Linda Polonsky, M.D.
NPI 1396770483 · Obstetrics & Gynecology Physician · Greenfield, MA
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Linda Polonsky, M.D. is a Obstetrics & Gynecology Physician provider in Greenfield, MA (NPI 1396770483).
Provider details
- NPI number
- 1396770483
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 160335 (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
19 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
131 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 67 | $96 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 42 | $65 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 11 | $81 |
| Cervical Or Vaginal Cancer Screening; Pelvic and Clinical Breast ExaminationG0101 | 11 | $27 |
Typical Medicare-allowed amounts for these services range $27–$96 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Estradiol | 101 | 37 |
| Estradiolbrand: Estradiol (once Weekly) | 22 | — |
| Medroxyprogesterone Acetate | 14 | — |
| Estradiolbrand: Yuvafem | 14 | — |
| Valacyclovir Hclbrand: Valacyclovir | 13 | — |
| Gabapentin | 12 | — |
| Clobetasol Propionate | 11 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-11
- Last updated
- 2018-01-19
Frequently asked questions
- What is Linda Polonsky's NPI number?
- Linda Polonsky's National Provider Identifier (NPI) is 1396770483, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Linda Polonsky's specialty?
- Linda Polonsky is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Linda Polonsky located?
- Linda Polonsky's practice location on file with NPPES is 48 Sanderson St, Greenfield, MA 01301-2778.
- What is Linda Polonsky's phone number?
- The practice phone number listed in the NPPES registry for Linda Polonsky is (413) 773-2200.
- Does Linda Polonsky accept Medicare?
- Linda Polonsky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Linda Polonsky's NPI active?
- Yes — Linda Polonsky's NPI (1396770483) is active in the NPPES registry as of the last update on 2018-01-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.