David Michalak, MD
NPI 1841325750 · Family Medicine Physician · The Woodlands, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Michalak, MD is a Family Medicine Physician provider in The Woodlands, TX (NPI 1841325750).
Provider details
- NPI number
- 1841325750
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- M5838 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
505 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 162 | $84 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 95 | $122 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 67 | $18 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 64 | $124 |
| Annual Depression Screening, 5 to 15 MinutesG0444 | 64 | $18 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 169 | 47 |
| Levothyroxine Sodium | 161 | 41 |
| Amlodipine Besylate | 92 | 28 |
| Lisinopril | 92 | 25 |
| Atorvastatin Calcium | 84 | 26 |
| Rosuvastatin Calcium | 82 | 27 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$693 across 36 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
- 2007-02-22
- Last updated
- 2014-01-07
Frequently asked questions
- What is David Michalak's NPI number?
- David Michalak's National Provider Identifier (NPI) is 1841325750, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Michalak's specialty?
- David Michalak is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Michalak located?
- David Michalak's practice location on file with NPPES is 4840 W Panther Creek Dr, The Woodlands, TX 77381-3527.
- What is David Michalak's phone number?
- The practice phone number listed in the NPPES registry for David Michalak is (281) 367-1720.
- Does David Michalak accept Medicare?
- David Michalak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Michalak's NPI active?
- Yes — David Michalak's NPI (1841325750) is active in the NPPES registry as of the last update on 2014-01-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.