Robert Gray, CRNA
NPI 1316646318 · Certified Registered Nurse Anesthetist · Memphis, TN
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Gray, CRNA is a Certified Registered Nurse Anesthetist provider in Memphis, TN (NPI 1316646318).
Provider details
- NPI number
- 1316646318
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- No
- License
- 191554 (TN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
3 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
303 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) |
|---|---|---|
| Anesthesia for Lens Surgery00142 | 189 | $74 |
| Anesthesia for Other Procedure on Urinary System Through Urethra00910 | 45 | $82 |
| Anesthesia for Fragmenting, Manipulation And/Or Removal of Kidney Stone Including Use of an Endoscope00918 | 22 | $130 |
| Anesthesia for Other Procedure on Eye00140 | 16 | $133 |
| Anesthesia for Procedure on Anus and Rectum00902 | 16 | $117 |
| Anesthesia for Retinal Surgery00145 | 15 | $177 |
Typical Medicare-allowed amounts for these services range $74–$177 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-02-28
- Last updated
- 2023-07-28
- Certified
- 2023-07-28
Frequently asked questions
- What is Robert Gray's NPI number?
- Robert Gray's National Provider Identifier (NPI) is 1316646318, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Gray's specialty?
- Robert Gray is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Robert Gray located?
- Robert Gray's practice location on file with NPPES is 1265 Union Ave, Memphis, TN 38104-3415.
- What is Robert Gray's phone number?
- The practice phone number listed in the NPPES registry for Robert Gray is (901) 725-5846.
- Does Robert Gray accept Medicare?
- Robert Gray is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Gray's NPI active?
- Yes — Robert Gray's NPI (1316646318) is active in the NPPES registry as of the last update on 2023-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.