Doctor profile · Federal record

Dr. Andrew Siber, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Uxbridge, MA

  • NPI 1083787220
  • Accepts Medicare
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
281 E Hartford Ave
Uxbridge, MA 015691278
(508) 278-5573
fax (508) 278-8477
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
October 28, 2020
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #230472

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083787220. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
571
Distinct HCPCS
7
Medicare allowed
$36,594
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 237 159 $75
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 155 155 $51
99213 Established patient office or other outpatient visit, 20-29 minutes 104 81 $61
G0180 Physician or allowed practitioner 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 and 29 21 $54
99495 Transitional care management services for problem of at least moderate complexity 20 17 $81
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 15 14 $8
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment 11 11 $115

In context: peer comparison

Among 7 peers in this city , average services per provider: 78. This provider delivers 7.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,883
Patients
743
Total drug cost
$161,671
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 603 152 $15,830
Lisinopril Generic 319 82 $3,588
Amlodipine Besylate Generic 236 64 $2,156
Losartan Potassium Generic 220 58 $3,644
Omeprazole Generic 179 48 $3,465
Hydrochlorothiazide Generic 177 48 $891
Metoprolol Succinate Generic 153 41 $4,034
Rosuvastatin Calcium Generic 152 48 $11,301
Levothyroxine Sodium Generic 151 30 $1,888
Metformin Hcl Generic 135 34 $1,250

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Andrew Siber's medical specialty?
Dr. Andrew Siber practices Internal Medicine Physician in Uxbridge, MA.
Where does Dr. Andrew Siber practice?
Dr. Andrew Siber practices at 281 E Hartford Ave, Uxbridge, MA 015691278. Office phone: 5082785573.
What is Dr. Andrew Siber's NPI?
Dr. Andrew Siber's National Provider Identifier (NPI) is 1083787220, issued by NPPES.
Does Dr. Andrew Siber accept Medicare assignment?
Yes. Dr. Andrew Siber accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Andrew Siber commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.