Harold Grissom, CRNA
NPI 1578740205 · Certified Registered Nurse Anesthetist · Columbus, MS
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harold Grissom, CRNA is a Certified Registered Nurse Anesthetist provider in Columbus, MS (NPI 1578740205).
Provider details
- NPI number
- 1578740205
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- No
- License
- R857989 (MS)
Specialties & taxonomies
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
18 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
21 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 Other Procedure on Upper Abdomen00790 | 21 | $140 |
Typical Medicare-allowed amounts for these services range $140–$140 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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
- 2008-01-24
- Last updated
- 2010-05-13
Frequently asked questions
- What is Harold Grissom's NPI number?
- Harold Grissom's National Provider Identifier (NPI) is 1578740205, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harold Grissom's specialty?
- Harold Grissom is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Harold Grissom located?
- Harold Grissom's practice location on file with NPPES is 2520 5th St N, Columbus, MS 39705-2008.
- What is Harold Grissom's phone number?
- The practice phone number listed in the NPPES registry for Harold Grissom is (662) 244-1000.
- Does Harold Grissom accept Medicare?
- Harold Grissom is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harold Grissom's NPI active?
- Yes — Harold Grissom's NPI (1578740205) is active in the NPPES registry as of the last update on 2010-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.