Ellen Fan, M.D.
NPI 1134153646 · Geriatric Psychiatry Physician · Plano, TX
Enrolled with Medicare as Practitioner - Geriatric Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ellen Fan, M.D. is a Geriatric Psychiatry Physician provider in Plano, TX (NPI 1134153646).
Provider details
- NPI number
- 1134153646
- Entity type
- Individual
- Primary specialty
- Geriatric Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- K8897 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
634 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 151 | $96 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 142 | $114 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 129 | $96 |
| Initial Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 35 Minutes99305 | 87 | $119 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 39 | $69 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 99 | 20 |
| Escitalopram Oxalate | 74 | 11 |
| Clonazepam | 61 | — |
| Trazodone Hcl | 55 | — |
| Sertraline Hcl | 55 | 15 |
| Mirtazapine | 50 | 11 |
| Divalproex Sodium | 49 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-10
- Last updated
- 2013-06-05
Frequently asked questions
- What is Ellen Fan's NPI number?
- Ellen Fan's National Provider Identifier (NPI) is 1134153646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Fan's specialty?
- Ellen Fan is listed in the NPPES registry with a primary specialty of Geriatric Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Ellen Fan located?
- Ellen Fan's practice location on file with NPPES is 3308 Preston Rd, Plano, TX 75093-7453.
- What is Ellen Fan's phone number?
- The practice phone number listed in the NPPES registry for Ellen Fan is (972) 769-8572.
- Does Ellen Fan accept Medicare?
- Ellen Fan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ellen Fan's NPI active?
- Yes — Ellen Fan's NPI (1134153646) is active in the NPPES registry as of the last update on 2013-06-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.