Doctor profile · Federal record

Dr. Shashima Nakahara, M.D.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Cardiovascular Disease Physician · Cardiovascular Disease Physician · Longview, WA

  • NPI 1437474103
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1615 Delaware St
Longview, WA 986322367
(360) 414-2730
fax (360) 414-2739
Additional location
3181 Sw Sam Jackson Park RD # Uhn-62, Oregon Health & Science University
Portland, OR 972393011
(503) 494-8211

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
May 1, 2023
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State licenses (3)
Washington #MD60650945 · Oregon #MD177193 · Oregon #PG171439

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437474103. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,680
Distinct HCPCS
10
Medicare allowed
$78,257
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 769 648 $8
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 284 279 $67
99214 Established patient office or other outpatient visit, 30-39 minutes 240 205 $96
99204 New patient office or other outpatient visit, 45-59 minutes 73 73 $131
93321 Ultrasound of heart blood flow, valves and chambers, follow-up 56 55 $7
93325 Ultrasound of heart with color-depicted blood flow, rate and valve function 56 55 $3
99215 Established patient office or other outpatient visit, 40-54 minutes 49 40 $141
93308 Ultrasound of heart, follow-up 43 42 $24
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 22 18 $78
93351 Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report 18 18 $81

In context: peer comparison

Among 2 peers in this city , average services per provider: 89. This provider delivers 19× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,716
Patients
994
Total drug cost
$599,876
Drug Type Claims Patients Total cost
Metoprolol Succinate Generic 487 181 $12,867
Furosemide Generic 330 126 $2,737
Atorvastatin Calcium Generic 311 101 $5,401
Eliquis (Apixaban) Brand 221 66 $261,066
Spironolactone Generic 179 66 $2,609
Isosorbide Mononitrate Er (Isosorbide Mononitrate) Brand 168 63 $4,946
Losartan Potassium Generic 155 66 $2,111
Amlodipine Besylate Generic 144 53 $1,191
Jardiance (Empagliflozin) Brand 132 45 $164,219
Lisinopril Generic 121 43 $1,216

Frequently asked questions

Auto-generated from federal data
What is Dr. Shashima Nakahara's medical specialty?
Dr. Shashima Nakahara practices Cardiovascular Disease Physician in Longview, WA.
Where does Dr. Shashima Nakahara practice?
Dr. Shashima Nakahara practices at 1615 Delaware St, Longview, WA 986322367. Office phone: 3604142730.
What is Dr. Shashima Nakahara's NPI?
Dr. Shashima Nakahara's National Provider Identifier (NPI) is 1437474103, issued by NPPES.
Does Dr. Shashima Nakahara accept Medicare assignment?
Yes. Dr. Shashima Nakahara accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shashima Nakahara commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.