Mariah Greenwood, PA
NPI 1497436265 · Physician Assistant · New London, CT
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariah Greenwood, PA is a Physician Assistant provider in New London, CT (NPI 1497436265).
Provider details
- NPI number
- 1497436265
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
2 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
459 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 372 | $80 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 66 | $114 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 21 | $80 |
Typical Medicare-allowed amounts for these services range $80–$114 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 122 | 37 |
| Clonazepam | 100 | 17 |
| Pramipexole Di-Hclbrand: Pramipexole Dihydrochloride | 75 | 24 |
| Zolpidem Tartrate | 46 | 13 |
| Alprazolam | 41 | — |
| Modafinil | 40 | 12 |
| Fluticasone Propionate | 35 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$123 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
- 2023-07-26
- Last updated
- 2023-07-31
- Certified
- 2023-07-31
Frequently asked questions
- What is Mariah Greenwood's NPI number?
- Mariah Greenwood's National Provider Identifier (NPI) is 1497436265, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariah Greenwood's specialty?
- Mariah Greenwood is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mariah Greenwood located?
- Mariah Greenwood's practice location on file with NPPES is 194 Howard St, New London, CT 06320-5544.
- What is Mariah Greenwood's phone number?
- The practice phone number listed in the NPPES registry for Mariah Greenwood is (860) 444-3392.
- Does Mariah Greenwood accept Medicare?
- Mariah Greenwood is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariah Greenwood's NPI active?
- Yes — Mariah Greenwood's NPI (1497436265) is active in the NPPES registry as of the last update on 2023-07-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.