Doctor profile · Federal record

Dr. Allyson Bloom, M.D.

Internal Medicine Physician (CMS: Infectious Disease) · Boston, MA

  • NPI 1245367689
  • Accepts Medicare
  • 22 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
729 Massachusetts Ave
Boston, MA 021182318
(781) 221-6565
Mailing address
48 Beacon St, Apartment 7F
Boston, MA 021083641

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
August 30, 2007
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #221262

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245367689. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
102
Distinct HCPCS
3
Medicare allowed
$11,831
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 40 30 $153
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 36 13 $84
99214 Established patient office or other outpatient visit, 30-39 minutes 26 20 $104

In context: peer comparison

Among 547 peers in this city , average services per provider: 81. This provider delivers 1.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
90
Patients
0
Total drug cost
$187,658
Drug Type Claims Patients Total cost
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 40 0 $160,457
Gabapentin Generic 16 0 $382
Percocet (Oxycodone Hcl/Acetaminophen) Brand 12 0 $26,334
Gentamicin Sulfate Generic 11 0 $78
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 11 0 $407

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Allyson Bloom's medical specialty?
Dr. Allyson Bloom practices Internal Medicine Physician in Boston, MA.
Where does Dr. Allyson Bloom practice?
Dr. Allyson Bloom practices at 729 Massachusetts Ave, Boston, MA 021182318. Office phone: 7812216565.
What is Dr. Allyson Bloom's NPI?
Dr. Allyson Bloom's National Provider Identifier (NPI) is 1245367689, issued by NPPES.
Does Dr. Allyson Bloom accept Medicare assignment?
Yes. Dr. Allyson Bloom accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Allyson Bloom commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.