Lowell Hays, M.D.
NPI 1639111511 · Internal Medicine Physician · Houston, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lowell Hays, M.D. is a Internal Medicine Physician provider in Houston, TX (NPI 1639111511).
Provider details
- NPI number
- 1639111511
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- J4196 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
433 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 | 246 | $128 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 144 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 30 | $92 |
| Administration of Influenza Virus VaccineG0008 | 13 | $33 |
Typical Medicare-allowed amounts for these services range $33–$130 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 102 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 259 | 80 |
| Amlodipine Besylate | 196 | 63 |
| Levothyroxine Sodium | 195 | 54 |
| Losartan Potassium | 151 | 42 |
| Zolpidem Tartrate | 140 | 26 |
| Rosuvastatin Calcium | 128 | 44 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,114 across 57 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 (1)
- 6750 N Macarthur BlvdSuite 350Irving, TX 75039-2875Phone: (972) 556-1616Fax: (972) 556-1740
Registry dates
- Enumerated
- 2006-06-12
- Last updated
- 2022-07-21
Frequently asked questions
- What is Lowell Hays's NPI number?
- Lowell Hays's National Provider Identifier (NPI) is 1639111511, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lowell Hays's specialty?
- Lowell Hays is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lowell Hays located?
- Lowell Hays's practice location on file with NPPES is 7575 San Felipe St Ste 155, Houston, TX 77063-1777.
- What is Lowell Hays's phone number?
- The practice phone number listed in the NPPES registry for Lowell Hays is (713) 266-9955.
- Does Lowell Hays accept Medicare?
- Lowell Hays is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lowell Hays's NPI active?
- Yes — Lowell Hays's NPI (1639111511) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.