Doctor profile · Federal record
Dr. Margaret Ng, PAC
Medical Physician Assistant (CMS: Physician Assistant) · Medical Physician Assistant · Portland, OR
- NPI 1881108231
- Accepts Medicare
- 9 yrs in practice
- Licensed in 2 states
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1111 Ne 99Th Ave Ste 301
Portland, OR 972209442
(503) 963-2707
fax (503) 963-2802 - Mailing address
-
541 Ne 20Th Ave Ste 225
Portland, OR 972322895
Credentials & registration
- NPI registered
- November 2017 — 9 yrs on file
- Profile last updated
- November 4, 2024
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 363AM0700X — NUCC code
- State licenses (2)
- Oregon #PA206830 · Washington #PA61158299
- Medicaid (2)
- OR #500797340 · WA #2186058
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1881108231. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
156
Distinct HCPCS
5
Medicare allowed
$17,524
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 59 | 44 | $110 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 42 | 42 | $139 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 20 | 20 | $110 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 19 | 17 | $78 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 16 | 16 | $94 |
In context: peer comparison
Among 82 peers in this city , average services per provider: 148. This provider delivers 1.1× the peer median.Open Payments
Industry payments received
All-time total
$704
Transactions
8
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 4 | $289.71 | |
| Janssen Biotech, Inc. | 2 | $214.99 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 1 | $121.88 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 1 | $77.88 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
942
Patients
367
Total drug cost
$109,277
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 432 | 126 | $6,008 |
| Pantoprazole Sodium | Generic | 158 | 45 | $2,309 |
| Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 98 | 94 | $2,024 |
| Sucralfate | Generic | 48 | 17 | $1,816 |
| Dicyclomine Hcl | Generic | 45 | 17 | $680 |
| Famotidine | Generic | 36 | 16 | $1,036 |
| Linzess (Linaclotide) | Brand | 20 | 0 | $13,960 |
| Creon (Lipase/Protease/Amylase) | Brand | 19 | 0 | $79,148 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 19 | 18 | $690 |
| Peg-3350 And Electrolytes (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 19 | 18 | $379 |
Frequently asked questions
What is Dr. Margaret Ng's medical specialty?
Dr. Margaret Ng practices Medical Physician Assistant in Portland, OR.
Where does Dr. Margaret Ng practice?
Dr. Margaret Ng practices at 1111 Ne 99Th Ave Ste 301, Portland, OR 972209442. Office phone: 5039632707.
What is Dr. Margaret Ng's NPI?
Dr. Margaret Ng's National Provider Identifier (NPI) is 1881108231, issued by NPPES.
Does Dr. Margaret Ng accept Medicare assignment?
Yes. Dr. Margaret Ng accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Ng commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.