1. Home
  2. Directory
  3. Oklahoma
  4. Hollis
  5. Nurse Practitioner
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

AMY MICHELLE TILLMAN NURSE PRACTITIONER
NPI 1689121147
Nurse Practitioner - Family in Hollis, OK

Active since September 01, 2016PECOS EnrolledAccepts Medicare Assignment
920 N 8TH, HOLLIS, OK 73550(580) 688-2200(580) 688-2229 Get Directions Write a Review

NPPES record last updated: October 6, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 6, 2026, Sep 1, 2016 (2 updates tracked since 2016).

About Amy Michelle Tillman Nurse Practitioner NPPES

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

AMY MICHELLE TILLMAN NURSE PRACTITIONER (NPI 1689121147) is an individual family provider in Hollis, Oklahoma, licensed in Oklahoma (120820) and active in the NPI registry since September 2016. She is enrolled in Medicare PECOS, is affiliated with Harmon Memorial Hospital, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1689121147
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameAMY MICHELLE TILLMANCredential: NURSE PRACTITIONER
Location Address920 N 8THHollis, OK 73550
Mailing Address920 N 8th St, Po Box 431Hollis, OK 73550-2026 · (580) 688-2200 · Fax (580) 688-2229
Phone(580) 688-2200
Fax(580) 688-2229
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateSeptember 1, 2016
Last NPPES UpdateOctober 6, 20262 updates tracked since enumeration
NPPES CertifiedOctober 6, 2026
✔ NPI 1689121147 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in OK · 120820
920 N 8TH, Hollis, OK 73550
Open in Google Maps ↗

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

Amy Michelle Tillman Nurse Practitioner 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 ID7618251216
PECOS Enrollment IDI20170227001925
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 Amy Tillman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Akram R. Abraham, M.D.PC
Same address
Family Medicine
920 N 8TH ST
Hollis, OK 73550
  • Reassigned Medicare billing, Oklahoma enrollment
  • 5 clinicians in this Medicare group
NPI 1225210248 (580) 688-2200

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 11

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 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.
136 services91 patients
Injection, ceftriaxone sodium, per 250 mg J0696
Ceftriaxone sodium is an antibiotic injection used to treat a variety of bacterial infections. Each injection contains 250 mg of the medicine. It works by stopping the growth of bacteria in your body.
133 services29 patients
Injection, dexamethasone sodium phosphate, 1 mg J1100
Dexamethasone sodium phosphate is a medication given via injection. It is a type of steroid that helps reduce inflammation and immune responses. It can be used to treat a variety of conditions, such as allergies, skin conditions, arthritis, and more.
107 services23 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
83 services39 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.
68 services56 patients
Critical care, each additional 30 minutes 99292
Critical care refers to special attention given to patients facing life-threatening conditions. Each additional 30 minutes indicates the extension of this specialized care. This might include close monitoring, medication adjustments, and immediate interventions as needed.
42 services21 patients

Hospital Affiliations CMS Care Compare

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

Harmon Memorial Hospital

Critical Access Hospitals · Hollis, OK
OwnershipVoluntary non-profit - Other
CMS Certification Number371338
Location400 East Chestnut StreetHollis, OK 73550 · Harmon County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 73550 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
$82.46 typical visit price
range $53.00 – $162.61
Typical copayment $20.61 (range $13.25 – $40.65)
Most-billed visit code 99203
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.

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 Amy Tillman's NPI number?

The NPI number for Amy Tillman is 1689121147. It was assigned to this individual provider in the NPPES registry on September 1, 2016.

Where is Amy Tillman located?

Amy Tillman practices at 920 N 8th, Hollis, OK 73550. The listed phone number is (580) 688-2200.

What is Amy Tillman's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Amy Tillman enrolled in Medicare?

Yes. Amy Tillman 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 Amy Tillman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Amy Tillman reassigns Medicare benefits to Akram R. Abraham, M.D.PC (Hollis, 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 Amy Tillman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Amy Tillman accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 3 other insurers list Amy Tillman 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 Amy Tillman affiliated with any hospitals?

According to CMS data, Amy Tillman is affiliated with Harmon Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Amy Tillman was last updated on October 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 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.