Doctor profile · Federal record
Dr. Sarah Mazerall, MBA, MS, RD, LDN
Registered Dietitian (CMS: Registered Dietitian or Nutrition Professional) · Boston, MA
- NPI 1972733483
- Accepts Medicare
- 18 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
133 Brookline Ave
Boston, MA 022153904
(617) 629-6444
fax (617) 629-6070
Credentials & registration
- NPI registered
- July 2009 — 17 yrs on file
- Profile last updated
- October 29, 2015
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 133V00000X — NUCC code
- State license (1)
- Massachusetts #2734
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1972733483. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
55
Distinct HCPCS
1
Medicare allowed
$1,616
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
97803 |
Therapy procedure reassessment for nutrition management, each 15 minutes | 55 | 21 | $29 |
In context: peer comparison
Among 2 peers in Boston Registered Dietitian, average services per provider: 48. This provider delivers 1.1× the peer median.Frequently asked questions
What is Dr. Sarah Mazerall's medical specialty?
Dr. Sarah Mazerall practices Registered Dietitian in Boston, MA.
Where does Dr. Sarah Mazerall practice?
Dr. Sarah Mazerall practices at 133 Brookline Ave, Boston, MA 022153904. Office phone: 6176296444.
What is Dr. Sarah Mazerall's NPI?
Dr. Sarah Mazerall's National Provider Identifier (NPI) is 1972733483, issued by NPPES.
Does Dr. Sarah Mazerall accept Medicare assignment?
Yes. Dr. Sarah Mazerall accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sarah Mazerall commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure reassessment for nutrition management (HCPCS 97803). Source: CMS Medicare Physician & Other Practitioners file.