Doctor profile · Federal record

Dr. SERENA CHAO, M.D.

Geriatric Medicine (Internal Medicine) Physician (CMS: GERIATRIC MEDICINE) · Geriatric Medicine (Internal Medicine) Physician · Internal Medicine Physician · LEBANON, NH

  • NPI 1053375840
  • Accepts Medicare
  • 28 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1 MEDICAL CENTER DR # 1000
LEBANON, NH 037560001
(603) 650-5000
fax (603) 640-1228
Additional location
1493 Cambridge St
Cambridge, MA 021391099
(617) 665-3100

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
December 10, 2025
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RG0300X — NUCC code
State licenses (2)
New Hampshire #34559 · Massachusetts #220496
Medicaid
MA #110038022A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1053375840. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
236
Distinct HCPCS
5
Medicare allowed
$22,759
HCPCS Description Services Patients Avg allowed
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 110 57 $115
G0179 Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a 73 35 $47
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 25 20 $138
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 16 12 $80
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 12 12 $165

In context: peer comparison

Among 2 peers in this city , average services per provider: 51. This provider delivers 4.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,466
Patients
266
Total drug cost
$55,950
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 230 46 $3,703
Trazodone Hcl Generic 145 28 $1,043
Quetiapine Fumarate Generic 120 12 $2,495
Eliquis (Apixaban) Brand 104 16 $33,281
Pantoprazole Sodium Generic 99 17 $1,455
Metoprolol Succinate Generic 92 23 $1,117
Sertraline Hcl Generic 92 13 $777
Levothyroxine Sodium Generic 83 14 $745
Olanzapine Generic 81 12 $3,750
Lisinopril Generic 79 16 $585