Doctor profile · Federal record
Dr. Marilyn Knaub, M.D.
Family Medicine Physician (CMS: Family Practice) · Oxford, PA
- NPI 1043253271
- Accepts Medicare
- 47 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
29 N 3Rd St
Oxford, PA 193631423
(610) 932-6386
fax (610) 932-6385 - Mailing address
-
5000 Cox RD
Glen Allen, VA 23060
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- February 15, 2022
- Year of graduation
- 1979 — 47 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Pennsylvania #MD023876E
- Medicaid
- PA #0887614
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1043253271. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
803
Distinct HCPCS
10
Medicare allowed
$53,478
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 156 | 143 | $86 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 102 | 97 | $122 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 91 | 91 | $107 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 58 | 58 | $161 | |
71046 |
X-ray of chest, 2 views | 54 | 53 | $32 | |
81000 |
Manual urinalysis test with examination using microscope, non-automated | 54 | 49 | $4 | |
36415 |
Insertion of needle into vein for collection of blood sample | 52 | 48 | $8 | |
87428 |
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza | 41 | 38 | $56 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 38 | 35 | $8 | |
87880 |
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 35 | 35 | $16 |
In context: peer comparison
Among 2 peers in Oxford Family Medicine Physician, average services per provider: 51. This provider delivers 16× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
452
Patients
308
Total drug cost
$7,266
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Doxycycline Hyclate | Generic | 81 | 78 | $1,048 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 43 | 43 | $537 |
| Azithromycin | Generic | 41 | 41 | $211 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 34 | 32 | $197 |
| Prednisone | Generic | 28 | 27 | $90 |
| Methylprednisolone | Generic | 26 | 26 | $272 |
| Metoprolol Succinate | Generic | 26 | 0 | $874 |
| Tamsulosin Hcl | Generic | 26 | 0 | $1,664 |
| Rosuvastatin Calcium | Generic | 25 | 0 | $980 |
| Amlodipine Besylate | Generic | 24 | 0 | $166 |
Frequently asked questions
What is Dr. Marilyn Knaub's medical specialty?
Dr. Marilyn Knaub practices Family Medicine Physician in Oxford, PA.
Where does Dr. Marilyn Knaub practice?
Dr. Marilyn Knaub practices at 29 N 3Rd St, Oxford, PA 193631423. Office phone: 6109326386.
What is Dr. Marilyn Knaub's NPI?
Dr. Marilyn Knaub's National Provider Identifier (NPI) is 1043253271, issued by NPPES.
Does Dr. Marilyn Knaub accept Medicare assignment?
Yes. Dr. Marilyn Knaub accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marilyn Knaub commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.