Mary Grey Maher, M.D.
NPI 1972539930 · Urology Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Grey Maher, M.D. is a Urology Physician provider in New Haven, CT (NPI 1972539930).
Provider details
- NPI number
- 1972539930
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 042767 (CT)
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
989 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 | 206 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 187 | $110 |
| 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 | 117 | $17 |
| 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 | 99 | $17 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Vibegronbrand: Gemtesa | 631 | 163 |
| Mirabegronbrand: Myrbetriq | 367 | 95 |
| Solifenacin Succinate | 286 | 71 |
| Potassium Citratebrand: Potassium Citrate Er | 210 | 59 |
| Trospium Chloride | 207 | 68 |
| Methenamine Hippurate | 194 | 51 |
| Estradiol | 188 | 96 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$156 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
- 2006-06-23
- Last updated
- 2014-02-05
Frequently asked questions
- What is Mary Grey Maher's NPI number?
- Mary Grey Maher's National Provider Identifier (NPI) is 1972539930, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Grey Maher's specialty?
- Mary Grey Maher is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Grey Maher located?
- Mary Grey Maher's practice location on file with NPPES is 330 Orchard St, New Haven, CT 06511-4417.
- What is Mary Grey Maher's phone number?
- The practice phone number listed in the NPPES registry for Mary Grey Maher is (203) 789-2222.
- Does Mary Grey Maher accept Medicare?
- Mary Grey Maher is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Grey Maher's NPI active?
- Yes — Mary Grey Maher's NPI (1972539930) is active in the NPPES registry as of the last update on 2014-02-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.