Provider Profile
Colleen Diferdinando, APN
Unclaimed ProfileAbout Colleen Diferdinando
Listed in the NPI registry as a nurse practitioner — family, Colleen Diferdinando, APN practices in Denver, CO. Medicare claims data shows Colleen provided 467 services to 316 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (866) 849-0692
- Email not available
Practice Locations
8354 E NORTHFIELD BLVD STE 3700
Denver, CO 80238
13700 Colorado Blvd
Thornton, CO 80602
Conditions and Services Within This Provider's Scope
Within Nurse Practitioner - Family generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Allergies
Allergy & skin
Blood disorders
Bone & joint
Dermatology
Digestive
Digestive health
Eye conditions
Heart health
Hormones & endocrine
Infections
Men's health
Mental health
Metabolic & weight
Nerve & joint
Nerve & spine
Neurological
Pain
Pain & spine
Pediatric infections
Respiratory
Skin
Sleep
Urinary health
Women's health
Procedures & services
Most searched procedures
Allergies
Chronic condition care
- Chronic disease management visit
- Diabetic Foot Care
Dermatology
- Cryotherapy for skin spots
Diagnostic screening
- Bone density scan ordering
- Colon cancer screening ordering
- Mammogram ordering
Diagnostic tests
Ear, nose & throat
Heart health
Hormones & endocrine
Injections
Injury care
- Sprain and Strain Care
Lab tests
- Cholesterol screening
- COVID-19 testing
- Hemoglobin A1c Test
- Rapid strep testing
- Thyroid Blood Test
- Urine Drug Screen
Lifestyle counseling
Mental health
- Mental Health Evaluation
Minor procedures
- Burn and Wound Care
- Incision and drainage of an abscess
- Ingrown toenail removal
- Superficial foreign-body removal
Minor surgery
Neurological care
Occupational health
Pain management
Physical exams
Prescriptions
- Prescription Refill
Preventative care
Preventative exams
Respiratory care
Screenings
Sexual health
- PrEP consultation
- STD Swabs and Screening
Skin procedures
Sleep
- At-Home Sleep Study Ordering
Urgent care
Weight management
Women's health
- Birth control counseling
- Contraceptive implant insertion and removal
- IUD insertion and removal
- Pap smear
- Pregnancy Confirmation Test
- Well-woman exam
Procedures Most Often Billed to Medicare
467 services · 316 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
12 | Less often than most peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
179 | More often than most peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
104 | More often than most peers in Nurse Practitioner, Family |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
60 | More often than most peers in Nurse Practitioner, Family |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
52 | As often as other peers in Nurse Practitioner, Family |
| Urinalysis, manual test | Lab test | 81002 |
35 | More often than most peers in Nurse Practitioner, Family |
| Administration of influenza virus vaccine | Billing code | G0008 |
13 | Less often than most peers in Nurse Practitioner, Family |
| Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza | Lab test | 87428 |
12 | Less often than most peers in Nurse Practitioner, Family |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other nurse practitioners in Denver 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2019 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Influenza vaccine split virus, preservative free 8
Providers in CO who bill this service to Medicare most often.
Common questions
What does Colleen Diferdinando specialize in?
Colleen Diferdinando is a nurse practitioner in Denver, CO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Where is Colleen Diferdinando located?
Colleen Diferdinando is listed at 8354 E Northfield Blvd Ste 3700, Denver, CO 80238. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Colleen Diferdinando's phone number?
The number on file is (866) 849-0692. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Colleen Diferdinando?
Colleen Diferdinando's National Provider Identifier is 1558946533. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Colleen Diferdinando train?
Colleen Diferdinando attended Other, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Colleen Diferdinando have?
Colleen Diferdinando has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
What does Colleen Diferdinando do most often?
According to Medicare billing data, Colleen Diferdinando provides treatments such as influenza vaccine split virus, preservative free, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Colleen Diferdinando's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Colleen Diferdinando. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.