Mary Baker-Berzansky, MD
NPI 1790782852 · Obstetrics & Gynecology Physician · Haverhill, MA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Baker-Berzansky, MD is a Obstetrics & Gynecology Physician provider in Haverhill, MA (NPI 1790782852).
Provider details
- NPI number
- 1790782852
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 76761 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
676 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 193 | $91 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 125 | $127 |
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 85 | $39 |
| Ultrasound Scan of Uterus, Ovaries, Tubes, Cervix and Pelvic Area Through Vagina76830 | 31 | $32 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 29 | $57 |
| Pessary, Reusable, Non Rubber, Any TypeA4562 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 302 | 139 |
| Estradiolbrand: Estradiol (once Weekly) | 57 | 17 |
| Betamethasone/Propylene Glycbrand: Betamethasone Diprop Augmented | 56 | 35 |
| Mirabegronbrand: Myrbetriq | 55 | 17 |
| Estradiolbrand: Yuvafem | 54 | 23 |
| Metronidazole | 51 | 33 |
| Vibegronbrand: Gemtesa | 46 | 18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-05
- Last updated
- 2011-03-16
Frequently asked questions
- What is Mary Baker-Berzansky's NPI number?
- Mary Baker-Berzansky's National Provider Identifier (NPI) is 1790782852, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Baker-Berzansky's specialty?
- Mary Baker-Berzansky is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Baker-Berzansky located?
- Mary Baker-Berzansky's practice location on file with NPPES is 2 Water St, Haverhill, MA 01830-6223.
- What is Mary Baker-Berzansky's phone number?
- The practice phone number listed in the NPPES registry for Mary Baker-Berzansky is (978) 556-0100.
- Does Mary Baker-Berzansky accept Medicare?
- Mary Baker-Berzansky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Baker-Berzansky's NPI active?
- Yes — Mary Baker-Berzansky's NPI (1790782852) is active in the NPPES registry as of the last update on 2011-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.