Caroline Harstroem, M.D.
NPI 1396131975 · Pain Medicine (Anesthesiology) Physician · Everett, WA
Enrolled with Medicare as Practitioner - Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Caroline Harstroem, M.D. is a Pain Medicine (Anesthesiology) Physician provider in Everett, WA (NPI 1396131975).
Provider details
- NPI number
- 1396131975
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- FE.60964666 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
11 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
512 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 | 110 | $136 |
| Drug Test(s), Definitive, Utilizing (1) Drug Identification Methods Able to Identify Individual Drugs and Distinguish Between Structural Isomers (but Not Necessarily Stereoisomers), Including, But Not Limited to Gc/Ms (any Type, Single Or Tandem) and Lc/MsG0482 | 65 | $189 |
| Insertion of Spinal Neurostimulator Electrode Array Through Skin63650 | 50 | $329 |
| 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 | 45 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 44 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 340 | 114 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 244 | 69 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 171 | 38 |
| Buprenorphine | 123 | 39 |
| Buprenorphine Hcl | 96 | 25 |
| Tramadol Hcl | 92 | 32 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17,732 across 88 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 (2)
- 155 Lilly Rd Ne Ste BOlympia, WA 98506-5028Phone: (206) 538-6300Fax: (206) 538-6301
- 1628 S Mildred St Ste 102Tacoma, WA 98465-1628Phone: (206) 538-6300Fax: (206) 538-6301
Registry dates
- Enumerated
- 2015-04-10
- Last updated
- 2023-02-15
- Certified
- 2023-02-15
Frequently asked questions
- What is Caroline Harstroem's NPI number?
- Caroline Harstroem's National Provider Identifier (NPI) is 1396131975, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caroline Harstroem's specialty?
- Caroline Harstroem is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is Caroline Harstroem located?
- Caroline Harstroem's practice location on file with NPPES is 3305 Nassau St Ste a, Everett, WA 98201-4140.
- What is Caroline Harstroem's phone number?
- The practice phone number listed in the NPPES registry for Caroline Harstroem is (206) 538-6300.
- Does Caroline Harstroem accept Medicare?
- Caroline Harstroem is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Caroline Harstroem's NPI active?
- Yes — Caroline Harstroem's NPI (1396131975) is active in the NPPES registry as of the last update on 2023-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.