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DR. ROMY E MASON M.D.
NPI 1437135712
Obstetrics & Gynecology in Denver, CO

Active since December 19, 2005PECOS EnrolledAccepts Medicare Assignment
10405 MARTIN LUTHER KING BLVD STE 110, DENVER, CO 80238(303) 393-4330(303) 322-4195 Get Directions Write a Review

NPPES record last updated: February 9, 2022. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Feb 9, 2022, Apr 21, 2021 (2 updates tracked since 2021).

About Dr. Romy E Mason M.d. NPPES

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

DR. ROMY E MASON M.D. (NPI 1437135712) is an individual obstetrics & gynecology provider in Denver, Colorado, licensed in Colorado (39841) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS and is a graduate of Albany Medical College Of Union University (1998).

NPPES Registry Identity

NPI1437135712
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. ROMY E MASONCredential: M.D.
Location Address10405 MARTIN LUTHER KING BLVD STE 110Denver, CO 80238-2399
Mailing Address10405 Martin Luther King Blvd Ste 110Denver, CO 80238-2399 · (303) 393-4330 · Fax (303) 322-4195
Phone(303) 393-4330
Fax(303) 322-4195
Sole ProprietorNo
Medical School CMSAlbany Medical College Of Union UniversityGraduated 1998
Enumeration DateDecember 19, 2005
Last NPPES UpdateFebruary 9, 20222 updates tracked since enumeration
NPPES CertifiedApril 21, 2021
✔ NPI 1437135712 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CO · 39841
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedSpecialistTaxonomy 174400000X · License 39841 (CO)
10405 MARTIN LUTHER KING BLVD STE 110, Denver, CO 80238
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Other Identifiers 2

Medicaid38485222CO
OtherP00371606CO · Railroad Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.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

Dr. Romy E Mason 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 ID4789640814
PECOS Enrollment IDI20041209000530
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 Romy Mason reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Healthone Clinic Services - Obstetrics And Gynecology LLC
5.2 mi
Obstetrics & Gynecology
1400 S POTOMAC ST STE 220
Aurora, CO 80012
  • Reassigned Medicare billing, Colorado enrollment
  • 78 clinicians in this Medicare group
NPI 1831397215 (303) 690-2198

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 80238 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
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
Most-billed visit code 99213
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 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HEALTHONE CLINIC SERVICES - OBSTETRICS AND GYNECOLOGY LLC
Obstetrics & Gynecology
10405 MARTIN LUTHER KING BLVD STE 110
DENVER, CO 80238
Denver County (303) 788-6657
LESLEY ELIZABETH MAGNUSSEN NP-C
Nurse Practitioner (Adult Health)
10405 MARTIN LUTHER KING BLVD STE 110
DENVER, CO 80238
Denver County (303) 393-4330
BRIANNA AUDREY FARLEY MD
Obstetrics & Gynecology
10405 MARTIN LUTHER KING BLVD STE 110
DENVER, CO 80238
Denver County (303) 393-4330

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 Romy Mason's NPI number?

The NPI number for Romy Mason is 1437135712. It was assigned to this individual provider in the NPPES registry on December 19, 2005.

Where is Romy Mason located?

Romy Mason practices at 10405 Martin Luther King Blvd Ste 110, Denver, CO 80238. The listed phone number is (303) 393-4330.

What is Romy Mason's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Romy Mason enrolled in Medicare?

Yes. Romy Mason 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 organization bills Medicare for Romy Mason's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Romy Mason reassigns Medicare benefits to Healthone Clinic Services - Obstetrics And Gynecology LLC (Aurora, 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 Romy Mason's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Romy Mason accept?

Health plans from UnitedHealthcare list Romy Mason 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 Romy Mason was last updated on February 9, 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.