DR. VALERIE KIM NELSON-MASON MD
NPI 1316986508
Obstetrics & Gynecology in Saint Charles, MO

Active since June 05, 2006PECOS EnrolledAccepts Medicare Assignment
330 1ST CAPITOL DR, SUITE 340, SAINT CHARLES, MO 63301(636) 255-3003(636) 925-0954 Get Directions Write a Review

NPPES record last updated: October 9, 2014. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Valerie Kim Nelson-mason Md NPPES

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

DR. VALERIE KIM NELSON-MASON MD (NPI 1316986508) is an individual obstetrics & gynecology provider in Saint Charles, Missouri, licensed in Missouri (2005000368) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (1995).

NPPES Registry Identity

NPI1316986508
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. VALERIE KIM NELSON-MASONCredential: MD
Location Address330 1ST CAPITOL DR, SUITE 340Saint Charles, MO 63301-2835
Mailing Address330 1st Capitol Dr, Suite 340Saint Charles, MO 63301-2835 · (636) 255-3003 · Fax (636) 925-0954
Fax(636) 925-0954
Sole ProprietorYes
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 1995
Enumeration DateJune 5, 2006
Last NPPES UpdateOctober 9, 2014
NPI 1316986508 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License Licensed in MO · 2005000368
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.
330 1ST CAPITOL DR, Saint Charles, MO 63301

Other Identifiers 1

Medicare UPING95982MO

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. Valerie Kim Nelson-mason Md 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 ID1557391794
PECOS Enrollment IDI20050817000231
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63301 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
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 11

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

Ophthalmology
330 1ST CAPITOL DR, SUITE 330
SAINT CHARLES, MO 63301
Psychiatry & Neurology (Psychiatry)
330 1ST CAPITOL DR, STE 390
SAINT CHARLES, MO 63301
Psychiatry & Neurology (Psychiatry)
330 1ST CAPITOL DR, STE 390
SAINT CHARLES, MO 63301
Ophthalmology
330 1ST CAPITOL DR, SUITE 330
SAINT CHARLES, MO 63301
Family Medicine
330 1ST CAPITOL DR, SUITE 260
SAINT CHARLES, MO 63301
Ophthalmology
330 1ST CAPITOL DR, SUITE 330
SAINT CHARLES, MO 63301
Counselor (Professional)
330 1ST CAPITOL DR
SAINT CHARLES, MO 63301
Podiatrist (Foot & Ankle Surgery)
330 1ST CAPITOL DR, SUITE 310
SAINT CHARLES, MO 63301

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 Valerie Nelson-mason's NPI number?

The NPI number for Valerie Nelson-mason is 1316986508. It was assigned to this individual provider in the NPPES registry on June 5, 2006.

Where is Valerie Nelson-mason located?

Valerie Nelson-mason practices at 330 1st Capitol Dr Suite 340, Saint Charles, MO 63301. The listed phone number is (636) 255-3003.

What is Valerie Nelson-mason's specialty?

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

Is Valerie Nelson-mason enrolled in Medicare?

Yes. Valerie Nelson-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.

When was this NPI record last updated?

The NPPES record for Valerie Nelson-mason was last updated on October 9, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.