Doctor profile · Federal record

Dr. Hollis Day, MD

Geriatric Medicine (Internal Medicine) Physician (CMS: Geriatric Medicine) · Internal Medicine Physician · Shapiro 9, Suite A, MA

  • NPI 1902878465
  • Accepts Medicare
  • 32 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
725 Albany Street, Benedum Geriatric Center, 4E,Muh
Shapiro 9, Suite A, MA 02118
(617) 638-6100
fax (617) 638-6179
Mailing address
720 Harrison Ave.,, Dob 503
Boston, MA 02118

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
November 6, 2015
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207RG0300X — NUCC code
State license (1)
Massachusetts #265302

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902878465. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
297
Distinct HCPCS
7
Medicare allowed
$39,512
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 91 54 $153
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 86 25 $126
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 46 23 $84
99214 Established patient office or other outpatient visit, 30-39 minutes 27 21 $104
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 20 20 $184
99205 New patient office or other outpatient visit, 60-74 minutes 15 15 $193
99239 Hospital discharge day management, more than 30 minutes 12 11 $123

In context: peer comparison

Among 1 peers in Shapiro 9, Suite A Geriatric Medicine (Internal Medicine) Physician, average services per provider: 42. This provider delivers 7.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
981
Patients
253
Total drug cost
$53,071
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 157 35 $965
Atorvastatin Calcium Generic 90 26 $1,252
Metoprolol Succinate Generic 87 19 $1,843
Losartan Potassium Generic 77 18 $804
Diclofenac Sodium Generic 69 25 $4,468
Gabapentin Generic 67 15 $799
Duloxetine Hcl Generic 62 13 $1,010
Famotidine Generic 59 16 $564
Omeprazole Generic 55 19 $725
Lisinopril Generic 51 18 $448

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Hollis Day's medical specialty?
Dr. Hollis Day practices Geriatric Medicine (Internal Medicine) Physician in Shapiro 9, Suite A, MA.
Where does Dr. Hollis Day practice?
Dr. Hollis Day practices at 725 Albany Street, Shapiro 9, Suite A, MA 02118. Office phone: 6176386100.
What is Dr. Hollis Day's NPI?
Dr. Hollis Day's National Provider Identifier (NPI) is 1902878465, issued by NPPES.
Does Dr. Hollis Day accept Medicare assignment?
Yes. Dr. Hollis Day accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hollis Day 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 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.