Doctor profile · Federal record

Dr. Russell Berg, M.D. PH.D

Internal Medicine Physician (CMS: Internal Medicine) · Addiction Medicine (Internal Medicine) Physician · Seattle, WA

  • NPI 1427412899
  • Accepts Medicare
  • MIPS 87.0 / 100 · 2023
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
325 9Th Ave
Seattle, WA 981042420
(206) 520-5000
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
April 29, 2019
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Washington #MD60888448
Medicaid
WA #1427412899

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1427412899. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
58
Distinct HCPCS
2
Medicare allowed
$7,329
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 34 14 $142
99214 Established patient office or other outpatient visit, 30-39 minutes 24 11 $105

In context: peer comparison

Among 174 peers in Seattle Internal Medicine Physician, average services per provider: 77. This provider delivers 0.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
742
Patients
40
Total drug cost
$90,450
Drug Type Claims Patients Total cost
Gabapentin Generic 135 16 $2,922
Atorvastatin Calcium Generic 85 13 $1,080
Lisinopril Generic 74 11 $643
Tamsulosin Hcl Generic 68 0 $492
Fluoxetine Hcl Generic 48 0 $345
Sertraline Hcl Generic 46 0 $320
Trulicity (Dulaglutide) Brand 44 0 $54,536
Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) Brand 37 0 $5,027
Metformin Hcl ER (Metformin Hcl) Brand 34 0 $595
Jardiance (Empagliflozin) Brand 33 0 $23,117

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Russell Berg's medical specialty?
Dr. Russell Berg practices Internal Medicine Physician in Seattle, WA.
Where does Dr. Russell Berg practice?
Dr. Russell Berg practices at 325 9Th Ave, Seattle, WA 981042420. Office phone: 2065205000.
What is Dr. Russell Berg's NPI?
Dr. Russell Berg's National Provider Identifier (NPI) is 1427412899, issued by NPPES.
Does Dr. Russell Berg accept Medicare assignment?
Yes. Dr. Russell Berg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Russell Berg 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 99214). Source: CMS Medicare Physician & Other Practitioners file.