Ingrid Trenkle, MD
NPI 1629161260 · Specialist · Redlands, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ingrid Trenkle, MD is a Specialist provider in Redlands, CA (NPI 1629161260).
Provider details
- NPI number
- 1629161260
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- G27162 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
7,752 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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 2,517 | $7 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 948 | $58 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 834 | $92 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 768 | $52 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 691 | $36 |
| Destruction of Skin Growth, 1-14 Growths17110 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Minoxidil | 147 | 42 |
| Imiquimod | 122 | 91 |
| Ketoconazole | 114 | 54 |
| Triamcinolone Acetonide | 110 | 84 |
| Doxycycline Hyclate | 73 | 32 |
| Clobetasol Propionate | 71 | 44 |
| Cephalexin | 39 | 35 |
| Valacyclovir Hclbrand: Valacyclovir | 37 | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,777 across 144 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
Registry dates
- Enumerated
- 2006-10-02
- Last updated
- 2015-09-01
Frequently asked questions
- What is Ingrid Trenkle's NPI number?
- Ingrid Trenkle's National Provider Identifier (NPI) is 1629161260, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ingrid Trenkle's specialty?
- Ingrid Trenkle is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Ingrid Trenkle located?
- Ingrid Trenkle's practice location on file with NPPES is 124 E Olive Ave, Redlands, CA 92373-5250.
- What is Ingrid Trenkle's phone number?
- The practice phone number listed in the NPPES registry for Ingrid Trenkle is (909) 335-2018.
- Does Ingrid Trenkle accept Medicare?
- Ingrid Trenkle is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ingrid Trenkle's NPI active?
- Yes — Ingrid Trenkle's NPI (1629161260) is active in the NPPES registry as of the last update on 2015-09-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.