Glenn Orsak, M.D.
NPI 1174528822 · Family Medicine Physician · Friendswood, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Glenn Orsak, M.D. is a Family Medicine Physician provider in Friendswood, TX (NPI 1174528822).
Provider details
- NPI number
- 1174528822
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- J7827 (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
21 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,534 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 | 448 | $126 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 275 | $47 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, Each Additional 20 Minutes99458 | 258 | $39 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 220 | $19 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 174 | $127 |
| Annual Depression Screening, 5 to 15 MinutesG0444 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 81 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 226 | 73 |
| Atorvastatin Calcium | 203 | 67 |
| Metformin Hcl | 165 | 52 |
| Meloxicam | 158 | 64 |
| Levothyroxine Sodium | 155 | 51 |
| Rosuvastatin Calcium | 153 | 55 |
| Pioglitazone Hcl | 144 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,381 across 69 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
- 2005-06-18
- Last updated
- 2020-08-13
- Certified
- 2020-08-13
Frequently asked questions
- What is Glenn Orsak's NPI number?
- Glenn Orsak's National Provider Identifier (NPI) is 1174528822, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Glenn Orsak's specialty?
- Glenn Orsak is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Glenn Orsak located?
- Glenn Orsak's practice location on file with NPPES is 300 E Edgewood Dr, Friendswood, TX 77546-3823.
- What is Glenn Orsak's phone number?
- The practice phone number listed in the NPPES registry for Glenn Orsak is (281) 485-9034.
- Does Glenn Orsak accept Medicare?
- Glenn Orsak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Glenn Orsak's NPI active?
- Yes — Glenn Orsak's NPI (1174528822) is active in the NPPES registry as of the last update on 2020-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.