Ellen Hampsten, M.D.
NPI 1821259243 · Family Medicine Physician · Amarillo, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ellen Hampsten, M.D. is a Family Medicine Physician provider in Amarillo, TX (NPI 1821259243).
Provider details
- NPI number
- 1821259243
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
231 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 | 91 | $128 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 72 | $91 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 37 | $80 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 16 | $176 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 15 | $82 |
Typical Medicare-allowed amounts for these services range $80–$176 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 80 | 18 |
| Lisinopril | 72 | 15 |
| Levothyroxine Sodium | 61 | 16 |
| Atorvastatin Calcium | 58 | 16 |
| Gabapentin | 56 | 13 |
| Alprazolam | 44 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$132 across 7 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
Registry dates
- Enumerated
- 2008-06-18
- Last updated
- 2015-04-29
Frequently asked questions
- What is Ellen Hampsten's NPI number?
- Ellen Hampsten's National Provider Identifier (NPI) is 1821259243, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Hampsten's specialty?
- Ellen Hampsten is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ellen Hampsten located?
- Ellen Hampsten's practice location on file with NPPES is 1400 S Coulter St, Amarillo, TX 79106-1786.
- What is Ellen Hampsten's phone number?
- The practice phone number listed in the NPPES registry for Ellen Hampsten is (806) 414-9559.
- Does Ellen Hampsten accept Medicare?
- Ellen Hampsten is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ellen Hampsten's NPI active?
- Yes — Ellen Hampsten's NPI (1821259243) is active in the NPPES registry as of the last update on 2015-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.