Doctor profile · Federal record

Dr. Rachel Ackerman, MD

Internal Medicine Physician (CMS: Internal Medicine) · Waltham, MA

  • NPI 1376923094
  • Accepts Medicare
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
355 Waverly Oaks RD Ste 200
Waltham, MA 02452
(781) 647-6920
Additional location
800 Washington St
Boston, MA 021111552
(617) 636-5000
Mailing address
330 Mt Auburn St, Parsons 2
Cambridge, MA 02138

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
August 11, 2024
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #1013684

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376923094. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
65
Distinct HCPCS
1
Medicare allowed
$8,913
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 65 64 $137

In context: peer comparison

Among 11 peers in Waltham Internal Medicine Physician, average services per provider: 70. This provider delivers 0.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,455
Patients
591
Total drug cost
$26,705
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 306 112 $6,609
Losartan Potassium Generic 172 72 $3,757
Levothyroxine Sodium Generic 132 58 $2,544
Amlodipine Besylate Generic 114 52 $1,047
Metformin Hcl Generic 96 35 $1,185
Lisinopril Generic 89 39 $781
Metoprolol Succinate Generic 81 33 $1,712
Simvastatin Generic 81 34 $1,181
Rosuvastatin Calcium Generic 78 25 $3,112
Omeprazole Generic 65 24 $959

Frequently asked questions

Auto-generated from federal data
What is Dr. Rachel Ackerman's medical specialty?
Dr. Rachel Ackerman practices Internal Medicine Physician in Waltham, MA.
Where does Dr. Rachel Ackerman practice?
Dr. Rachel Ackerman practices at 355 Waverly Oaks RD Ste 200, Waltham, MA 02452. Office phone: 7816476920.
What is Dr. Rachel Ackerman's NPI?
Dr. Rachel Ackerman's National Provider Identifier (NPI) is 1376923094, issued by NPPES.
Does Dr. Rachel Ackerman accept Medicare assignment?
Yes. Dr. Rachel Ackerman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rachel Ackerman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.