Doctor profile · Federal record

Dr. Piotr Grabias, M.D.

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

  • NPI 1508847419
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
340 Thompson RD, Suite 108
Webster, MA 015701509
(508) 949-1988
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
November 4, 2020
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #213568
Medicaid
MA #0199231

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508847419. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
819
Distinct HCPCS
10
Medicare allowed
$92,528
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 147 102 $183
93793 Anticoagulant management of patient taking warfarin 127 12 $12
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 116 114 $175
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 113 113 $132
99214 Established patient office or other outpatient visit, 30-39 minutes 96 73 $130
99213 Established patient office or other outpatient visit, 20-29 minutes 93 68 $91
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 50 37 $54
G0008 Administration of influenza virus vaccine 32 32 $34
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 29 29 $76
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 16 16 $131

In context: peer comparison

Among 4 peers in Webster Internal Medicine Physician, average services per provider: 98. This provider delivers 8.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$68
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 1 $26.69
Exact Sciences Corporation 1 $21.75
Pfizer INC. 1 $19.13

By nature of payment

Food and Beverage
$68

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,798
Patients
653
Total drug cost
$131,888
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 401 105 $8,904
Lisinopril Generic 399 95 $5,356
Levothyroxine Sodium Generic 255 52 $4,046
Amlodipine Besylate Generic 211 49 $2,353
Metoprolol Succinate Generic 190 44 $4,243
Simvastatin Generic 182 48 $2,845
Oxycodone Hcl Generic 151 17 $4,329
Escitalopram Oxalate Generic 132 28 $2,077
Pantoprazole Sodium Generic 132 29 $2,682
Omeprazole Generic 129 39 $3,851

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Piotr Grabias's medical specialty?
Dr. Piotr Grabias practices Internal Medicine Physician in Webster, MA.
Where does Dr. Piotr Grabias practice?
Dr. Piotr Grabias practices at 340 Thompson RD, Webster, MA 015701509. Office phone: 5089491988.
What is Dr. Piotr Grabias's NPI?
Dr. Piotr Grabias's National Provider Identifier (NPI) is 1508847419, issued by NPPES.
Does Dr. Piotr Grabias accept Medicare assignment?
Yes. Dr. Piotr Grabias accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Piotr Grabias commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Anticoagulant management of patient taking warfarin (HCPCS 93793); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.