Doctor profile · Federal record
Dr. Abigail Alt, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Seattle, WA
- NPI 1780818443
- Accepts Medicare
- MIPS 82.8 / 100 · 2023
- 17 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
747 Broadway
Seattle, WA 981224379
(206) 386-6000 - Mailing address
-
1037 Ne 65Th St # 81134
Seattle, WA 981156655
Credentials & registration
- NPI registered
- May 2009 — 17 yrs on file
- Profile last updated
- February 3, 2026
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Washington #60302495 · New York #264568
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1780818443. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
483
Distinct HCPCS
3
Medicare allowed
$58,348
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 374 | 127 | $126 | |
99239 |
Hospital discharge day management, more than 30 minutes | 59 | 59 | $120 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 50 | 25 | $84 |
In context: peer comparison
Among 174 peers in Seattle Internal Medicine Physician, average services per provider: 77. This provider delivers 6.3× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Abigail Alt's medical specialty?
Dr. Abigail Alt practices Internal Medicine Physician in Seattle, WA.
Where does Dr. Abigail Alt practice?
Dr. Abigail Alt practices at 747 Broadway, Seattle, WA 981224379. Office phone: 2063866000.
What is Dr. Abigail Alt's NPI?
Dr. Abigail Alt's National Provider Identifier (NPI) is 1780818443, issued by NPPES.
Does Dr. Abigail Alt accept Medicare assignment?
Yes. Dr. Abigail Alt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Abigail Alt commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.