Michelle Longa Karpin, CNM
NPI 1164663902 · Midwife · San Luis Obispo, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michelle Longa Karpin, CNM is a Midwife provider in San Luis Obispo, CA (NPI 1164663902).
Provider details
- NPI number
- 1164663902
- Entity type
- Individual
- Primary specialty
- MidwifeOther Service Providers
- Credential
- CNM
- Sex
- Female
- Sole proprietor
- No
- License
- 1698 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
186 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) |
|---|---|---|
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 79 | $39 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 52 | $92 |
| Automated Urinalysis Test81003 | 19 | $2 |
| Screening Papanicolaou Smear; Obtaining, Preparing and Conveyance of Cervical Or Vaginal Smear to LaboratoryQ0091 | 19 | $47 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 17 | $124 |
Typical Medicare-allowed amounts for these services range $2–$124 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 174 | 66 |
| Valacyclovir Hclbrand: Valacyclovir | 39 | 16 |
| Estradiolbrand: Yuvafem | 31 | 11 |
| Progesterone, Micronizedbrand: Progesterone | 19 | — |
| Estradiolbrand: Estring | 12 | — |
| Paroxetine Hcl | 11 | — |
| Estradiolbrand: Estradiol (twice Weekly) | 11 |
Practice location
Mailing address
Additional practice locations (1)
- 705 Grand AveSan Luis Obispo, CA 93401-2639Phone: (805) 544-2478Fax: (805) 544-3649
Registry dates
- Enumerated
- 2009-03-06
- Last updated
- 2024-06-24
- Certified
- 2024-06-24
Frequently asked questions
- What is Michelle Longa Karpin's NPI number?
- Michelle Longa Karpin's National Provider Identifier (NPI) is 1164663902, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Longa Karpin's specialty?
- Michelle Longa Karpin is listed in the NPPES registry with a primary specialty of Midwife (Other Service Providers).
- Where is Michelle Longa Karpin located?
- Michelle Longa Karpin's practice location on file with NPPES is 35 Casa St Ste 220, San Luis Obispo, CA 93405-1890.
- What is Michelle Longa Karpin's phone number?
- The practice phone number listed in the NPPES registry for Michelle Longa Karpin is (805) 595-1808.
- Does Michelle Longa Karpin accept Medicare?
- Michelle Longa Karpin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michelle Longa Karpin's NPI active?
- Yes — Michelle Longa Karpin's NPI (1164663902) is active in the NPPES registry as of the last update on 2024-06-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.