Doctor profile · Federal record

Dr. Eric Lao, MD

Internal Medicine Physician (CMS: Internal Medicine) · South Windsor, CT

  • NPI 1801878681
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
216 Hemlock Ave Ste 104
South Windsor, CT 060749607
(860) 697-6565
fax (860) 730-4661
Additional location
21 Woodland St Ste 311
Hartford, CT 061054318
(860) 527-6745
fax (860) 293-2021

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
June 22, 2021
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #209983

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801878681. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
691
Distinct HCPCS
10
Medicare allowed
$87,658
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 124 67 $130
99215 Established patient office or other outpatient visit, 40-54 minutes 123 74 $184
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 89 34 $111
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 63 63 $134
99497 Advance care planning, first 30 minutes 60 60 $85
99305 Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes 50 48 $139
99213 Established patient office or other outpatient visit, 20-29 minutes 45 37 $95
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 39 39 $15
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 37 19 $111
99204 New patient office or other outpatient visit, 45-59 minutes 21 21 $176

In context: peer comparison

Among 2 peers in South Windsor Internal Medicine Physician, average services per provider: 58. This provider delivers 12× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,442
Transactions
103
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 22 $499.77
Novo Nordisk INC 19 $398.63
Lilly USA, LLC 10 $247.92
GlaxoSmithKline, LLC. 8 $202.31
Astellas Pharma US INC 7 $192.68
Abbvie INC. 8 $189.87
Pfizer INC. 6 $131.88
Lundbeck LLC 5 $119.77
Exact Sciences Corporation 5 $111.87
Sumitomo Pharma America, INC. 3 $84.13
E.R. Squibb & Sons, L.L.C. 3 $73.38
Otsuka America Pharmaceutical, INC. 3 $68.58
Shield Therapeutics INC 2 $34.79
Novartis Pharmaceuticals Corporation 1 $26.30
Boehringer Ingelheim Pharmaceuticals, INC. 1 $24.42

By nature of payment

Food and Beverage
$2,435
Education
$7

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
6,268
Patients
896
Total drug cost
$217,422
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 714 131 $8,281
Levothyroxine Sodium Generic 670 83 $7,084
Trazodone Hcl Generic 553 68 $5,614
Gabapentin Generic 510 55 $7,143
Eliquis (Apixaban) Brand 490 51 $153,828
Furosemide Generic 436 49 $2,257
Amlodipine Besylate Generic 433 89 $2,712
Mirtazapine Generic 371 41 $6,312
Metoprolol Tartrate Generic 340 45 $3,205
Losartan Potassium Generic 333 52 $3,205

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Eric Lao's medical specialty?
Dr. Eric Lao practices Internal Medicine Physician in South Windsor, CT.
Where does Dr. Eric Lao practice?
Dr. Eric Lao practices at 216 Hemlock Ave Ste 104, South Windsor, CT 060749607. Office phone: 8606976565.
What is Dr. Eric Lao's NPI?
Dr. Eric Lao's National Provider Identifier (NPI) is 1801878681, issued by NPPES.
Does Dr. Eric Lao accept Medicare assignment?
Yes. Dr. Eric Lao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Eric Lao commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309). Source: CMS Medicare Physician & Other Practitioners file.