Doctor profile · Federal record

Dr. Collins Sein, MD

Internal Medicine Physician · Waldorf, MD

  • NPI 1699769554
  • MIPS 18.7 / 100 · 2023
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3460 Old Washington RD, Suite 203A
Waldorf, MD 206023240
(301) 934-8811
fax (301) 934-9321
Mailing address
Po Box 1558
Waldorf, MD 206041558

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
April 5, 2018
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Maryland #D0046979
Medicaid
MD #431203100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699769554. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,639
Distinct HCPCS
9
Medicare allowed
$263,085
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,698 685 $128
99213 Established patient office or other outpatient visit, 20-29 minutes 305 217 $91
G0008 Administration of influenza virus vaccine 211 210 $25
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free 157 156 $29
96372 Injection of drug or substance under skin or into muscle 72 32 $14
90662 Influenza vaccine split virus, preservative free 63 63 $49
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 53 48 $15
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 52 15 $2
99203 New patient office or other outpatient visit, 30-44 minutes 28 28 $113

In context: peer comparison

Among 17 peers in this city , average services per provider: 170. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$292
Transactions
14
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 5 $97.42
PFIZER INC. 2 $46.40
GlaxoSmithKline, LLC. 2 $37.18
Exact Sciences Corporation 1 $33.68
Dexcom, Inc. 1 $23.13
Novo Nordisk Inc 1 $20.10
ABBVIE INC. 1 $19.22
Lilly USA, LLC 1 $15.30

By nature of payment

Food and Beverage
$292

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,470
Patients
794
Total drug cost
$45,958
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 396 116 $3,776
Atorvastatin Calcium Generic 319 103 $5,590
Rosuvastatin Calcium Generic 253 93 $8,747
Metformin Hcl Generic 208 63 $2,470
Metoprolol Succinate Generic 164 49 $3,503
Hydrochlorothiazide Generic 162 48 $771
Levothyroxine Sodium Generic 151 47 $2,236
Furosemide Generic 137 51 $853
Gabapentin Generic 124 37 $4,023
Losartan Potassium Generic 115 34 $1,886

Frequently asked questions

Auto-generated from federal data
What is Dr. Collins Sein's medical specialty?
Dr. Collins Sein practices Internal Medicine Physician in Waldorf, MD.
Where does Dr. Collins Sein practice?
Dr. Collins Sein practices at 3460 Old Washington RD, Waldorf, MD 206023240. Office phone: 3019348811.
What is Dr. Collins Sein's NPI?
Dr. Collins Sein's National Provider Identifier (NPI) is 1699769554, issued by NPPES.
What procedures does Dr. Collins Sein 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 99213); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.