Doctor profile · Federal record
Dr. Irene Ritterman, R.N., N.P.
Family Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Palo Alto, CA
- NPI 1336505247
- Accepts Medicare
- 11 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
795 El Camino Real
Palo Alto, CA 943012302
(650) 853-2977 - Mailing address
-
325 Distel Cir
Los Altos, CA 940221408
Credentials & registration
- NPI registered
- January 2016 — 10 yrs on file
- Profile last updated
- May 29, 2020
- Year of graduation
- 2015 — 11 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State licenses (2)
- California #NP95002843 · California #847527
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336505247. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
14
Distinct HCPCS
1
Medicare allowed
$1,826
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 14 | 13 | $130 |
In context: peer comparison
Among 14 peers in Palo Alto Family Nurse Practitioner, average services per provider: 81. This provider delivers 0.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
40
Patients
0
Total drug cost
$349
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Escitalopram Oxalate | Generic | 15 | 0 | $132 |
| Amlodipine Besylate | Generic | 13 | 0 | $159 |
| Lisinopril | Generic | 12 | 0 | $58 |
Hospital affiliations
Frequently asked questions
What is Dr. Irene Ritterman's medical specialty?
Dr. Irene Ritterman practices Family Nurse Practitioner in Palo Alto, CA.
Where does Dr. Irene Ritterman practice?
Dr. Irene Ritterman practices at 795 El Camino Real, Palo Alto, CA 943012302. Office phone: 6508532977.
What is Dr. Irene Ritterman's NPI?
Dr. Irene Ritterman's National Provider Identifier (NPI) is 1336505247, issued by NPPES.
Does Dr. Irene Ritterman accept Medicare assignment?
Yes. Dr. Irene Ritterman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Irene Ritterman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.