Maria Aurora Lim, M.D.
NPI 1821227661 · Family Medicine Physician · Lowell, MA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Aurora Lim, M.D. is a Family Medicine Physician provider in Lowell, MA (NPI 1821227661).
Provider details
- NPI number
- 1821227661
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MT194618 (PA)
Specialties & taxonomies
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
16 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
853 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 | 227 | $138 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 214 | $97 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 74 | $141 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 54 | $9 |
| Hemoglobin A1c Level83036 | 46 | $9 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 41 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 149 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 837 | 275 |
| Lisinopril | 621 | 204 |
| Metformin Hcl | 546 | 165 |
| Omeprazole | 462 | 151 |
| Amlodipine Besylate | 454 | 157 |
| Metoprolol Succinate | 377 | 124 |
| Simvastatin | 369 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$923 across 46 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
- 2009-07-14
- Last updated
- 2016-11-04
Frequently asked questions
- What is Maria Aurora Lim's NPI number?
- Maria Aurora Lim's National Provider Identifier (NPI) is 1821227661, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Aurora Lim's specialty?
- Maria Aurora Lim is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Aurora Lim located?
- Maria Aurora Lim's practice location on file with NPPES is 135 Jackson St, Lowell, MA 01852-2103.
- What is Maria Aurora Lim's phone number?
- The practice phone number listed in the NPPES registry for Maria Aurora Lim is (978) 441-1700.
- Does Maria Aurora Lim accept Medicare?
- Maria Aurora Lim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Aurora Lim's NPI active?
- Yes — Maria Aurora Lim's NPI (1821227661) is active in the NPPES registry as of the last update on 2016-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.