Karen O'Day, CNM, CFNP, MBA
NPI 1164483962 · Family Nurse Practitioner · Santa Fe, NM
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen O'Day, CNM, CFNP, MBA is a Family Nurse Practitioner provider in Santa Fe, NM (NPI 1164483962).
Provider details
- NPI number
- 1164483962
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNM, CFNP, MBA
- Sex
- Female
- Sole proprietor
- Yes
- License
- R25968 (NM)
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
20 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
246 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 129 | $73 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 95 | $103 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 22 | $146 |
Typical Medicare-allowed amounts for these services range $73–$146 (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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Progesterone, Micronizedbrand: Progesterone | 100 | 30 |
| Levothyroxine Sodium | 29 | — |
| Amitriptyline Hcl | 27 | — |
| Valacyclovir Hclbrand: Valacyclovir | 24 | — |
| Trazodone Hcl | 23 | — |
| Gabapentin | 22 | — |
| Tamsulosin Hcl | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-31
- Last updated
- 2017-03-17
Frequently asked questions
- What is Karen O'Day's NPI number?
- Karen O'Day's National Provider Identifier (NPI) is 1164483962, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen O'Day's specialty?
- Karen O'Day is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen O'Day located?
- Karen O'Day's practice location on file with NPPES is 1911 5th St, Santa Fe, NM 87505-5403.
- What is Karen O'Day's phone number?
- The practice phone number listed in the NPPES registry for Karen O'Day is (505) 780-8301.
- Does Karen O'Day accept Medicare?
- Karen O'Day is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen O'Day's NPI active?
- Yes — Karen O'Day's NPI (1164483962) is active in the NPPES registry as of the last update on 2017-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.