?

Diana Breyer practices at 2121 E Harmony Rd Suite 300, Fort Collins, CO 80528. The listed phone number is (970) 224-9102.

What is Diana Breyer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Diana Breyer enrolled in Medicare?

Yes. Diana Breyer 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.

What insurance does Diana Breyer accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health and Ambetter from Sunflower Health Plan list Diana Breyer 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 Diana Breyer was last updated on August 16, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.