Heather Certain, MD
NPI 1104961465 · Internal Medicine Physician · Madison, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heather Certain, MD is a Internal Medicine Physician provider in Madison, WI (NPI 1104961465).
Provider details
- NPI number
- 1104961465
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 49386 (WI)
Specialties & taxonomies
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 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
633 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 296 | $73 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 110 | $106 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 75 | $109 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 36 | $75 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 35 | $160 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 35 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 26 | 20 |
| Metoprolol Succinate | 22 | 17 |
| Furosemide | 21 | 12 |
| Apixabanbrand: Eliquis | 16 | 11 |
| Atorvastatin Calcium | 15 | 11 |
| Prednisone | 15 | 15 |
| Spironolactone |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-21
- Last updated
- 2012-07-02
Frequently asked questions
- What is Heather Certain's NPI number?
- Heather Certain's National Provider Identifier (NPI) is 1104961465, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather Certain's specialty?
- Heather Certain is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Heather Certain located?
- Heather Certain's practice location on file with NPPES is 202 So Park St, Madison, WI 53715.
- What is Heather Certain's phone number?
- The practice phone number listed in the NPPES registry for Heather Certain is (608) 417-6103.
- Does Heather Certain accept Medicare?
- Heather Certain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heather Certain's NPI active?
- Yes — Heather Certain's NPI (1104961465) is active in the NPPES registry as of the last update on 2012-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.