1. Home
  2. Directory
  3. Missouri
  4. Saint Louis
  5. Nurse Practitioner
  6. NPI Profile

MS. ELLEN BLAKE KEGIN AGNP
NPI 1952169591
Nurse Practitioner - Gerontology in Saint Louis, MO

Active since March 08, 2024PECOS EnrolledAccepts Medicare Assignment
1044 N MASON RD, DIV IM GENERAL MED, STE 330, SAINT LOUIS, MO 63141(314) 996-8103(314) 996-3230 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 9, 2024, Apr 25, 2024, Mar 8, 2024 (3 updates tracked since 2024).

About Ms. Ellen Blake Kegin Agnp NPPES

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

MS. ELLEN BLAKE KEGIN AGNP (NPI 1952169591) is an individual gerontology provider in Saint Louis, Missouri, licensed in Missouri (2024007848) and active in the NPI registry since March 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1952169591
Entity TypeIndividualFemale
Primary Taxonomy363LG0600X
Provider Legal NameMS. ELLEN BLAKE KEGINCredential: AGNP
Location Address1044 N MASON RD, DIV IM GENERAL MED, STE 330Saint Louis, MO 63141-6431
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 996-8103 · Fax (314) 996-3230
Phone(314) 996-8103
Fax(314) 996-3230
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateMarch 8, 2024
Last NPPES UpdateApril 17, 20253 updates tracked since enumeration
NPPES CertifiedMarch 8, 2024
✔ NPI 1952169591 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · GerontologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LG0600X
License✔ Licensed in MO · 2024007848
1044 N MASON RD, Saint Louis, MO 63141
Open in Google Maps ↗

Other Identifiers 1

Medicaid420141659MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cox HealthPlans.Insurance ›

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

Ms. Ellen Blake Kegin Agnp 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 ID7810432382
PECOS Enrollment IDI20240709004725
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.

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
49 services44 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
20 services20 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63141 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
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
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.

DR. WILLIAM C CHAPMAN JR. MD
Colon & Rectal Surgery
1044 N MASON RD, DIV SURG COLON/RECTAL, STE 310
SAINT LOUIS, MO 63141
St. Louis County (314) 454-7177
MS. ELIZABETH BURTON WALDEN- PRATER AGNP
Nurse Practitioner
1044 N MASON RD, DIV IM GENERAL MED, STE 330
SAINT LOUIS, MO 63141
St. Louis County (314) 996-8103
MS. ALEXANDRA ELIZABETH GRAHAM PA
Physician Assistant
1044 N MASON RD, DIV IM ENDOCRINOLOGY, STE 330
SAINT LOUIS, MO 63141
St. Louis County (314) 362-3500
MS. ALICIA MARIE STORTS FNP
Nurse Practitioner (Family)
1044 N MASON RD, DEPT ORTHOPAEDIC SURGERY, STE 110/210
SAINT LOUIS, MO 63141
St. Louis County (314) 514-3500
DR. RICHARD IAN STEIN PHD
Psychologist (Clinical)
1044 N MASON RD, DIV IM GERIATRIC MED, STE 330
SAINT LOUIS, MO 63141
St. Louis County (314) 286-2080
DR. HEIDI HOPE TASTET MD
Internal Medicine
1044 N MASON RD, DIV IM GENERAL MED, STE 330
SAINT LOUIS, MO 63141
St. Louis County (314) 996-8103
MS. CARLY ROSE NOVELLY SLP
Speech-Language Pathologist
1044 N MASON RD, DEPT OTOLARYNGOLOGY, STE L20
CREVE COEUR, MO 63141
St. Louis County (314) 362-7509
DR. JAY F PICCIRILLO MD
Otolaryngology
1044 N MASON RD, DEPT OTOLARYNGOLOGY, STE L20
CREVE COEUR, MO 63141
St. Louis County (314) 362-7509

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 Ellen Kegin's NPI number?

The NPI number for Ellen Kegin is 1952169591. It was assigned to this individual provider in the NPPES registry on March 8, 2024.

Where is Ellen Kegin located?

Ellen Kegin practices at 1044 N Mason Rd Div Im General Med, Ste 330, Saint Louis, MO 63141. The listed phone number is (314) 996-8103.

What is Ellen Kegin's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.

Is Ellen Kegin enrolled in Medicare?

Yes. Ellen Kegin 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.

What insurance does Ellen Kegin accept?

Health plans from Cox HealthPlans list Ellen Kegin 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 Ellen Kegin was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.