Christina Michaelis, MD
NPI 1134338221 · Endocrinology, Diabetes & Metabolism Physician · Houston, TX
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christina Michaelis, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Houston, TX (NPI 1134338221).
Provider details
- NPI number
- 1134338221
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- M7433 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
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
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
4,097 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) |
|---|---|---|
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 1,086 | $63 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 902 | $128 |
| Online Digital Evaluation and Management Service for an Established Patient for Up to 7 Days, Total Time 5-10 Minutes99421 | 509 | $15 |
| 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 | 484 | $16 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 225 | $3 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 74 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 941 | 288 |
| Semaglutidebrand: Ozempic | 545 | 140 |
| Metformin Hcl | 505 | 166 |
| Empagliflozinbrand: Jardiance | 260 | 64 |
| Levothyroxine Sodiumbrand: Synthroid | 260 | 73 |
| Metformin Hclbrand: Metformin Hcl Er | 177 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$722 across 30 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 (2)
- 1631 North Loop W Ste 625Houston, TX 77008-1546Phone: (832) 649-4386Fax: (832) 218-7402
- 18300 Katy Fwy Ste 465Houston, TX 77094-1385Phone: (713) 973-3470Fax: (281) 944-9793
Registry dates
- Enumerated
- 2007-05-22
- Last updated
- 2020-07-07
- Certified
- 2020-07-07
Frequently asked questions
- What is Christina Michaelis's NPI number?
- Christina Michaelis's National Provider Identifier (NPI) is 1134338221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christina Michaelis's specialty?
- Christina Michaelis is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Christina Michaelis located?
- Christina Michaelis's practice location on file with NPPES is 10837 Katy Fwy, Houston, TX 77079-2204.
- What is Christina Michaelis's phone number?
- The practice phone number listed in the NPPES registry for Christina Michaelis is (713) 468-2122.
- Does Christina Michaelis accept Medicare?
- Christina Michaelis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christina Michaelis's NPI active?
- Yes — Christina Michaelis's NPI (1134338221) is active in the NPPES registry as of the last update on 2020-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.