DR. MELISSA M GREENFIELD SERLEN M.D.
NPI 1730164401
Pediatrics in Louisville, CO

Active since December 14, 2005PECOS Enrolled
80 HEALTH PARK DR, STE 100, LOUISVILLE, CO 80027(303) 666-2720(303) 666-2734 Get Directions Write a Review

NPPES record last updated: May 20, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Melissa M Greenfield Serlen M.d. NPPES

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

DR. MELISSA M GREENFIELD SERLEN M.D. (NPI 1730164401) is an individual pediatrics provider in Louisville, Colorado, licensed in Colorado (40608) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1730164401
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. MELISSA M GREENFIELD SERLENCredential: M.D.
Location Address80 HEALTH PARK DR, STE 100Louisville, CO 80027-9584
Mailing Address80 Health Park Dr, Ste 100Louisville, CO 80027-9584 · (303) 666-2720 · Fax (303) 666-2734
Fax(303) 666-2734
Sole ProprietorNo
Enumeration DateDecember 14, 2005
Last NPPES UpdateMay 20, 2016
✔ NPI 1730164401 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CO · 40608
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedEmergency MedicineTaxonomy 207P00000X · License 40608 (CO)
80 HEALTH PARK DR, Louisville, CO 80027

Other Identifiers 3

Medicare UPINH64748CO
Medicaid89834267CO
Medicare PIN470388CO

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Melissa M Greenfield Serlen M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Melissa Greenfield Serlen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Multi-Specialty
80 HEALTH PARK DR STE 100
Louisville, CO 80027
  • Reassigned Medicare billing, Colorado enrollment
  • Medicare enrollment name: Boulder Medical Center, PC
  • 85 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80027 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.

Physical Therapist
80 HEALTH PARK DR, SUITE 230
LOUISVILLE, CO 80027
Physical Therapist
80 HEALTH PARK DR, SUITE 230
LOUISVILLE, CO 80027
Physician Assistant
80 HEALTH PARK DR, #230
LOUISVILLE, CO 80027
Family Medicine
80 HEALTH PARK DR, SUITE 100
LOUISVILLE, CO 80027
Family Medicine
80 HEALTH PARK DR, SUITE 100
LOUISVILLE, CO 80027
Family Medicine
80 HEALTH PARK DR, SUITE 100
LOUISVILLE, CO 80027
Orthopaedic Surgery
80 HEALTH PARK DR, SUITE 230
LOUISVILLE, CO 80027
Physical Therapist (Orthopedic)
80 HEALTH PARK DR, SUITE 230
LOUISVILLE, CO 80027

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 Melissa Greenfield Serlen's NPI number?

The NPI number for Melissa Greenfield Serlen is 1730164401. It was assigned to this individual provider in the NPPES registry on December 14, 2005.

Where is Melissa Greenfield Serlen located?

Melissa Greenfield Serlen practices at 80 Health Park Dr Ste 100, Louisville, CO 80027. The listed phone number is (303) 666-2720.

What is Melissa Greenfield Serlen's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Melissa Greenfield Serlen enrolled in Medicare?

Yes. Melissa Greenfield Serlen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Melissa Greenfield Serlen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Greenfield Serlen reassigns Medicare benefits to Boulder Medical Center, P.C. (Louisville, CO). The 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 Melissa Greenfield Serlen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Melissa Greenfield Serlen accept?

Health plans from Select Health list Melissa Greenfield Serlen 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 Melissa Greenfield Serlen was last updated on May 20, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.