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Sean P Cullen, MD

Diagnostic Radiology · Redwood City

NPI 1528090909

Medicare standing
Clear
Enrolled, allowed to bill and order, not excluded
Plans that list them
Not verified
Not the same as out of network.
Offices
7

Offices

7 locations · Permanente Medical Group Inc · 10,928 clinicians in this group

Looking this up.

Hospitals listed: Kaiser Foundation Hospital - Redwood City. 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 Dr. Cullen’s office to ask if they take your plan before you enroll.

California Medical Board record

Licence A78890 · Current

Licensed to practise in California · since 2002 · expires 2027-10-31 · Columbia University College of Physicians and Surgeons.

No disciplinary actions, convictions, malpractice judgments or citations in this record.

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.

  • Kaiser Foundation Hospital - Redwood CityRedwood City, CAAcute Care Hospital · Voluntary non-profit - Private · Has an emergency department · Birthing-friendlyPart of Kaiser Permanente, which runs 41 hospitals in 3 statesPatients rate it 4 of 5 · 80% would definitely recommend it
    Overall rating: 4 of 5 starsWorse than the national rate — SSI - Colon Surgery: 3.075, Oct 2024 – Sep 2025Better than the national rate — Catheter Associated Urinary Tract Infections (ICU + select Wards): 0, Oct 2024 – Sep 2025Better than the national rate — Clostridium Difficile (C.Diff): 0.064, Oct 2024 – Sep 2025
See every measure and the patient survey for Kaiser Foundation Hospital - Redwood City

Behind the star rating — Deaths: 0 better, 2 the same, 0 worse of 2 measures. Safety: 2 better, 4 the same, 0 worse of 6 measures. Readmissions: 0 better, 1 the same, 0 worse of 1 measures. The star rating is worked out from an earlier period than the measures below, so the two can disagree.

Every scored measure at Kaiser Foundation Hospital - Redwood City
SSI - Colon SurgeryInfections3.075WorseOct 2024 – Sep 2025
Catheter Associated Urinary Tract Infections (ICU + select Wards)Infections0BetterOct 2024 – Sep 2025
Clostridium Difficile (C.Diff)Infections0.064BetterOct 2024 – Sep 2025
Abdominopelvic accidental puncture or laceration rateComplications and deaths1.04 (0 to 2.12) · 81 casesNo differentJul 2022 – Jun 2024
CMS Medicare PSI 90: Patient safety and adverse events compositeComplications and deaths0.91 (0.43 to 1.39)No differentJul 2022 – Jun 2024
Death rate for stroke patientsComplications and deaths13.3 · 366 casesNoneJul 2023 – Jun 2025
Hybrid Hospital-Wide All-Cause Risk Standardized Mortality RateComplications and deaths4.3 · 1,523 casesNoneJul 2024 – Jun 2025
Iatrogenic pneumothorax rateComplications and deaths0.2 (0 to 0.44) · 477 casesNo differentJul 2022 – Jun 2024
In-hospital fall-associated fracture rateComplications and deaths0.26 (0.05 to 0.48) · 479 casesNo differentJul 2022 – Jun 2024
Perioperative pulmonary embolism or deep vein thrombosis rateComplications and deaths3.19 (0.67 to 5.72) · 160 casesNo differentJul 2022 – Jun 2024
Postoperative acute kidney injury requiring dialysis rateComplications and deaths1.66 (0 to 3.38) · 73 casesNo differentJul 2022 – Jun 2024
Postoperative hemorrhage or hematoma rateComplications and deaths2.21 (0.52 to 3.9) · 167 casesNo differentJul 2022 – Jun 2024
Postoperative respiratory failure rateComplications and deaths8.49 (0 to 18.18) · 69 casesNo differentJul 2022 – Jun 2024
Postoperative sepsis rateComplications and deaths5.03 (0.77 to 9.28) · 75 casesNo differentJul 2022 – Jun 2024
Pressure ulcer rateComplications and deaths0.49 (0 to 1.69) · 311 casesNo differentJul 2022 – Jun 2024
Central Line Associated Bloodstream Infection (ICU + select Wards)Infections0No differentOct 2024 – Sep 2025
MRSA BacteremiaInfections0.719No differentOct 2024 – Sep 2025
Acute Myocardial Infarction (AMI) 30-Day Readmission RateUnplanned return visits14.2 · 71 casesNoneJul 2023 – Jun 2025
Heart failure (HF) 30-Day Readmission RateUnplanned return visits21 · 204 casesNoneJul 2023 – Jun 2025
Pneumonia (PN) 30-Day Readmission RateUnplanned return visits16.3 · 209 casesNoneJul 2023 – Jun 2025
Rate of readmission for chronic obstructive pulmonary disease (COPD) patientsUnplanned return visits20 · 45 casesNoneJul 2023 – Jun 2025

What patients said (1,673 patients answered, 27% of those asked)

Patient survey stars by topic at Kaiser Foundation Hospital - Redwood City
Cleanliness4
Nurse communication3
Doctor communication4
Communication about medicines3
Discharge information4
Overall hospital rating4
Quietness3
Recommend hospital5
Share of patients giving the best answer at Kaiser Foundation Hospital - Redwood City
Room was "always" clean76%
Nurses "always" communicated well78%
Doctors "always" communicated well81%
Staff "always" explained62%
Yes, staff "did" give patients this information89%
Yes, staff "did" give patients information about help after discharge89%
Doctors "always" explained things so they could understand77%
Doctors "always" listened carefully80%
Doctors "always" treated them with courtesy and respect86%
Patients who gave a rating of "9" or "10" (high)79%
Staff "always" explained new medications75%
Nurses "always" explained things so they could understand74%
Nurses "always" listened carefully76%
Nurses "always" treated them with courtesy and respect85%
"Always" quiet at night57%
"YES", patients would definitely recommend the hospital80%
Staff "always" explained possible side effects49%
Yes, staff "did" give patients information about possible symptoms88%

Drugs they prescribed that Part D paid

$2,839

Pharmacies billed $2,839 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 43) in 2024. Too few prescriptions to compare fairly with other clinicians.

40 generic and fewer than 11 brand-name prescriptions · $2,839 in drug cost.

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.

Largest Part D drug costs
Clopidogrel21$373$18
Pantoprazole16$191$12

Year by year

Part D prescribing by year
202443150% (0)None$2,839
202331170% (0)None$1,771
202232160% (0)None$2,765
202126130% (0)0%$356
202018120% (0)0%$284
201926160% (0)None$2,901
201823120% (0)0%$374
201718110% (0)0%$270
201618150% (0)0%$455
201519160% (0)0%$547
201429200% (0)0%$967

Part D prescriptions only. A drug prescribed to fewer than 11 people in a year is hidden.

See the drugs prescribed each year

2022: 2 drugs

Part D drugs prescribed in 2022
Clopidogrel15$290$19
Pantoprazole11$138$13

2021: 1 drug

Part D drugs prescribed in 2021
Clopidogrel13$258$20

2020: 1 drug

Part D drugs prescribed in 2020
Clopidogrel12$225$19

2019: 1 drug

Part D drugs prescribed in 2019
Clopidogrel14$201$14

2018: 1 drug

Part D drugs prescribed in 2018
Clopidogrel17$267$16

2014: 1 drug

Part D drugs prescribed in 2014
Acetylcysteine12$340$28

Money from drug and device companies

$248 in 2025

Industry payments by year
202524None$248
202425None$621
202311None$16

Paid work is consulting, speaking, honoraria and royalties, as opposed to meals and travel.

A payment is not proof that care is biased.

Payments by company
PenumbraRed 72$166
2 payments
  • Meals for Red 72 · 2025-06-25 · $155
  • Meals for Penumbra System · 2025-04-18 · $11
StrykerSurpass Evolve$82
2 payments
  • Meals for Surpass Evolve · 2025-07-17 · $28
  • Meals for Surpass Evolve · 2025-06-02 · $55
See all 4 published payments
Every published payment
StrykerMeals · 2025-07-17Surpass Evolve$28
PenumbraMeals · 2025-06-25Red 72$155
StrykerMeals · 2025-06-02Surpass Evolve$55
PenumbraMeals · 2025-04-18Penumbra System$11
See earlier years (2024, 2023)

2024: $621

Payments by company in 2024
StrykerSurpass Evolve$340
3 payments
  • Meals for Surpass Evolve · 2024-03-15 · $155
  • Meals for Surpass Evolve · 2024-02-29 · $105
  • Meals for Surpass Evolve · 2024-02-22 · $80
PenumbraPenumbra System$281
2 payments
  • Meals for Penumbra System · 2024-12-19 · $161
  • Meals for Penumbra Coil 400 · 2024-08-09 · $121

2023: $16

Payments by company in 2023
Asahi Intecc USAAsahi Ptca Guide Wire$16
1 payment
  • Meals for Asahi Ptca Guide Wire · 2023-02-23 · $16

Professional record

NPI
1528090909
Licence
CA A78890California A78890: Current · expires 2027-10-31
Trained
Columbia University College of Physicians and Surgeons, 1995
Gender
Male
More record details
Sole proprietor
No
Medicaid ID
CA 00A788900
Taxonomy
Diagnostic radiology (2085R0202X)
Mailing address
1635 Divisadero St, Suite 625, Box 1821, San Francisco, CA, 94115
NPI first listed
2006-07-07
NPI last updated
2021-12-13

This is when the NPI record was last certified, not a medical board exam.

This office lists an electronic records connection.