Robbin Koehler, FNP-C
NPI 1134380371 · Family Nurse Practitioner · San Marcos, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robbin Koehler, FNP-C is a Family Nurse Practitioner provider in San Marcos, TX (NPI 1134380371).
Provider details
- NPI number
- 1134380371
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 689040 (TX)
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
18 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
258 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 | 65 | $74 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 52 | $90 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 41 | $103 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza87428 | 26 | $64 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 24 | $11 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 71 | 70 |
| Azithromycin | 35 | 33 |
| Amoxicillin | 30 | 29 |
| Cephalexin | 30 | 30 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 25 | 24 |
| Doxycycline Hyclate | 23 | 22 |
| Methylprednisolone | 19 | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-20
- Last updated
- 2013-04-29
Frequently asked questions
- What is Robbin Koehler's NPI number?
- Robbin Koehler's National Provider Identifier (NPI) is 1134380371, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robbin Koehler's specialty?
- Robbin Koehler is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Robbin Koehler located?
- Robbin Koehler's practice location on file with NPPES is 1941 S Ih 35, San Marcos, TX 78666-6168.
- What is Robbin Koehler's phone number?
- The practice phone number listed in the NPPES registry for Robbin Koehler is (512) 353-6425.
- Does Robbin Koehler accept Medicare?
- Robbin Koehler is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robbin Koehler's NPI active?
- Yes — Robbin Koehler's NPI (1134380371) is active in the NPPES registry as of the last update on 2013-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.