Marylin Pierre-Louis, M.D.
NPI 1568409274 · Family Medicine Physician · Morristown, NJ
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marylin Pierre-Louis, M.D. is a Family Medicine Physician provider in Morristown, NJ (NPI 1568409274).
Provider details
- NPI number
- 1568409274
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MA63059 (NJ)
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
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
426 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) |
|---|---|---|
| Residence Visit for Established Patient With Straightforward Medical Decision Making, Per Day, If Using Time, at Least 15 Minutes99347 | 187 | $48 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 159 | $81 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 50 | $135 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 19 | $141 |
| Transitional Care Management Services for Problem of High Complexity99496 | 11 | $304 |
Typical Medicare-allowed amounts for these services range $48–$304 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 103 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 249 | 40 |
| Amlodipine Besylate | 196 | 38 |
| Levothyroxine Sodium | 185 | 35 |
| Losartan Potassium | 163 | 30 |
| Escitalopram Oxalate | 155 | 22 |
| Donepezil Hcl | 136 | 14 |
| Furosemide | 120 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$64 across 3 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
- 2006-06-01
- Last updated
- 2019-05-08
Frequently asked questions
- What is Marylin Pierre-Louis's NPI number?
- Marylin Pierre-Louis's National Provider Identifier (NPI) is 1568409274, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marylin Pierre-Louis's specialty?
- Marylin Pierre-Louis is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marylin Pierre-Louis located?
- Marylin Pierre-Louis's practice location on file with NPPES is 435 South St Ste 220a, Morristown, NJ 07960-6477.
- What is Marylin Pierre-Louis's phone number?
- The practice phone number listed in the NPPES registry for Marylin Pierre-Louis is (973) 971-4222.
- Does Marylin Pierre-Louis accept Medicare?
- Marylin Pierre-Louis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marylin Pierre-Louis's NPI active?
- Yes — Marylin Pierre-Louis's NPI (1568409274) is active in the NPPES registry as of the last update on 2019-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.