Doctor profile · Federal record
Dr. Natalie Tammen, PA-C
Physician Assistant · Oakland, CA
- NPI 1477058584
- Accepts Medicare
- 9 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3850 Grand Ave
Oakland, CA 946101004
(510) 225-1013 - Mailing address
-
1 Embarcadero Ctr Ste 1900
San Francisco, CA 941113723
Credentials & registration
- NPI registered
- March 2018 — 8 yrs on file
- Profile last updated
- September 28, 2021
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- California #55479
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1477058584. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
68
Distinct HCPCS
3
Medicare allowed
$6,032
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 29 | 25 | $128 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 24 | 17 | $91 | |
36415 |
Insertion of needle into vein for collection of blood sample | 15 | 15 | $8 |
In context: peer comparison
Among 22 peers in Oakland Physician Assistant, average services per provider: 44. This provider delivers 1.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
56
Patients
0
Total drug cost
$630
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 24 | 0 | $223 |
| Alendronate Sodium | Generic | 18 | 0 | $180 |
| Losartan Potassium | Generic | 14 | 0 | $227 |
Frequently asked questions
What is Dr. Natalie Tammen's medical specialty?
Dr. Natalie Tammen practices Physician Assistant in Oakland, CA.
Where does Dr. Natalie Tammen practice?
Dr. Natalie Tammen practices at 3850 Grand Ave, Oakland, CA 946101004. Office phone: 5102251013.
What is Dr. Natalie Tammen's NPI?
Dr. Natalie Tammen's National Provider Identifier (NPI) is 1477058584, issued by NPPES.
Does Dr. Natalie Tammen accept Medicare assignment?
Yes. Dr. Natalie Tammen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Natalie Tammen 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 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.