Marjorie Dale Sobil , RD, LDN
Dietitian, Registered • Greenfield, MA
329 Conway St
Greenfield, MA 013011521
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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Marjorie Sobil is listed in NPPES under Dietitian, Registered.
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NPI assigned on December 5, 2007; this date does not establish years in practice.
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Published CMS data list 511 Original Medicare Part B services in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Published rows only; this is not a quality measure.
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Published Part B service records, 2024:
- 97803 — Therapy procedure reassessment for nutrition management: 302 service units.
- 97802 — Therapy procedure for nutrition management: 209 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2023 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2024). CPT notice
See the full table · Guide: How to read Medicare Part B data
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More Medicare Part B services than 85% of clinicians listed under Dietitian, Registered in Massachusetts (2024, 67 clinicians with data). Median for this group: 141. Middle half: 77 to 237.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part B services went from 507 in 2020 to 511 in 2024.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2020–2024.
Practice Location & Contact Primary Location
329 Conway St
Greenfield, MA 013011521
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
NPPES lists 3 distinct additional practice-address records in Amherst, MA; Easthampton, MA; Florence, MA. See the list
Source: CMS NPPES NPI Registry, practice location records; release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
What Public CMS Data Show
Dietitian, Registered: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
81 people with Original Medicare in 2024
It gives a sense of how many people with Medicare this clinician treated that year.
Source: CMS, Medicare Physician & Other Practitioners – by Provider, 2024.
Medicare-allowed amount
About $14,570 in 2024
The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.
Paid by Medicare
About $14,570 in 2024
The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.
NPI first issued
2007
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Enrolled in Medicare (PECOS)
Marjorie Sobil has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Greenfield and Massachusetts
Billing and prescribing volume is not a quality rating.
Medicare Part B services
More Medicare Part B services than 85% of clinicians listed under Dietitian, Registered in Massachusetts (2024, 67 clinicians with data). Median for this group: 141. Middle half: 77 to 237.
Too few clinicians listed under Dietitian, Registered in Greenfield have Medicare Part B data for 2024 to compare.
Medicare-allowed amount
A higher Medicare-allowed amount than 85% of clinicians listed under Dietitian, Registered in Massachusetts (2024, 67 clinicians with data). Median for this group: $4,364. Middle half: $2,389 to $7,727.
Too few clinicians listed under Dietitian, Registered in Greenfield have Medicare Part B data for 2024 to compare.
Paid by Medicare
A higher Medicare payment amount than 85% of clinicians listed under Dietitian, Registered in Massachusetts (2024, 67 clinicians with data). Median for this group: $4,084. Middle half: $2,351 to $7,727.
Too few clinicians listed under Dietitian, Registered in Greenfield have Medicare Part B data for 2024 to compare.
10 active clinicians are listed under Dietitian, Registered with a practice address in Greenfield, MA (2,267 in Massachusetts).
Addresses are self-reported to NPPES and may be out of date.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
Medicare Part B services stayed about the same: 507 in 2020 and 511 in 2024.
- 2020: 507
- 2021: 509
- 2022: 431
- 2023: 486
- 2024: 511
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Medicare-allowed amount
Medicare-allowed amount stayed about the same: $15,618 in 2020 and $14,570 in 2024.
- 2020: $15,618
- 2021: $15,444
- 2022: $12,655
- 2023: $14,372
- 2024: $14,570
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Paid by Medicare
Paid by Medicare stayed about the same: $15,618 in 2020 and $14,570 in 2024.
- 2020: $15,618
- 2021: $15,444
- 2022: $12,655
- 2023: $14,372
- 2024: $14,570
Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2017–2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
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97803
Therapy procedure reassessment for nutrition management, each 15 minutes
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302 | 58 | $64.00 | $26.95 |
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97802
Therapy procedure for nutrition management, each 15 minutes
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209 | 53 | $74.00 | $30.77 |
Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2024-03-13NUCC Taxonomy Code: 133V00000X
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.
NUCC Taxonomy Code: 133N00000X
A specialist in adapting and applying food and nutrient knowledge to the solution of food and nutritional problems, the control of disease, and the promotion of health. Nutritionists perform research, instruct groups and individuals about nutritional requirements, and assist people in developing meal patterns that meet their nutritional needs; (2) A nutritionist is someone who has completed undergraduate and/or graduate training in the discipline of nutrition without necessarily meeting the academic and experience requirements to qualify for the Registered Dietitian designation.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - REGISTERED DIETITIAN OR NUTRITION PROFESSIONAL
I20050801000058
MA
4981632924
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Secondary Practice Locations
70 Main St
Florence, MA 01062
Phone: 4135868400
238 Northampton St
Easthampton, MA 010271046
Phone: 4135299300
31 Hall Dr
Amherst, MA 010022751
Phone: 4132568561
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Psychologist - Clinical
Doctor of Education (Ed.D.)
Nurse Practitioner
Nurse Practitioner
Nurse Practitioner - Family
Advanced Practice Registered Nurse
Family Medicine
Doctor of Medicine (M.D.)
Internal Medicine
Doctor of Medicine (M.D.)
Internal Medicine - Rheumatology
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 329 CONWAY ST, GREENFIELD, MA 013011521 (Tel: 4137746301)
Registered at 329 CONWAY ST, GREENFIELD, MA 013011521 (Tel: 4137746301)
Additional practice office at 70 Main St, Florence, MA 01062
Additional practice office at 31 Hall Dr, Amherst, MA 010022751
Additional practice office at 238 Northampton St, Easthampton, MA 010271046
Dietitian, Registered (license number reported to NPPES: MA 1240)
NPI status registered as active in NPPES database
Registered at 31 HALL DR, AMHERST, MA 010022751 (Tel: 4132568561)
Registered at 31 HALL DR, AMHERST, MA 010022751 (Tel: 4132568561)
Recorded as MARJORIE SOBIL, RD, LDN
Nutritionist (license number reported to NPPES: MA 1240)
First registered as active Individual Practitioner in NPPES Database.
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Mailing Address
329 Conway St
Greenfield, MA 013011521
Phone: 4137746301