Joan Hamblin, MD
NPI 1801836549 · Family Medicine Physician · Eau Claire, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joan Hamblin, MD is a Family Medicine Physician provider in Eau Claire, WI (NPI 1801836549).
Provider details
- NPI number
- 1801836549
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 39351 (WI)
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
20 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
241 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 60 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 41 | $122 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 37 | $87 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 29 | $8 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 21 | $75 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 20 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 74 | 18 |
| Omeprazole | 61 | 16 |
| Hydrochlorothiazide | 56 | 16 |
| Sertraline Hcl | 43 | — |
| Amlodipine Besylate | 38 | — |
| Atorvastatin Calcium | 38 | 13 |
| Lisinopril | 35 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-08
- Last updated
- 2024-08-27
- Certified
- 2024-08-27
Frequently asked questions
- What is Joan Hamblin's NPI number?
- Joan Hamblin's National Provider Identifier (NPI) is 1801836549, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joan Hamblin's specialty?
- Joan Hamblin is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Joan Hamblin located?
- Joan Hamblin's practice location on file with NPPES is 1002 W Clairemont Ave, Eau Claire, WI 54701-6123.
- What is Joan Hamblin's phone number?
- The practice phone number listed in the NPPES registry for Joan Hamblin is (534) 200-6165.
- Does Joan Hamblin accept Medicare?
- Joan Hamblin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joan Hamblin's NPI active?
- Yes — Joan Hamblin's NPI (1801836549) is active in the NPPES registry as of the last update on 2024-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.