Doctor profile · Federal record
Dr. Mark Beiter, DO
Internal Medicine Physician (CMS: Hospice/Palliative Care) · Seattle, WA
- NPI 1740323740
- Accepts Medicare
- 21 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
925 Seneca St
Seattle, WA 981012742
(206) 583-6079 - Mailing address
-
1100 9Th Ave
Seattle, WA 981012756
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- July 1, 2013
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Washington #OP00002299
- Medicaid
- WA #8519464
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740323740. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
299
Distinct HCPCS
6
Medicare allowed
$38,993
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 112 | 48 | $103 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 73 | 42 | $105 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 36 | 25 | $155 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 30 | 30 | $195 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 26 | 17 | $155 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 22 | 22 | $195 |
In context: peer comparison
Among 174 peers in Seattle Internal Medicine Physician, average services per provider: 77. This provider delivers 3.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
579
Patients
142
Total drug cost
$21,301
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone Hcl | Generic | 124 | 36 | $5,036 |
| Gabapentin | Generic | 60 | 18 | $511 |
| Hydromorphone Hcl | Generic | 56 | 13 | $1,842 |
| Fentanyl | Generic | 53 | 16 | $5,983 |
| Duloxetine Hcl | Generic | 46 | 11 | $1,150 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 31 | 11 | $1,788 |
| Morphine Sulfate ER (Morphine Sulfate) | Brand | 30 | 11 | $900 |
| Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) | Brand | 29 | 0 | $1,627 |
| Pregabalin | Generic | 27 | 0 | $918 |
| Lorazepam | Generic | 25 | 12 | $294 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Beiter's medical specialty?
Dr. Mark Beiter practices Internal Medicine Physician in Seattle, WA.
Where does Dr. Mark Beiter practice?
Dr. Mark Beiter practices at 925 Seneca St, Seattle, WA 981012742. Office phone: 2065836079.
What is Dr. Mark Beiter's NPI?
Dr. Mark Beiter's National Provider Identifier (NPI) is 1740323740, issued by NPPES.
Does Dr. Mark Beiter accept Medicare assignment?
Yes. Dr. Mark Beiter accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Beiter 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); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.