Ellen Elizabeth Allen, FNP
Nurse Practitioner · Palo Alto
- Medicare standing
- Clear
- Enrolled, allowed to bill and order, not excluded
- Plans that list them
- Not verified
- Not the same as out of network.
- Office
- 1
Offices
1 location
Plan participation
Not verified
We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Ellen Elizabeth Allen’s office at (888) 731-8994 to ask if they take your plan before you enroll.
Original Medicare doctor bills
$1,094
Medicare paid this office $1,094 for 29 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | 14 | $308 | $22 |
Who their Medicare patients are
29 Original Medicare patients in 2024. Average age 63 · Health risk score 0.79. At or below the middle of the specialty; the typical nurse practitioner clinician is at 1.42.
Conditions among them: High blood pressure 48%.
The office billed $6,140, Medicare allowed $1,576 and paid $1,094; for 43 services of 11 kinds.
Original Medicare patients only. A risk score of 1.0 is the average Medicare patient; higher means sicker. Any count under 11 is hidden.
Year by year
| 2024 | 29 | 43 | 63 | 0.79 | $6,140 | $1,094 |
| 2023 | 44 | 315 | 69 | 1.43 | $22,065 | $6,380 |
Original Medicare only. A service billed for fewer than 11 people in a year is hidden, so the lines can add up to less than the year's total.
See the services billed each year
2023: 7 services
| New patient visit (45+ min) | 33 | $3,148 | $95 |
| Return visit (30+ min) | 11 | $806 | $73 |
| Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) | 17 | $657 | $39 |
| Detection test by immunoassay with direct visual observation for influenza virus | 16 | $491 | $15 |
| Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 13 | $197 | $15 |
| Injection of drug or substance under skin or into muscle | 18 | $196 | $9 |
| Injection, dexamethasone sodium phosphate, 1 mg | 16 | $11 | None |
Medicaid work
$24,784 in 2024
Medicaid paid $24,784 for 639 billed services this clinician did in 2024, up to 46 people in a month for one service.
Medicaid and CHIP claims where this clinician did the service, fee-for-service and managed care together. Any month with fewer than 11 patients is hidden, so small Medicaid practices undercount.
| Hospital outpatient clinic visit for assessment and management of a patient | 184 | $6,987 |
| Cervical or vaginal cancer screening; pelvic and clinical breast examination | 57 | $4,664 |
| New patient visit (45+ min) | 59 | $4,563 |
| OFF/OP EST MAY X REQ PHY/QHP | 63 | $2,527 |
| Return visit (30+ min) | 21 | $1,636 |
| Infectious agent antigen detection by immunoassay with direct optical (ie, visual) observation; severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) (coronavirus disease [COVID-19]) | 47 | $1,326 |
| Infectious agent antigen detection by immunoassay with direct optical (ie, visual) observation; Influenza | 94 | $905 |
| Infectious agent detection by nucleic acid (DNA or RNA); respiratory syncytial virus, amplified probe technique | 27 | $605 |
| Infectious agent antigen detection by immunoassay with direct optical (ie, visual) observation; Streptococcus, group A | 46 | $453 |
| Infectious agent detection by nucleic acid (DNA or RNA); Chlamydia trachomatis, amplified probe technique | 14 | $438 |
| Infectious agent detection by nucleic acid (DNA or RNA); Neisseria gonorrhoeae, amplified probe technique | 14 | $438 |
| Infectious disease (bacterial vaginosis and vaginitis), multiplex amplified probe technique, for detection of bacterial vaginosis-associated bacteria (BVAB-2, Atopobium vaginae, and Megasphera type 1), algorithm reported as detected or not detected and separate detection of Candida species (C. albicans, C. tropicalis, C. parapsilosis, C. dubliniensis), Candida glabrata/Candida krusei, and trichomonas vaginalis, vaginal-fluid specimen, each result reported as detected or not detected | 13 | $242 |
| 2024 | 639 | 12 | 46 | $24,784 |
| 2023 | 2,138 | 10 | 80 | $56,336 |
See the largest Medicaid services in earlier years
2023
| New patient visit (45+ min) | 403 | $31,882 |
| Infectious agent antigen detection by immunoassay with direct optical (ie, visual) observation; severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) (coronavirus disease [COVID-19]) | 357 | $9,250 |
| Infectious agent antigen detection by immunoassay with direct optical (ie, visual) observation; Influenza | 725 | $6,326 |
| Return visit (30+ min) | 93 | $3,737 |
| Infectious agent antigen detection by immunoassay with direct optical (ie, visual) observation; Streptococcus, group A | 351 | $3,079 |
| Infectious agent detection by nucleic acid (DNA or RNA); respiratory syncytial virus, amplified probe technique | 100 | $1,875 |
| Infectious agent antigen detection by immunoassay with direct optical (ie, visual) observation; respiratory syncytial virus | 19 | $138 |
| Urinalysis, by dip stick or tablet reagent for bilirubin, glucose, hemoglobin, ketones, leukocytes, nitrite, pH, protein, specific gravity, urobilinogen, any number of these constituents; automated, without microscopy | 32 | $44 |
| Injection, dexamethasone sodium phosphate, 1 mg | 40 | $6 |
| Most recent systolic blood pressure less than 130 mm Hg (DM) (HTN, CKD, CAD) | 18 | $0 |
Professional record
- NPI
- 1457059271
- Licence
- NC 331880, PA SP029032
More record details
- Sole proprietor
- No
- Taxonomy
- Nurse practitioner (363L00000X); Federal specialty code 363LF0000X (363LF0000X)
- Mailing address
- 195 Page Mill Rd Ste 103, Palo Alto, CA, 94306
- NPI first listed
- 2023-02-21
- NPI last updated
- 2026-01-28
- NPI record certified
- 2026-01-28
This is when the NPI record was last certified, not a medical board exam.
Extra NPI addresses: 111 N Orange Ave Ste 800, Orlando, FL, 32801 · 429 4th Ave Fl 7, Pittsburgh, PA, 15219 · 421 Fayetteville St Ste 1100, Raleigh, NC, 27601