Nathan Griswold
NPI 1578169488 · Certified Registered Nurse Anesthetist · Traverse City, MI
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Griswold is a Certified Registered Nurse Anesthetist provider in Traverse City, MI (NPI 1578169488).
Provider details
- NPI number
- 1578169488
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 4704315731 (MI)
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
5 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
65 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 Procedure for Total Knee Joint Replacement01402 | 20 | $140 |
| Anesthesia for Lens Surgery00142 | 17 | $62 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 15 | $47 |
| Anesthesia for Total Hip Replacement01214 | 13 | $156 |
Typical Medicare-allowed amounts for these services range $47–$156 (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
- 2020-12-07
- Last updated
- 2021-06-14
- Certified
- 2021-06-14
Frequently asked questions
- What is Nathan Griswold's NPI number?
- Nathan Griswold's National Provider Identifier (NPI) is 1578169488, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Griswold's specialty?
- Nathan Griswold is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nathan Griswold located?
- Nathan Griswold's practice location on file with NPPES is 4100 Park Forest Dr Ste 210, Traverse City, MI 49684-7306.
- What is Nathan Griswold's phone number?
- The practice phone number listed in the NPPES registry for Nathan Griswold is (231) 935-5770.
- Does Nathan Griswold accept Medicare?
- Nathan Griswold is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Griswold's NPI active?
- Yes — Nathan Griswold's NPI (1578169488) is active in the NPPES registry as of the last update on 2021-06-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.