Doctor profile · Federal record

Dr. Harmony Allison, MD

Gastroenterology Physician (CMS: Gastroenterology) · Boston, MA

  • NPI 1245240704
  • Accepts Medicare
  • 23 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
800 Washington St, #233
Boston, MA 021111552
(617) 636-5883

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 21, 2010
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Massachusetts #226967

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245240704. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
412
Distinct HCPCS
10
Medicare allowed
$49,367
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 77 40 $85
99213 Established patient office or other outpatient visit, 20-29 minutes 71 62 $70
99214 Established patient office or other outpatient visit, 30-39 minutes 51 49 $101
45380 Biopsy of large bowel using a flexible endoscope 49 49 $112
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 46 46 $270
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 39 38 $114
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 26 26 $135
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 14 14 $113
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $134
99238 Hospital discharge day management, 30 minutes or less 14 14 $87

In context: peer comparison

Among 78 peers in Boston Gastroenterology Physician, average services per provider: 56. This provider delivers 7.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$795
Transactions
4
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 4 $794.75

By nature of payment

Travel and Lodging
$771
Food and Beverage
$24

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
464
Patients
158
Total drug cost
$119,765
Drug Type Claims Patients Total cost
Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 95 93 $1,780
Omeprazole Generic 80 25 $1,716
Famotidine Generic 72 23 $3,685
Pantoprazole Sodium Generic 62 17 $1,480
Linzess (Linaclotide) Brand 32 0 $23,867
Colestipol Hcl Generic 24 0 $1,596
Mesalamine Generic 14 0 $15,159
Creon (Lipase/Protease/Amylase) Brand 13 0 $56,992
Motegrity (Prucalopride Succinate) Brand 13 0 $7,122
Budesonide Dr (Budesonide) Brand 12 0 $1,414

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Harmony Allison's medical specialty?
Dr. Harmony Allison practices Gastroenterology Physician in Boston, MA.
Where does Dr. Harmony Allison practice?
Dr. Harmony Allison practices at 800 Washington St, Boston, MA 021111552. Office phone: 6176365883.
What is Dr. Harmony Allison's NPI?
Dr. Harmony Allison's National Provider Identifier (NPI) is 1245240704, issued by NPPES.
Does Dr. Harmony Allison accept Medicare assignment?
Yes. Dr. Harmony Allison accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Harmony Allison commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.