Marcy Lim, M.D.
NPI 1578671392 · Cardiovascular Disease Physician · Humble, TX
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcy Lim, M.D. is a Cardiovascular Disease Physician provider in Humble, TX (NPI 1578671392).
Provider details
- NPI number
- 1578671392
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- K0893 (TX)
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
6,096 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 | 1,498 | $129 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 1,095 | $14 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 438 | $92 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 430 | $9 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 223 | $187 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 98 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 1,095 | 363 |
| Rosuvastatin Calcium | 801 | 281 |
| Amlodipine Besylate | 758 | 257 |
| Atorvastatin Calcium | 659 | 214 |
| Losartan Potassium | 549 | 183 |
| Apixabanbrand: Eliquis | 470 | 131 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$927 across 27 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
- 2006-08-29
- Last updated
- 2026-05-19
- Certified
- 2026-05-19
Frequently asked questions
- What is Marcy Lim's NPI number?
- Marcy Lim's National Provider Identifier (NPI) is 1578671392, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcy Lim's specialty?
- Marcy Lim is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Marcy Lim located?
- Marcy Lim's practice location on file with NPPES is 18450 Highway 59 N, Humble, TX 77338-4404.
- What is Marcy Lim's phone number?
- The practice phone number listed in the NPPES registry for Marcy Lim is (281) 446-6656.
- Does Marcy Lim accept Medicare?
- Marcy Lim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcy Lim's NPI active?
- Yes — Marcy Lim's NPI (1578671392) is active in the NPPES registry as of the last update on 2026-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.