Thomas Phan, MD
NPI 1972999753 · Interventional Pain Medicine Physician · Fullerton, CA
Enrolled with Medicare as Practitioner - Physical Medicine and Rehabilitation · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Phan, MD is a Interventional Pain Medicine Physician provider in Fullerton, CA (NPI 1972999753).
Provider details
- NPI number
- 1972999753
- Entity type
- Individual
- Primary specialty
- Interventional Pain Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D89189 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
11 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
1,910 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 | 634 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 218 | $92 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 146 | $168 |
| Needle Measurement of Electrical Activity in Arm Or Leg Muscles, Complete Study95886 | 89 | $97 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Single Level64483 | 54 | $295 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 316 | 77 |
| Oxycodone Hcl | 207 | 24 |
| Meloxicam | 106 | 36 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 97 | 22 |
| Tramadol Hcl | 94 | 34 |
| Cyclobenzaprine Hcl | 81 | 23 |
| Pregabalin | 73 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$108 across 4 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
- 2015-04-08
- Last updated
- 2025-08-01
- Certified
- 2025-08-01
Frequently asked questions
- What is Thomas Phan's NPI number?
- Thomas Phan's National Provider Identifier (NPI) is 1972999753, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Phan's specialty?
- Thomas Phan is listed in the NPPES registry with a primary specialty of Interventional Pain Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Phan located?
- Thomas Phan's practice location on file with NPPES is 150 Laguna Rd Ste a, Fullerton, CA 92835-3615.
- What is Thomas Phan's phone number?
- The practice phone number listed in the NPPES registry for Thomas Phan is (714) 525-8822.
- Does Thomas Phan accept Medicare?
- Thomas Phan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Phan's NPI active?
- Yes — Thomas Phan's NPI (1972999753) is active in the NPPES registry as of the last update on 2025-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.