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SHERRY LYNN MISSILDINE RN, MSN, ACNP-BC
NPI 1215952965
Nurse Practitioner - Acute Care in Mount Pleasant, TX

Active since July 13, 2006PECOS EnrolledAccepts Medicare Assignment
2001 N JEFFERSON AVE STE 204B, MOUNT PLEASANT, TX 75455(903) 577-6290(903) 577-6245 Get Directions Write a Review

NPPES record last updated: April 27, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 27, 2026, Nov 11, 2025, Aug 13, 2025 and 5 more (8 updates tracked since 2015).

About Sherry Lynn Missildine Rn, Msn, Acnp-bc NPPES

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

SHERRY LYNN MISSILDINE RN, MSN, ACNP-BC (NPI 1215952965) is an individual acute care provider in Mount Pleasant, Texas, licensed in Texas (AP115139) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Titus Regional Medical Center, and maintains a secondary practice location in Texarkana.

NPPES Registry Identity

NPI1215952965
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameSHERRY LYNN MISSILDINECredential: RN, MSN, ACNP-BC
Location Address2001 N JEFFERSON AVE STE 204BMount Pleasant, TX 75455-2310
Mailing Address4743 Arapahoe Ave Ste 202Boulder, CO 80303-1128 · (303) 835-0936 · Fax (303) 998-0007
Phone(903) 577-6290
Fax(903) 577-6245
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateJuly 13, 2006
Last NPPES UpdateApril 27, 20268 updates tracked since enumeration
NPPES CertifiedApril 27, 2026
✔ NPI 1215952965 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
Licenses✔ Licensed in TX · AP115139✔ Licensed in CO · 658✔ Licensed in TX · 704242
2001 N JEFFERSON AVE STE 204B, Mount Pleasant, TX 75455
Open in Google Maps ↗

Other Names 1

Former Name (1)Sherry Lynn Porier Rn, Msn, Acnp-bc

Secondary Practice Location 1

Location 12602 Saint Michael Dr Ste 302BTexarkana, TX 75503-5228 · Phone (903) 614-5180 · Fax (903) 614-5169

Other Identifiers 4

Medicaid200223530AOK
Other8Y8806TX · Bcbs
Other1F7305TX · Mcr Pin - Ctc
Medicaid197789401TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Arkansas Blue Cross and Blue Shield, Blue Cross and Blue Shield of Texas, Health Advantage 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

Sherry Lynn Missildine Rn, Msn, Acnp-bc 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 ID1052407046
PECOS Enrollment IDI20071023000087
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 Reassignments

2

Medicare enrollment records show Sherry Missildine reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Titus County Hospital District
Same address
Multi-Specialty
2001 N JEFFERSON AVE
Mount Pleasant, TX 75455
  • Reassigned Medicare billing, Texas enrollment
  • 128 clinicians in this Medicare group
NPI 1063548881 (903) 577-6000
Christus Trinity Clinic Texas
60 mi
Family Medicine
520 DOUGLAS BLVD
Tyler, TX 75702
  • Reassigned Medicare billing, Texas enrollment
  • 2,745 clinicians in this Medicare group
NPI 1285684225 (903) 315-4119

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 8

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.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
169 services91 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
85 services84 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
74 services70 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.
58 services57 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
48 services31 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.
18 services15 patients

Hospital Affiliations CMS Care Compare

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

Titus Regional Medical Center

Acute Care Hospitals · Mount Pleasant, TX
2/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450080
Location2001 N JeffersonMount Pleasant, TX 75455 · Titus County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75455 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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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.

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.

Reported Quality Measures

Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
69%97 patients3/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
100%122 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 2

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

LINDSAY BEASLEY FNP-BC
Nurse Practitioner (Primary Care)
2001 N JEFFERSON AVE STE 204B
MOUNT PLEASANT, TX 75455
Titus County (903) 577-6606
TITUS COUNTY HOSPITAL DISTRICT
Clinic/Center (Medical Specialty)
2001 N JEFFERSON AVE STE 204B
MOUNT PLEASANT, TX 75455
Titus County (903) 577-6606

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 Sherry Missildine's NPI number?

The NPI number for Sherry Missildine is 1215952965. It was assigned to this individual provider in the NPPES registry on July 13, 2006. The provider is also known as Sherry Lynn Porier Rn, Msn, Acnp-Bc.

Where is Sherry Missildine located?

Sherry Missildine practices at 2001 N Jefferson Ave Ste 204B, Mount Pleasant, TX 75455. The listed phone number is (903) 577-6290.

What is Sherry Missildine's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Sherry Missildine enrolled in Medicare?

Yes. Sherry Missildine 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 organizations bill Medicare for Sherry Missildine's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sherry Missildine reassigns Medicare benefits to 2 organizations: Titus County Hospital District (Mount Pleasant, TX) and Christus Trinity Clinic Texas (Tyler, TX). Each 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 Sherry Missildine's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sherry Missildine accept?

Health plans from Arkansas Blue Cross and Blue Shield, Blue Cross and Blue Shield of Texas, Health Advantage, Octave and UnitedHealthcare list Sherry Missildine 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 Sherry Missildine affiliated with any hospitals?

According to CMS data, Sherry Missildine is affiliated with Titus Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Sherry Missildine was last updated on April 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.