Eric Griffith, RN, CFNP
NPI 1578665121 · Family Nurse Practitioner · Duluth, MN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Griffith, RN, CFNP is a Family Nurse Practitioner provider in Duluth, MN (NPI 1578665121).
Provider details
- NPI number
- 1578665121
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, CFNP
- Sex
- Male
- Sole proprietor
- No
- License
- R157969-5 (MN)
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
19 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
210 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 79 | $78 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 61 | $28 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 45 | $13 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 25 | $116 |
Typical Medicare-allowed amounts for these services range $13–$116 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 278 | 80 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 103 | 33 |
| Semaglutidebrand: Ozempic | 88 | 17 |
| Methimazole | 71 | 17 |
| Levothyroxine Sodiumbrand: Synthroid | 69 | 19 |
| Metformin Hclbrand: Metformin Hcl Er | 56 | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-03
- Last updated
- 2017-02-28
Frequently asked questions
- What is Eric Griffith's NPI number?
- Eric Griffith's National Provider Identifier (NPI) is 1578665121, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Griffith's specialty?
- Eric Griffith is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Eric Griffith located?
- Eric Griffith's practice location on file with NPPES is 400 East Third Street, Duluth, MN 55805-1951.
- What is Eric Griffith's phone number?
- The practice phone number listed in the NPPES registry for Eric Griffith is (218) 786-8364.
- Does Eric Griffith accept Medicare?
- Eric Griffith is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Griffith's NPI active?
- Yes — Eric Griffith's NPI (1578665121) is active in the NPPES registry as of the last update on 2017-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.