Gertrude Massie, PA
NPI 1063151249 · Physician Assistant · Phoenix, AZ
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gertrude Massie, PA is a Physician Assistant provider in Phoenix, AZ (NPI 1063151249).
Provider details
- NPI number
- 1063151249
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- Yes
- License
- PA61477339 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
595 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Fluoroscopic Guidance for Insertion Or Removal of Central Vein Access Device77001 | 93 | $15 |
| Aspiration of Fluid From Chest Cavity Using Imaging Guidance32555 | 84 | $89 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 74 | $41 |
| Drainage of Fluid From Abdominal Cavity Using Imaging Guidance49083 | 70 | $85 |
| Ultrasonic Guidance for Blood Vessel Access76937 | 70 | $11 |
| Use of a Drug to Induce Depression of Consciousness By Physician Performing a Procedure (5 Years Or Older), Initial 15 Minutes99152 | 62 |
Practice location
Mailing address
Additional practice locations (2)
- 435 N 5th StPhoenix, AZ 85004-2157Phone: (000) 000-0000
- 1304 Fawcett AveTacoma, WA 98402-1911Phone: (253) 761-4200
Registry dates
- Enumerated
- 2022-06-03
- Last updated
- 2024-08-30
- Certified
- 2024-08-30
Frequently asked questions
- What is Gertrude Massie's NPI number?
- Gertrude Massie's National Provider Identifier (NPI) is 1063151249, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gertrude Massie's specialty?
- Gertrude Massie is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gertrude Massie located?
- Gertrude Massie's practice location on file with NPPES is 5777 E Mayo Blvd, Phoenix, AZ 85054-4502.
- What is Gertrude Massie's phone number?
- The practice phone number listed in the NPPES registry for Gertrude Massie is (480) 301-8000.
- Does Gertrude Massie accept Medicare?
- Gertrude Massie is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gertrude Massie's NPI active?
- Yes — Gertrude Massie's NPI (1063151249) is active in the NPPES registry as of the last update on 2024-08-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.