Gretchen Weitkamp, MD
NPI 1871664870 · Family Medicine Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gretchen Weitkamp, MD is a Family Medicine Physician provider in Seattle, WA (NPI 1871664870).
Provider details
- NPI number
- 1871664870
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD00031146 (WA)
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
641 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 188 | $140 |
| Dxa Bone Density Measurement of Hip, Pelvis, Spine77080 | 151 | $45 |
| 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 | 92 | $17 |
| Dxa Bone Density Measurement of Forearm, Finger, Hand, Or Foot77081 | 77 | $36 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 67 | $140 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 78 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 277 | 75 |
| Amlodipine Besylate | 243 | 63 |
| Losartan Potassium | 165 | 40 |
| Levothyroxine Sodium | 155 | 39 |
| Hydrochlorothiazide | 128 | 35 |
| Gabapentin | 125 | 26 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-13
- Last updated
- 2020-10-09
- Certified
- 2020-10-09
Frequently asked questions
- What is Gretchen Weitkamp's NPI number?
- Gretchen Weitkamp's National Provider Identifier (NPI) is 1871664870, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Weitkamp's specialty?
- Gretchen Weitkamp is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gretchen Weitkamp located?
- Gretchen Weitkamp's practice location on file with NPPES is 1600 E Jefferson St Ste 510, Seattle, WA 98122-5648.
- What is Gretchen Weitkamp's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Weitkamp is (206) 320-4888.
- Does Gretchen Weitkamp accept Medicare?
- Gretchen Weitkamp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gretchen Weitkamp's NPI active?
- Yes — Gretchen Weitkamp's NPI (1871664870) is active in the NPPES registry as of the last update on 2020-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.