Mark Chin-Lenn, M.D.
NPI 1265477509 · Family Medicine Physician · Hollywood, FL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Chin-Lenn, M.D. is a Family Medicine Physician provider in Hollywood, FL (NPI 1265477509).
Provider details
- NPI number
- 1265477509
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- ME89650 (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
834 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 | 510 | $129 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 102 | $17 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 81 | $130 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 50 | $15 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 31 | $57 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 114 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 275 | 86 |
| Atorvastatin Calcium | 184 | 86 |
| Simvastatin | 146 | 64 |
| Amlodipine Besylate | 145 | 61 |
| Alprazolam | 131 | 44 |
| Liothyronine Sodium | 118 | 41 |
| Ezetimibe | 104 | 33 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,225 across 108 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
- 2006-06-19
- Last updated
- 2023-03-07
- Certified
- 2022-08-25
Frequently asked questions
- What is Mark Chin-Lenn's NPI number?
- Mark Chin-Lenn's National Provider Identifier (NPI) is 1265477509, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Chin-Lenn's specialty?
- Mark Chin-Lenn is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Chin-Lenn located?
- Mark Chin-Lenn's practice location on file with NPPES is 4040 Sheridan St, Hollywood, FL 33021-3536.
- What is Mark Chin-Lenn's phone number?
- The practice phone number listed in the NPPES registry for Mark Chin-Lenn is (954) 322-7166.
- Does Mark Chin-Lenn accept Medicare?
- Mark Chin-Lenn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Chin-Lenn's NPI active?
- Yes — Mark Chin-Lenn's NPI (1265477509) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.