Maria Laynes, MD
NPI 1649270299 · Internal Medicine Physician · Mt Pleasant, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Laynes, MD is a Internal Medicine Physician provider in Mt Pleasant, MI (NPI 1649270299).
Provider details
- NPI number
- 1649270299
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- ML056805 (MI)
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
1,975 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) |
|---|---|---|
| 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 | 767 | $17 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 490 | $126 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 421 | $90 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 132 | $14 |
| Assessment of Emotional Or Behavioral Problems96127 | 50 | $4 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 84 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 944 | 274 |
| Methotrexate Sodiumbrand: Methotrexate | 887 | 244 |
| Prednisone | 860 | 299 |
| Leflunomide | 536 | 148 |
| Etanerceptbrand: Enbrel Sureclick | 397 | 52 |
| Sulfasalazine | 329 | 93 |
| Adalimumabbrand: Humira(cf) Pen |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$60 across 1 record (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
- 2005-07-26
- Last updated
- 2014-03-18
Frequently asked questions
- What is Maria Laynes's NPI number?
- Maria Laynes's National Provider Identifier (NPI) is 1649270299, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Laynes's specialty?
- Maria Laynes is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Laynes located?
- Maria Laynes's practice location on file with NPPES is 2480 W Campus Dr, Mt Pleasant, MI 48858-5414.
- What is Maria Laynes's phone number?
- The practice phone number listed in the NPPES registry for Maria Laynes is (989) 779-7200.
- Does Maria Laynes accept Medicare?
- Maria Laynes is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Laynes's NPI active?
- Yes — Maria Laynes's NPI (1649270299) is active in the NPPES registry as of the last update on 2014-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.