Margaret Anne Ferry, MD
Endocrinology (CMS) · Greenfield, MA
At a glance
33 Riddell St, Greenfield, MA 01301
NPPES record updated Oct 16, 2020. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
33 Riddell St Suite 8Greenfield, MA 01301
Education & affiliations
- Medical / professional school
- Hahnemann University College Of Medicine
- Graduation year
- 1990
- CMS specialties
- Endocrinology
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Reported hospital affiliations
- Athol Memorial Hospital Athol, MA
- Baystate Franklin Medical Center Greenfield, MA
- Berkshire Medical Center Pittsfield, MA
- Brattleboro Memorial Hospital Brattleboro, VT
- Cooley Dickinson Hospital Inc,The Northampton, MA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Reported clinician measures
Measures below describe reported clinician performance in the stated period. They do not form an overall HCPList rating, and reporting differs between clinicians.
Published clinical measures
- Screening for Osteoporosis for Women Aged 65-85 Years of Age
- 75%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_039_overall. Collection type: REG. Measure denominator: 240.
- Documentation of Current Medications in the Medical Record
- 96%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_130_overall. Collection type: EHR. Measure denominator: 2336.
- Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
- 91%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_226_performance. Collection type: EHR. Measure denominator: 58.
See all 5 reported measures
- Controlling High Blood Pressure
- 52%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_236_overall. Collection type: CLM. Measure denominator: 95.
- Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
- 44%2024Published MIPS performance rate. Higher rates indicate better performance for this measure. Measure: MIPS_EC_317_overall. Collection type: EHR. Measure denominator: 352.
Source: PY 2024 Clinician Public Reporting: MIPS Measures and Attestations · Published Sep 10, 2026.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Endocrinology (CMS)
- Taxonomy code
- 207RE0101X
- Enumeration date
- Sep 7, 2006
- Record updated
- Oct 16, 2020
More registry details
- Provider type
- Individual · Type 1
- Other reported name
- MARGARET ANNE CASTROVINCI
- Reported credentials
- MD
Reported taxonomies and licenses
207RE0101X · Primary
License reported: 81348 MA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
33 Riddell StSuite 8
Greenfield, MA 01301
- Phone
- (413) 773-7400
- Fax
- (413) 773-9484
Mailing address
33 RIDDELL STSUITE 8
GREENFIELD, MA 01301
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
Report a directory issue