Mary Li, M.D.
NPI 1275503971 · Medical Oncology Physician · Spring Hill, FL
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Li, M.D. is a Medical Oncology Physician provider in Spring Hill, FL (NPI 1275503971).
Provider details
- NPI number
- 1275503971
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- ME84859 (FL)
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
20 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
16,779 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) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 3,153 | $8 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 2,835 | $9 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 1,969 | $14 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 1,239 | $14 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,050 | $88 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 210 | 53 |
| Anastrozole | 85 | 28 |
| Apixabanbrand: Eliquis | 80 | 19 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 78 | 17 |
| Lenalidomidebrand: Revlimid | 73 | — |
| Zanubrutinibbrand: Brukinsa | 69 | — |
| Potassium Chloride | 63 | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$7,133 across 188 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
- 2006-01-25
- Last updated
- 2022-08-10
- Certified
- 2022-08-10
Frequently asked questions
- What is Mary Li's NPI number?
- Mary Li's National Provider Identifier (NPI) is 1275503971, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Li's specialty?
- Mary Li is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Li located?
- Mary Li's practice location on file with NPPES is 7154 Medical Center Dr, Spring Hill, FL 34608-1329.
- What is Mary Li's phone number?
- The practice phone number listed in the NPPES registry for Mary Li is (352) 596-1926.
- Does Mary Li accept Medicare?
- Mary Li is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Li's NPI active?
- Yes — Mary Li's NPI (1275503971) is active in the NPPES registry as of the last update on 2022-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.