Tammy Leong, M.D.
NPI 1477615425 · Internal Medicine Physician · Birmingham, AL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tammy Leong, M.D. is a Internal Medicine Physician provider in Birmingham, AL (NPI 1477615425).
Provider details
- NPI number
- 1477615425
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 20129 (AL)
Specialties & taxonomies
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
1,184 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 | 214 | $114 |
| Hemoglobin A1c Level83036 | 106 | $10 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 102 | $7 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 87 | $8 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 72 | $13 |
| Blood Test, Basic Group of Blood Chemicals (calcium, Total)80048 | 71 | $8 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 154 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 307 | 107 |
| Gabapentin | 267 | 67 |
| Levothyroxine Sodium | 261 | 81 |
| Amlodipine Besylate | 245 | 95 |
| Alprazolam | 212 | 39 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 211 | 31 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$710 across 40 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
- 2006-12-15
- Last updated
- 2014-07-14
Frequently asked questions
- What is Tammy Leong's NPI number?
- Tammy Leong's National Provider Identifier (NPI) is 1477615425, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tammy Leong's specialty?
- Tammy Leong is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tammy Leong located?
- Tammy Leong's practice location on file with NPPES is 7191 Cahaba Valley Rd, Birmingham, AL 35242-6402.
- What is Tammy Leong's phone number?
- The practice phone number listed in the NPPES registry for Tammy Leong is (205) 930-2060.
- Does Tammy Leong accept Medicare?
- Tammy Leong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tammy Leong's NPI active?
- Yes — Tammy Leong's NPI (1477615425) is active in the NPPES registry as of the last update on 2014-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.