Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. CASMIR COSMAS MASEGA AGACNP-AG
NPI 1326775198
Nurse Practitioner in Columbia, MO

Q: What is Casmir Masega's NPI number?

The NPI number for Casmir Masega is 1326775198. It was assigned to this individual provider in the NPPES registry on August 2, 2022.

Q: What is Casmir Masega's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Casmir Masega was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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.

Active since August 02, 2022PECOS EnrolledAccepts Medicare Assignment

1 HOSPITAL DR, COLUMBIA, MO 65212(573) 882-1515(573) 884-4249 Get Directions Write a Review

NPPES record last updated: August 11, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 11, 2026, Jul 23, 2024, Aug 2, 2022 (3 updates tracked since 2022).

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About Mr. Casmir Cosmas Masega Agacnp-ag NPPES

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

MR. CASMIR COSMAS MASEGA AGACNP-AG (NPI 1326775198) is an individual nurse practitioner in Columbia, Missouri, licensed in Missouri (2026030934) and active in the NPI registry since August 2022. He is enrolled in Medicare PECOS, is affiliated with Comanche County Memorial Hospital, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1326775198

Entity TypeIndividualMale

Primary Taxonomy363L00000X

Provider Legal NameMR. CASMIR COSMAS MASEGACredential: AGACNP-AG

Location Address1 HOSPITAL DRColumbia, MO 65212-1000

Mailing AddressPo Box 843966Kansas City, MO 64184-3966 · (573) 884-3300 · Fax (573) 884-0943

Phone(573) 882-1515

Fax(573) 884-4249

Sole ProprietorYes

Medical School CMSOtherGraduated 2021

Enumeration DateAugust 2, 2022

Last NPPES UpdateAugust 11, 20263 updates tracked since enumeration

NPPES CertifiedAugust 11, 2026

✔ NPI 1326775198 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in MO · 2026030934

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedNurse Practitioner · Acute CareTaxonomy 363LA2100X · License 1080183 (TX)

Also ListedNurse Practitioner · Critical Care MedicineTaxonomy 363LC0200X · License 1080183 (TX)

1 HOSPITAL DR, Columbia, MO 65212

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.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

Mr. Casmir Cosmas Masega Agacnp-ag 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 ID7315310414

PECOS Enrollment IDI20230309002255, I20250929000581

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.

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

28 services28 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

21 services21 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

15 services14 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Comanche County Memorial Hospital

Acute Care Hospitals · Lawton, OK

1/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number370056

Location3401 West Gore BlvdLawton, OK 73505 · Comanche County

Emergency services Birthing friendly

O U Medical Center

Acute Care Hospitals · Oklahoma City, OK

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number370093

Location700 NE 13th StreetOklahoma City, OK 73104 · Oklahoma County

Emergency services Birthing friendly

Texas Health Hospital Mansfield

Acute Care Hospitals · Mansfield, TX

3/5 CMS rating

OwnershipProprietary

CMS Certification Number670309

Location2300 Lone Star RoadMansfield, TX 76063 · Tarrant County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 65212 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

$81.64 typical visit price

range $52.28 – $161.24

Typical copayment $20.41 (range $13.07 – $40.31)

Most-billed visit code 99203

Established Patient

$93.24 typical visit price

range $16.30 – $131.05

Typical copayment $23.31 (range $4.07 – $32.76)

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. RAHUL JAIN M.D.

Internal Medicine (Clinical Cardiac Electrophysiology)