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NIGEL ANDREW ADASHEFSKI PA-C
NPI 1124790092
Physician Assistant in Georgetown, TX

Active since September 29, 2021PECOS EnrolledAccepts Medicare Assignment
72.52/100
CMS Quality Rating
1502 BLUE RIDGE DR STE 301, GEORGETOWN, TX 78626(512) 409-9903 Get Directions Write a Review

NPPES record last updated: January 12, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 12, 2026, Nov 12, 2025, Sep 29, 2021 (3 updates tracked since 2021).

About Nigel Andrew Adashefski Pa-c NPPES

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

NIGEL ANDREW ADASHEFSKI PA-C (NPI 1124790092) is an individual physician assistant in Georgetown, Texas, licensed in Texas (PA14985) and active in the NPI registry since September 2021. He is enrolled in Medicare PECOS, is affiliated with St David's South Austin Medical Center, and maintains 4 additional practice locations.

NPPES Registry Identity

NPI1124790092
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameNIGEL ANDREW ADASHEFSKICredential: PA-C
Location Address1502 BLUE RIDGE DR STE 301Georgetown, TX 78626-1002
Mailing Address6130 E 81st StTulsa, OK 74137-2125 · (512) 409-9903
Phone(512) 409-9903
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateSeptember 29, 2021
Last NPPES UpdateJanuary 12, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 12, 2026
✔ NPI 1124790092 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in TX · PA14985
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
1502 BLUE RIDGE DR STE 301, Georgetown, TX 78626
Open in Google Maps ↗

Secondary Practice Locations 4

Location 11401 Medical Parkway Building 1, Suite 412Cedar Park, TX 78613-7763 · Phone (512) 409-9903
Location 25615 Kyle Center DrKyle, TX 78640-6553 · Phone (512) 409-9903
Location 3201 Seton PkwyRound Rock, TX 78665-8000 · Phone (512) 324-4000
Location 44207 James Casey St Ste 111Austin, TX 78745-3362 · Phone (512) 409-9903

Accepted Insurance

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

Nigel Andrew Adashefski Pa-c 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 ID9234522038
PECOS Enrollment IDI20220131000093
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 5

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 moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
93 services74 patients
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.
77 services55 patients
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.
61 services61 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.
53 services43 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.
14 services14 patients

Hospital Affiliations CMS Care Compare 3

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

St David's South Austin Medical Center

Acute Care Hospitals · Austin, TX
5/5 CMS rating
OwnershipProprietary
CMS Certification Number450713
Location901 West Ben White BlvdAustin, TX 78704 · Travis County
Emergency services Birthing friendly

Round Rock Medical Center

Acute Care Hospitals · Round Rock, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450718
Location2400 Round Rock AveRound Rock, TX 78681 · Williamson County
Emergency services Birthing friendly

Ascension Seton Williamson

Acute Care Hospitals · Round Rock, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670041
Location201 Seton ParkwayRound Rock, TX 78664 · Williamson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78626 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
$68.55 typical visit price
range $17.52 – $136.11
Typical copayment $17.13 (range $4.38 – $34.02)
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.

72.52/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality61.27
Promoting Interoperability100
Improvement Activities40
Cost47.12

Other Providers at the Same Location NPPES 4

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

DR. ARVIND CHINTAGUMPALA MOHAN MD, MBA
Neurological Surgery
1502 BLUE RIDGE DR STE 301
GEORGETOWN, TX 78626
Williamson County (512) 409-9903
OLYMPIA NEUROLOGICAL INSTITUTE PLLC
Neurological Surgery
1502 BLUE RIDGE DR STE 301
GEORGETOWN, TX 78626
Williamson County (512) 409-9903
MORTEZA SADEH MD
Neurological Surgery
1502 BLUE RIDGE DR STE 301
GEORGETOWN, TX 78626
Williamson County (512) 409-9903
DR. CLINTON JOHN BAIRD M.D.
Neurological Surgery
1502 BLUE RIDGE DR STE 301
GEORGETOWN, TX 78626
Williamson County (512) 409-9903

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 Nigel Adashefski's NPI number?

The NPI number for Nigel Adashefski is 1124790092. It was assigned to this individual provider in the NPPES registry on September 29, 2021.

Where is Nigel Adashefski located?

Nigel Adashefski practices at 1502 Blue Ridge Dr Ste 301, Georgetown, TX 78626. The listed phone number is (512) 409-9903.

What is Nigel Adashefski's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Nigel Adashefski enrolled in Medicare?

Yes. Nigel Adashefski 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.

What insurance does Nigel Adashefski accept?

Health plans from Blue Cross and Blue Shield of Texas list Nigel Adashefski 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 Nigel Adashefski affiliated with any hospitals?

According to CMS data, Nigel Adashefski is affiliated with St David's South Austin Medical Center, Round Rock Medical Center and Ascension Seton Williamson.

When was this NPI record last updated?

The NPPES record for Nigel Adashefski was last updated on January 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.