Doctor profile · Federal record
Dr. Keith Luther, MD
Internal Medicine Physician (CMS: Internal Medicine) · Mercer Island, WA
- NPI 1912001652
- Accepts Medicare
- 33 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3236 78Th Ave Se Ste 200
Mercer Island, WA 980403500
(206) 275-5060
fax (206) 275-5061 - Mailing address
-
Po Box 25608
Salt Lake City, UT 841250608
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- February 16, 2026
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Washington #MD00037360
- Medicaid
- WA #1912001652
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1912001652. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
467
Distinct HCPCS
8
Medicare allowed
$61,290
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 222 | 132 | $140 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 104 | 104 | $142 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 42 | 40 | $100 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 26 | 21 | $196 | |
G0008 |
Administration of influenza virus vaccine | 26 | 26 | $34 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 25 | 25 | $72 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 11 | 11 | $282 | |
G0009 |
Administration of pneumococcal vaccine | 11 | 11 | $34 |
In context: peer comparison
Among 4 peers in Mercer Island Internal Medicine Physician, average services per provider: 76. This provider delivers 6.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,548
Patients
434
Total drug cost
$20,733
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 338 | 93 | $4,567 |
| Levothyroxine Sodium | Generic | 168 | 43 | $2,871 |
| Losartan Potassium | Generic | 156 | 39 | $1,925 |
| Lisinopril | Generic | 134 | 38 | $1,179 |
| Hydrochlorothiazide | Generic | 110 | 28 | $605 |
| Amlodipine Besylate | Generic | 95 | 27 | $597 |
| Simvastatin | Generic | 75 | 21 | $876 |
| Metoprolol Succinate | Generic | 72 | 24 | $1,670 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 68 | 21 | $1,432 |
| Tamsulosin Hcl | Generic | 64 | 21 | $1,253 |
Hospital affiliations
Frequently asked questions
What is Dr. Keith Luther's medical specialty?
Dr. Keith Luther practices Internal Medicine Physician in Mercer Island, WA.
Where does Dr. Keith Luther practice?
Dr. Keith Luther practices at 3236 78Th Ave Se Ste 200, Mercer Island, WA 980403500. Office phone: 2062755060.
What is Dr. Keith Luther's NPI?
Dr. Keith Luther's National Provider Identifier (NPI) is 1912001652, issued by NPPES.
Does Dr. Keith Luther accept Medicare assignment?
Yes. Dr. Keith Luther accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Keith Luther 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.