DR. CAROLINE E MERRITT-SCHIERMEYER DO
NPI 1598971277
Internal Medicine in Midwest City, OK

Q: What is Caroline Merritt-schiermeyer's NPI number?

The NPI number for Caroline Merritt-schiermeyer is 1598971277. It was assigned to this individual provider in the NPPES registry on May 16, 2007.

Q: What is Caroline Merritt-schiermeyer's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since May 16, 2007PECOS EnrolledAccepts Medicare Assignment

2825 PARKLAWN DR, MIDWEST CITY, OK 73110(405) 610-8056(405) 610-1879 Get Directions Write a Review

NPPES record last updated: June 20, 2025. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jun 20, 2025, Aug 4, 2022, Jul 14, 2017 and 1 more (4 updates tracked since 2016).

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About Dr. Caroline E Merritt-schiermeyer Do NPPES

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

DR. CAROLINE E MERRITT-SCHIERMEYER DO (NPI 1598971277) is an individual internal medicine provider in Midwest City, Oklahoma, licensed in Oklahoma (4213) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS, is affiliated with Ssm Health St Anthony Hospital - Oklahoma City, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1598971277

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. CAROLINE E MERRITT-SCHIERMEYERCredential: DO

Location Address2825 PARKLAWN DRMidwest City, OK 73110-4201

Mailing Address1515 Tower DrMoore, OK 73160-6181 · (405) 310-0836 · Fax (405) 758-5582

Phone(405) 610-8056

Fax(405) 610-1879

Sole ProprietorNo

Medical School CMSOtherGraduated 2003

Enumeration DateMay 16, 2007

Last NPPES UpdateJune 20, 20254 updates tracked since enumeration

NPPES CertifiedJune 20, 2025

✔ NPI 1598971277 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in OK · 4213

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

2825 PARKLAWN DR, Midwest City, OK 73110

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Secondary Practice Locations 2

Location 113401 N Western Ave Ste 200Oklahoma City, OK 73114-1410 · Phone (405) 252-3450

Location 21000 N Lee AveOklahoma City, OK 73102-1036 · Phone (405) 272-4200 · Fax (405) 272-4203

Other Identifiers 1

Medicaid200182660AOK

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and more.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. Caroline E Merritt-schiermeyer Do 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 ID3971691353

PECOS Enrollment IDI20110927000811

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 Caroline Merritt-schiermeyer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Merrittcare

Same address

Internal Medicine

2825 PARKLAWN DR
Midwest City, OK 73110

Reassigned Medicare billing, Oklahoma enrollment

NPI 1679299457 (405) 610-8056

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 7

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.

Removal of skin and tissue, 20.0 sq cm or less 11042

This procedure involves the surgical removal of skin and tissue, up to 20.0 square cm in size. It's often performed to treat conditions like skin cancer or to remove moles, warts, and other skin lesions. The area is numbed and the unwanted tissue is carefully cut out.

660 services72 patients

Removal of skin and tissue, each additional 20.0 sq cm or less 11045

This procedure involves the removal of skin and tissue, typically due to disease, injury, or abnormal growth. Each session removes an area of 20.0 square cm or less. It's performed by a trained professional and may require multiple sessions for larger areas.

343 services21 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.

60 services34 patients

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.

34 services19 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.

23 services23 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

19 services19 patients

Hospital Affiliations CMS Care Compare 4

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

Ssm Health St Anthony Hospital - Oklahoma City

Acute Care Hospitals · Oklahoma City, OK

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number370037

Location1000 North Lee AvenueOklahoma City, OK 73101 · Oklahoma County

Emergency services Birthing friendly

Ssm Health St Anthony Hospital - Midwest

Acute Care Hospitals · Midwest City, OK

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number370094

Location2825 Parklawn DriveMidwest City, OK 73110 · Oklahoma County

Emergency services

Oklahoma Heart Hospital, LLC

Acute Care Hospitals · Oklahoma City, OK

4/5 CMS rating

OwnershipPhysician

CMS Certification Number370215

Location4050 West Memorial RoadOklahoma City, OK 73120 · Oklahoma County

Emergency services

Summit Medical Center, LLC

Acute Care Hospitals · Edmond, OK

OwnershipPhysician

CMS Certification Number370225

Location1800 South Renaissance BoulevardEdmond, OK 73013 · Oklahoma County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73110 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

$123.06 typical visit price

range $53.00 – $162.61

Typical copayment $30.76 (range $13.25 – $40.65)

Most-billed visit code 99204

Established Patient

$94.27 typical visit price

range $16.68 – $132.40

Typical copayment $23.56 (range $4.17 – $33.10)

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.

Referred Medical Equipment & Supplies CMS DME claims 13

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

9 suppliers26 claims71 services$6.23 avg. paid by Medicare

Tape, waterproof, per 18 square inches A4452

DME-Medical/Surgical Supplies · category DA000N

7 suppliers16 claims1,176 services$0.24 avg. paid by Medicare

Tubing with integrated heating element for use with positive airway pressure device A4604

DME-Other DME · category DE001N

7 suppliers28 claims28 services$32.26 avg. paid by Medicare

Gauze, non-impregnated, sterile, pad size 16 sq. in. or less, without adhesive border, each dressing A6402

DME-Medical/Surgical Supplies · category DA023N

7 suppliers16 claims1,564 services$0.08 avg. paid by Medicare

Full face mask used with positive airway pressure device, each A7030

DME-Other DME · category DE001N

4 suppliers13 claims13 services$73.59 avg. paid by Medicare

Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034

DME-Other DME · category DE001N

5 suppliers24 claims24 services$44.81 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

BILLY JACK PREMO CRNA

Nurse Anesthetist, Certified Registered