Promporn Wichienkuer, MD
NPI 1598978272 · Internal Medicine Physician · Portland, OR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Promporn Wichienkuer, MD is a Internal Medicine Physician provider in Portland, OR (NPI 1598978272).
Provider details
- NPI number
- 1598978272
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD152342 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
365 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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 126 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 108 | $99 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 63 | $129 |
| Hemoglobin A1c Level83036 | 24 | $10 |
| Administration of Influenza Virus VaccineG0008 | 17 | $33 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 158 | 53 |
| Omeprazole | 92 | 22 |
| Amlodipine Besylate | 74 | 23 |
| Gabapentin | 53 | 17 |
| Oxycodone Hcl | 51 | 18 |
| Levothyroxine Sodium | 49 | 20 |
| Duloxetine Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-08
- Last updated
- 2021-03-25
- Certified
- 2021-03-25
Frequently asked questions
- What is Promporn Wichienkuer's NPI number?
- Promporn Wichienkuer's National Provider Identifier (NPI) is 1598978272, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Promporn Wichienkuer's specialty?
- Promporn Wichienkuer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Promporn Wichienkuer located?
- Promporn Wichienkuer's practice location on file with NPPES is 5050 Ne Hoyt St, Portland, OR 97213-2991.
- What is Promporn Wichienkuer's phone number?
- The practice phone number listed in the NPPES registry for Promporn Wichienkuer is (503) 215-6600.
- Does Promporn Wichienkuer accept Medicare?
- Promporn Wichienkuer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Promporn Wichienkuer's NPI active?
- Yes — Promporn Wichienkuer's NPI (1598978272) is active in the NPPES registry as of the last update on 2021-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.