Doctor profile · Federal record
Dr. Helen Lyall, RN, NP
Acute Care Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Tucson, AZ
- NPI 1558925644
- Accepts Medicare
- 6 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
Tucson Medical Centre, 5301 E Grant Road
Tucson, AZ 85712
(520) 324-5695 - Mailing address
-
Po Box 31235
Tucson, AZ 857511235
Credentials & registration
- NPI registered
- April 2019 — 7 yrs on file
- Profile last updated
- September 16, 2021
- Year of graduation
- 2020 — 6 yrs since
- Specialty taxonomy
- 363LA2100X — NUCC code
- State licenses (2)
- Arizona #257097 · Arizona #108148
- Medicaid
- AZ #091115
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558925644. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
22
Distinct HCPCS
1
Medicare allowed
$3,865
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99291 |
Critical care, first 30-74 minutes | 22 | 22 | $176 |
In context: peer comparison
Among 25 peers in Tucson Acute Care Nurse Practitioner, average services per provider: 267. This provider delivers 0.1× the peer median.Frequently asked questions
What is Dr. Helen Lyall's medical specialty?
Dr. Helen Lyall practices Acute Care Nurse Practitioner in Tucson, AZ.
Where does Dr. Helen Lyall practice?
Dr. Helen Lyall practices at Tucson Medical Centre, Tucson, AZ 85712. Office phone: 5203245695.
What is Dr. Helen Lyall's NPI?
Dr. Helen Lyall's National Provider Identifier (NPI) is 1558925644, issued by NPPES.
Does Dr. Helen Lyall accept Medicare assignment?
Yes. Dr. Helen Lyall accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Helen Lyall commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.