Crystal O Hermano, NP
Nurse Practitioner · Arlington
- 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 · Virginia Hospital Center Physician Group LLC · 350 clinicians in this group
Hospitals listed: Virginia Hospital Center. That is not proof they admit you there this week.
Plan participation
Not verified
We could not verify current plan participation for this doctor. This does not mean they are out of network. Call Crystal O Hermano’s office at (703) 717-7000 to ask if they take your plan before you enroll.
Hospitals they work in
1 hospital
These rate the hospital, not this clinician. Most measures at most hospitals are no different from the national rate.
- Virginia Hospital CenterArlington, VAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of VHC HealthPatients rate it 4 of 5 · 78% would definitely recommend itOverall rating: 4 of 5 starsWorse than the national rate — Perioperative pulmonary embolism or deep vein thrombosis rate: 5.84 (4.09 to 7.59) · 2,509 cases, Jul 2022 – Jun 2024Better than the national rate — Clostridium Difficile (C.Diff): 0.275, Oct 2024 – Sep 2025
See every measure and the patient survey for Virginia Hospital Center
Behind the star rating — Deaths: 2 better, 6 the same, 0 worse of 8 measures. Safety: 1 better, 6 the same, 0 worse of 7 measures. Readmissions: 1 better, 8 the same, 2 worse of 11 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.
| Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths | 5.84 (4.09 to 7.59) · 2,509 cases | Worse | Jul 2022 – Jun 2024 |
| Clostridium Difficile (C.Diff)Infections | 0.275 | Better | Oct 2024 – Sep 2025 |
| Abdominopelvic accidental puncture or laceration rateComplications and deaths | 1.07 (0.19 to 1.95) · 1,929 cases | No different | Jul 2022 – Jun 2024 |
| CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths | 1.09 (0.83 to 1.35) | No different | Jul 2022 – Jun 2024 |
| Death rate among surgical inpatients with serious treatable complicationsComplications and deaths | 153.12 (108.93 to 197.32) · 119 cases | No different | Jul 2022 – Jun 2024 |
| Death rate for CABG surgery patientsComplications and deaths | 1.8 · 72 cases | None | Jul 2022 – Jun 2025 |
| Death rate for COPD patientsComplications and deaths | 9 · 75 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart attack patientsComplications and deaths | 10.6 · 101 cases | None | Jul 2022 – Jun 2025 |
| Death rate for heart failure patientsComplications and deaths | 11.3 · 461 cases | None | Jul 2022 – Jun 2025 |
| Death rate for pneumonia patientsComplications and deaths | 12.9 · 497 cases | None | Jul 2022 – Jun 2025 |
| Death rate for stroke patientsComplications and deaths | 9.5 · 378 cases | None | Jul 2023 – Jun 2025 |
| Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths | 3.1 · 5,363 cases | None | Jul 2024 – Jun 2025 |
| Iatrogenic pneumothorax rateComplications and deaths | 0.16 (0 to 0.35) · 8,644 cases | No different | Jul 2022 – Jun 2024 |
| In-hospital fall-associated fracture rateComplications and deaths | 0.29 (0.11 to 0.47) · 8,848 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative acute kidney injury requiring dialysis rateComplications and deaths | 1.53 (0.07 to 2.99) · 1,212 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative hemorrhage or hematoma rateComplications and deaths | 2.54 (1.21 to 3.86) · 2,346 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative respiratory failure rateComplications and deaths | 11.42 (5.91 to 16.93) · 1,198 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative sepsis rateComplications and deaths | 6.18 (3.08 to 9.27) · 1,166 cases | No different | Jul 2022 – Jun 2024 |
| Postoperative wound dehiscence rateComplications and deaths | 1.57 (0.12 to 3.01) · 721 cases | No different | Jul 2022 – Jun 2024 |
| Pressure ulcer rateComplications and deaths | 0.33 (0 to 0.85) · 7,579 cases | No different | Jul 2022 – Jun 2024 |
| Rate of complications for hip/knee replacement patientsComplications and deaths | 4.4 · 102 cases | None | Apr 2023 – Mar 2025 |
| Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections | 0.797 | No different | Oct 2024 – Sep 2025 |
| Central Line Associated Bloodstream Infection (ICU + select Wards)Infections | 1.034 | No different | Oct 2024 – Sep 2025 |
| MRSA BacteremiaInfections | 0.593 | No different | Oct 2024 – Sep 2025 |
| SSI - Abdominal HysterectomyInfections | 0.941 | No different | Oct 2024 – Sep 2025 |
| SSI - Colon SurgeryInfections | 1.018 | No different | Oct 2024 – Sep 2025 |
| Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits | 15 · 264 cases | None | Jul 2023 – Jun 2025 |
| Heart failure (HF) 30-Day Readmission RateUnplanned return visits | 22.7 · 916 cases | None | Jul 2023 – Jun 2025 |
| Hospital return days for heart attack patientsUnplanned return visits | 15.9 · 112 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for heart failure patientsUnplanned return visits | -0.4 · 514 cases | None | Jul 2022 – Jun 2025 |
| Hospital return days for pneumonia patientsUnplanned return visits | 9.2 · 503 cases | None | Jul 2022 – Jun 2025 |
| Pneumonia (PN) 30-Day Readmission RateUnplanned return visits | 18 · 890 cases | None | Jul 2023 – Jun 2025 |
| Rate of emergency department (ED) visits for patients receiving outpatient chemotherapyUnplanned return visits | 4.9 (3.1 to 7.8) · 56 cases | No different | Jan 2024 – Dec 2024 |
| Rate of inpatient admissions for patients receiving outpatient chemotherapyUnplanned return visits | 10.5 (7.1 to 15.9) · 56 cases | No different | Jan 2024 – Dec 2024 |
| Rate of readmission after hip/knee replacementUnplanned return visits | 5.4 · 102 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for CABGUnplanned return visits | 10.8 · 143 cases | None | Jul 2023 – Jun 2025 |
| Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits | 19.9 · 121 cases | None | Jul 2023 – Jun 2025 |
| Rate of unplanned hospital visits after colonoscopy (per 1,000 colonoscopies)Unplanned return visits | 11.6 (9.4 to 14.5) · 4,450 cases | No different | Jan 2022 – Dec 2024 |
| Ratio of unplanned hospital visits after hospital outpatient surgeryUnplanned return visits | 1.1 (0.9 to 1.4) · 822 cases | No different | Jan 2024 – Dec 2024 |
What patients said (2,115 patients answered, 21% of those asked)
| Cleanliness | 4 |
| Nurse communication | 3 |
| Doctor communication | 4 |
| Communication about medicines | 3 |
| Discharge information | 3 |
| Overall hospital rating | 4 |
| Quietness | 3 |
| Recommend hospital | 5 |
| Room was "always" clean | 79% |
| Nurses "always" communicated well | 77% |
| Doctors "always" communicated well | 81% |
| Staff "always" explained | 60% |
| Yes, staff "did" give patients this information | 86% |
| Yes, staff "did" give patients information about help after discharge | 86% |
| Doctors "always" explained things so they could understand | 75% |
| Doctors "always" listened carefully | 79% |
| Doctors "always" treated them with courtesy and respect | 87% |
| Patients who gave a rating of "9" or "10" (high) | 76% |
| Staff "always" explained new medications | 75% |
| Nurses "always" explained things so they could understand | 71% |
| Nurses "always" listened carefully | 74% |
| Nurses "always" treated them with courtesy and respect | 86% |
| "Always" quiet at night | 56% |
| "YES", patients would definitely recommend the hospital | 78% |
| Staff "always" explained possible side effects | 46% |
| Yes, staff "did" give patients information about possible symptoms | 87% |
Original Medicare doctor bills
$13,197
Medicare paid this office $13,197 for 151 people.
This is what Medicare paid the clinician — not Medicare Advantage, and not the pharmacy.
| Short return visit (20+ min) | 79 | $5,038 | $60 |
| Return visit (30+ min) | 31 | $2,513 | $81 |
| New patient visit (30+ min) | 31 | $2,344 | $76 |
| New patient visit (45+ min) | 11 | $1,369 | $124 |
| X-ray of chest, 2 views | 17 | $442 | $26 |
See all 7 services
| Short return visit (20+ min) | 79 | $5,038 | $60 |
| Return visit (30+ min) | 31 | $2,513 | $81 |
| New patient visit (30+ min) | 31 | $2,344 | $76 |
| New patient visit (45+ min) | 11 | $1,369 | $124 |
| X-ray of chest, 2 views | 17 | $442 | $26 |
| Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 11 | $178 | $16 |
| Automated urinalysis test | 23 | $53 | $2 |
Who their Medicare patients are
151 Original Medicare patients in 2024. Average age 76 · Women 58% · Health risk score 0.94. At or below the middle of the specialty; the typical nurse practitioner clinician is at 1.42.
Conditions among them: High blood pressure 64% · Coronary heart disease 24% · Chronic kidney disease 18% · Atrial fibrillation 18% · Diabetes 17% · Depression 17% · Heart failure 13% · Cancer 11% · COPD 9% · Stroke 9%.
The office billed $43,740, Medicare allowed $18,306 and paid $13,197; for 270 services of 34 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 | 151 | 270 | 76 | 0.94 | $43,740 | $13,197 |
| 2023 | 175 | 301 | 74 | 0.91 | $52,512 | $17,169 |
| 2022 | 47 | 69 | 72 | 0.64 | $14,871 | $5,608 |
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: 5 services
| Short return visit (20+ min) | 100 | $5,899 | $57 |
| Return visit (30+ min) | 38 | $3,356 | $88 |
| New patient visit (30+ min) | 28 | $2,230 | $80 |
| Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 13 | $227 | $16 |
| Automated urinalysis test | 19 | $44 | $2 |
2022: 2 services
| Short return visit (20+ min) | 18 | $1,357 | $71 |
| Return visit (30+ min) | 13 | $1,204 | $93 |
Drugs they prescribed that Part D paid
$1,312
Pharmacies billed $1,312 in 2024.
This is pharmacy cost, not the office bill, and not what patients paid.
Opioids were 0% of their Part D prescriptions (0 of 124) in 2024. At or below the middle of the specialty; the typical nurse practitioner clinician is at 0%.
112 generic and fewer than 11 brand-name prescriptions · $1,312 in drug cost · 59 antibiotic prescriptions to 51 people.
Part D prescriptions only. The opioid rate is opioid prescriptions as a share of all this clinician's Part D prescriptions; surgeons and pain specialists run higher than others, so it is shown against the same specialty.
| Amoxicillin-Clavulanate Potass | 11 | $83 | $8 |
| Azithromycin | 11 | $47 | $4 |
Year by year
| 2024 | 124 | 90 | 0% (0) | None | $1,312 |
| 2023 | 207 | 89 | 0% (0) | None | $5,478 |
| 2022 | 52 | 30 | None | None | $3,117 |
| 2021 | 27 | 21 | 0% (0) | None | $202 |
Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.
Money from drug and device companies
$63 in 2025
A payment is not proof that care is biased.
| Lilly USA | Mounjaro | $25 | 1 payment
|
| Exact Sciences | The Cologuard Plus Collection Kit | $23 | 1 payment
|
| Novo Nordisk | Rybelsus | $15 | 1 payment
|
See all 3 published payments
| Novo Nordisk | Meals · 2025-10-17 | Rybelsus | $15 |
| Exact Sciences | Meals · 2025-09-22 | The Cologuard Plus Collection Kit | $23 |
| Lilly USA | Meals · 2025-05-30 | Mounjaro | $25 |
Checkups this office reported
Medicare did not publish checkup rates for this clinician.
- Medicare’s overall office score
- 93.5 / 100
- Scores the office’s reporting and systems. It is not a grade for how the doctor treats you.
Professional record
- NPI
- 1558974105
- Licence
- VA 0024179728
- Gender
- Female
More record details
- Sole proprietor
- No
- Taxonomy
- Federal specialty code 363LF0000X (363LF0000X); Nurse practitioner (363L00000X)
- Mailing address
- 243 Buena Vista Ave Apt 1102, Sunnyvale, CA, 94086
- NPI first listed
- 2020-08-24
- NPI last updated
- 2024-10-31
- NPI record certified
- 2024-10-31
This is when the NPI record was last certified, not a medical board exam.
Extra NPI addresses: 5522 Swift Current Ct, Burke, VA, 22015 · 683 Newbury Ln Apt 377, Hayward, CA, 94544 · 11800 Sunrise Valley Dr Ste 700, Reston, VA, 20191 · 243 Buena Vista Ave Apt 1102, Sunnyvale, CA, 94086