DIANA ANA CER DO
NPI 1225261746
Emergency Medicine in Englewood, CO

Active since September 01, 2009PECOS EnrolledAccepts Medicare Assignment
501 E HAMPDEN AVE, ENGLEWOOD, CO 80113(303) 953-5643 Get Directions Write a Review

NPPES record last updated: October 23, 2022. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 23, 2022, Mar 19, 2020, Jul 11, 2018 and 1 more (4 updates tracked since 2016).

About Diana Ana Cer Do NPPES

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

DIANA ANA CER DO (NPI 1225261746) is an individual emergency medicine provider in Englewood, Colorado, licensed in Colorado (DR.0067916) and active in the NPI registry since September 2009. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Kansas City University Of Physicians And Surgeons (2011).

NPPES Registry Identity

NPI1225261746
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameDIANA ANA CERCredential: DO
Location Address501 E HAMPDEN AVEEnglewood, CO 80113-2702
Mailing Address5600 S Quebec StGreenwood Village, CO 80111-2207 · (303) 953-5643 · Fax (303) 436-2710
Sole ProprietorYes
Medical School CMSKansas City University Of Physicians And SurgeonsGraduated 2011
Enumeration DateSeptember 1, 2009
Last NPPES UpdateOctober 23, 20224 updates tracked since enumeration
NPPES CertifiedOctober 23, 2022
✔ NPI 1225261746 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CO · DR.0067916
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedFamily MedicineTaxonomy 207Q00000X · License C2-0011001 (DE)
501 E HAMPDEN AVE, Englewood, CO 80113

Secondary Practice Locations 2

Location 1404 Fox Hunt DrBear, DE 19701-2538 · Phone (302) 652-2455 · Fax (302) 322-6251
Location 21401 Foulk Rd Ste 100BWilmington, DE 19803-2764 · Phone (302) 477-3300

Accepted 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

Diana Ana Cer Do 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 ID547493132
PECOS Enrollment IDI20221206001758
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 Diana Cer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Practice
777 BANNOCK ST
Denver, CO 80204
  • Reassigned Medicare billing, Colorado enrollment
  • 2,259 clinicians in this Medicare group
Emergency Medicine
10065 E HARVARD AVE, STE 800
Denver, CO 80231
  • Reassigned Medicare billing, Colorado enrollment
  • 219 clinicians in this Medicare group

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

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
150 services145 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
36 services34 patients
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.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80113 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.

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.

Radiology (Diagnostic Radiology)
501 E HAMPDEN AVE
ENGLEWOOD, CO 80113
Nurse Practitioner (Neonatal)
501 E HAMPDEN AVE, S 5556
ENGLEWOOD, CO 80113
Anesthesiology
501 E HAMPDEN AVE
ENGLEWOOD, CO 80113
General Practice
501 E HAMPDEN AVE
ENGLEWOOD, CO 80113
Surgery
501 E HAMPDEN AVE
ENGLEWOOD, CO 80113
Physician Assistant
501 E HAMPDEN AVE
ENGLEWOOD, CO 80113
Neurological Surgery
501 E HAMPDEN AVE
ENGLEWOOD, CO 80113
Radiology (Diagnostic Radiology)
501 E HAMPDEN AVE
ENGLEWOOD, CO 80113

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 Cer's NPI number?

The NPI number for Diana Cer is 1225261746. It was assigned to this individual provider in the NPPES registry on September 1, 2009.

Where is Diana Cer located?

Diana Cer practices at 501 E Hampden Ave, Englewood, CO 80113. The listed phone number is (303) 953-5643.

What is Diana Cer's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Diana Cer enrolled in Medicare?

Yes. Diana Cer 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 Diana Cer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Diana Cer reassigns Medicare benefits to 2 organizations: Denver Health And Hospital Authority (Denver, CO) and Carepoint Emergency Medicine, PLLC (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 Diana Cer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Diana Cer accept?

Health plans from AmeriHealth Caritas Next list Diana Cer 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 Cer was last updated on October 23, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.