Heather Linebarger, MD
NPI 1891802856 · Internal Medicine Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heather Linebarger, MD is a Internal Medicine Physician provider in Palo Alto, CA (NPI 1891802856).
Provider details
- NPI number
- 1891802856
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A72971 (CA)
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
789 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 397 | $111 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 154 | $155 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 110 | $157 |
| 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 | 50 | $19 |
| Administration of Influenza Virus VaccineG0008 | 23 | $39 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 62 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 282 | 68 |
| Levothyroxine Sodium | 200 | 42 |
| Amlodipine Besylate | 141 | 41 |
| Losartan Potassium | 107 | 30 |
| Omeprazole | 93 | 20 |
| Gabapentin | 81 | 23 |
| Rosuvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-24
- Last updated
- 2020-05-13
- Certified
- 2020-05-13
Frequently asked questions
- What is Heather Linebarger's NPI number?
- Heather Linebarger's National Provider Identifier (NPI) is 1891802856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather Linebarger's specialty?
- Heather Linebarger is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Heather Linebarger located?
- Heather Linebarger's practice location on file with NPPES is 795 El Camino Real, Palo Alto, CA 94301-2302.
- What is Heather Linebarger's phone number?
- The practice phone number listed in the NPPES registry for Heather Linebarger is (650) 853-2977.
- Does Heather Linebarger accept Medicare?
- Heather Linebarger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heather Linebarger's NPI active?
- Yes — Heather Linebarger's NPI (1891802856) is active in the NPPES registry as of the last update on 2020-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.