Quick answers
- Does Tiffany M. Mullin accept Medicare assignment?
- Yes. Medicare's clinician data says Tiffany M. Mullin accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Tiffany M. Mullin see?
- In 2024, CMS data shows 31 Original Medicare patients and 57 services for Tiffany M. Mullin. This counts Original Medicare only and measures volume, not quality.
- What is Tiffany M. Mullin's NPI number?
- 1689610867. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Tiffany M. Mullin, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 31 |
|---|---|
| Services billed to Medicare | 57 |
| Different services or procedures | 8 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)25 services
- Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)22 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure65%
- Arthritis52%
Hospitals where Tiffany M. Mullin works
Medicare's Facility Affiliation Data lists Tiffany M. Mullin at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Houston Methodist West HospitalHouston, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · CCN 670077
- Memorial Hermann Katy HospitalKaty, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · CCN 450847
Practice locations
Addresses where Tiffany M. Mullin is enrolled with Medicare (CMS data updated October 2, 2026).
- 21700 Kingsland Blvd, Suite 201Katy, TX 77450 (281) 398‑7954
Group practices
Medicare enrollment lists Tiffany M. Mullin as a member of this group (CMS data updated October 2, 2026).
- Medical Colleagues of Texas LLP12 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Katy
Clinicians with the same Medicare primary specialty in Katy, TX — not a recommendation.
Other clinicians in Medical Colleagues of Texas LLP
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2002 (24 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689610867 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians