Karolina Harger, N.P.
NPI 1538455605 · Nurse Practitioner · San Francisco, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karolina Harger, N.P. is a Nurse Practitioner provider in San Francisco, CA (NPI 1538455605).
Provider details
- NPI number
- 1538455605
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- NP20812 (CA)
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 tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
258 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 192 | $131 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 44 | $94 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 22 | $179 |
Typical Medicare-allowed amounts for these services range $94–$179 (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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetron Hcl | 53 | 31 |
| Prochlorperazine Maleate | 37 | 29 |
| Dexamethasone | 21 | 19 |
| Lidocaine/Prilocainebrand: Lidocaine-Prilocaine | 19 | 19 |
| Gabapentin | 19 | — |
| Niraparib Tosylatebrand: Zejula | 19 | — |
| Olaparibbrand: Lynparza | 14 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$54 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 3390 Carmel Mountain RdSuite 130San Diego, CA 92121-1002Phone: (858) 455-5524Fax: (858) 597-9377
Registry dates
- Enumerated
- 2011-06-27
- Last updated
- 2022-01-21
- Certified
- 2022-01-21
Frequently asked questions
- What is Karolina Harger's NPI number?
- Karolina Harger's National Provider Identifier (NPI) is 1538455605, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karolina Harger's specialty?
- Karolina Harger is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karolina Harger located?
- Karolina Harger's practice location on file with NPPES is 1100 Van Ness Ave, San Francisco, CA 94109-6978.
- What is Karolina Harger's phone number?
- The practice phone number listed in the NPPES registry for Karolina Harger is (415) 600-0930.
- Does Karolina Harger accept Medicare?
- Karolina Harger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karolina Harger's NPI active?
- Yes — Karolina Harger's NPI (1538455605) is active in the NPPES registry as of the last update on 2022-01-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.