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DR. NICHOLAS TWIDALE M.D.,PHD.
NPI 1104886209
Internal Medicine - Cardiovascular Disease in Elk City, OK

Active since March 24, 2006PECOS EnrolledAccepts Medicare Assignment
99.15/100
CMS Quality Rating
1701 W AVENUE A, ELK CITY, OK 73644(580) 225-6220(580) 225-6399 Get Directions Write a Review

NPPES record last updated: June 6, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 6, 2022, Jun 18, 2021, Nov 5, 2020 and 3 more (6 updates tracked since 2016).

About Dr. Nicholas Twidale M.d.,phd. NPPES

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

DR. NICHOLAS TWIDALE M.D.,PHD. (NPI 1104886209) is an individual cardiovascular disease provider in Elk City, Oklahoma, licensed in Oklahoma (17189) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Great Plains Regional Medical Center, and is a graduate of Other (1981).

NPPES Registry Identity

NPI1104886209
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. NICHOLAS TWIDALECredential: M.D.,PHD.
Location Address1701 W AVENUE AElk City, OK 73644-3901
Mailing Address7800 Nw 85th TerOklahoma City, OK 73132-3385
Phone(580) 225-6220
Fax(580) 225-6399
Sole ProprietorNo
Medical School CMSOtherGraduated 1981
Enumeration DateMarch 24, 2006
Last NPPES UpdateJune 6, 20226 updates tracked since enumeration
NPPES CertifiedJune 6, 2022
✔ NPI 1104886209 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in OK · 17189
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
1701 W AVENUE A, Elk City, OK 73644
Open in Google Maps ↗

Other Identifiers 1

Medicaid100103330AOK

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Oklahoma, Mending Health.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. Nicholas Twidale M.d.,phd. 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 ID7012985484
PECOS Enrollment IDI20060425000818
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 Nicholas Twidale reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ohh Physicians, LLC
105 mi
Cardiovascular Disease
4050 W MEMORIAL RD
Oklahoma City, OK 73120
  • Reassigned Medicare billing, Oklahoma enrollment
  • 125 clinicians in this Medicare group
NPI 1023087772 (405) 608-3800

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 10

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.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
705 services494 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.
490 services371 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
177 services168 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.
117 services98 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
24 services24 patients
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016
An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.
22 services22 patients

Hospital Affiliations CMS Care Compare 2

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

Great Plains Regional Medical Center

Acute Care Hospitals · Elk City, OK
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number370019
Location1801 West 3rd StreetElk City, OK 73644 · Beckham County
Emergency services Birthing friendly

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73644 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
$66.48 typical visit price
range $16.68 – $132.40
Typical copayment $16.62 (range $4.17 – $33.10)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

99.15/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability99
Improvement Activities40

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 Nicholas Twidale's NPI number?

The NPI number for Nicholas Twidale is 1104886209. It was assigned to this individual provider in the NPPES registry on March 24, 2006.

Where is Nicholas Twidale located?

Nicholas Twidale practices at 1701 W Avenue A, Elk City, OK 73644. The listed phone number is (580) 225-6220.

What is Nicholas Twidale's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Nicholas Twidale enrolled in Medicare?

Yes. Nicholas Twidale 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 Nicholas Twidale's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Twidale reassigns Medicare benefits to Ohh Physicians, LLC (Oklahoma City, OK). 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 Nicholas Twidale's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nicholas Twidale accept?

Health plans from Blue Cross and Blue Shield of Oklahoma and Mending Health list Nicholas Twidale 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.

Is Nicholas Twidale affiliated with any hospitals?

According to CMS data, Nicholas Twidale is affiliated with Great Plains Regional Medical Center and Oklahoma Heart Hospital, LLC.

When was this NPI record last updated?

The NPPES record for Nicholas Twidale was last updated on June 6, 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.