Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARIA KATRINA CATAMBAY CELLES
Prescription History 1912377573
Nurse Practitioner - Psychiatric/Mental Health in San Francisco, CA

Active since September 25, 2015PECOS Enrolled
1563 MISSION ST, SAN FRANCISCO, CA 94103(415) 762-3700(415) 865-0119 Get Directions

NPPES record last updated: July 9, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 9, 2026, Mar 24, 2021, Dec 5, 2019 (3 updates tracked since 2019).

Medicare Part D Prescription History

Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for MARIA KATRINA CATAMBAY CELLES, an active Psychiatric/Mental Health specialist practicing in San Francisco, CA. Our medical registry currently tracks 16 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 331 documented patient claims. Among these therapy options, the most frequently utilized medication is Trazodone Hcl, which accounts for 35 claims alone. Use the table below to sort by claims, cost, or utilization compared with the state average; select any medication for its full profile.

16
Medications
331
Total Claims
354
30-Day Fills
Trazodone Hcl
Most Prescribed · 35 claims
View details
16 medications · 2023 Medicare Part D
Medicare Part D medications prescribed by MARIA KATRINA CATAMBAY CELLES in 2023, with prescription volumes, average cost per fill, and CA state comparisons
Medication Prescriptions (2023)Rx (2023) Avg Cost per FillCost / Fill Vs. Other CA PrescribersVs. CA Avg

About Trazodone Hcl: This medication is used to treat depression. Show more ▾

It may help to improve your mood, appetite, and energy level as well as decrease anxiety and insomnia related to depression. Trazodone works by helping to restore the balance of a certain natural chemical (serotonin) in the brain.

In 2023, this provider wrote 35 Medicare prescriptions for Trazodone Hcl, about 64% of the volume of the typical California prescriber of this medication (55). Medicare paid an average of $18.47 per fill, versus $13.84 statewide.

How often this provider prescribes it

This provider
35
CA average
55.0

This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$18.47
CA average
$13.84

Gross Part D cost per fill; not the patient's out-of-pocket price.

35
30-Day Fills
standardized to 30-day supplies
1,010
Days of Medication
total across all patients in 2023

About Sertraline Hcl: Sertraline is used to treat depression, panic attacks, obsessive compulsive disorder, post-traumatic stress disorder, social anxiety disorder (social phobia), and a severe form of premenstrual syndrome (premenstrual dysphoric disorder). Show more ▾

This medication may improve your mood, sleep, appetite, and energy level and may help restore your interest in daily living. It may decrease fear, anxiety, unwanted thoughts, and the number of panic attacks. It may also reduce the urge to perform repeated tasks (compulsions such as hand-washing, counting, and checking) that interfere with daily living. Sertraline is known as a selective serotonin reuptake inhibitor (SSRI). It works by helping to restore the balance of a certain natural substance (serotonin) in the brain.

In 2023, this provider wrote 32 Medicare prescriptions for Sertraline Hcl, about 71% of the volume of the typical California prescriber of this medication (45). Medicare paid an average of $7.05 per fill, versus $12.11 statewide.

How often this provider prescribes it

This provider
32
CA average
45.0

This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$7.05
CA average
$12.11

This provider's average cost per fill is below the CA average for this medication.

40
30-Day Fills
standardized to 30-day supplies
1,180
Days of Medication
total across all patients in 2023

About Escitalopram Oxalate: Escitalopram is used to treat depression and anxiety. Show more ▾

It works by helping to restore the balance of a certain natural substance (serotonin) in the brain. Escitalopram belongs to a class of drugs known as selective serotonin reuptake inhibitors (SSRI). It may improve your energy level and feelings of well-being and decrease nervousness. S-enantiomer of CITALOPRAM. Belongs to a class of drugs known as SELECTIVE SEROTONIN REUPTAKE INHIBITORS, used to treat depression and generalized anxiety disorder.

In 2023, this provider wrote 31 Medicare prescriptions for Escitalopram Oxalate, about 66% of the volume of the typical California prescriber of this medication (47). Medicare paid an average of $15.20 per fill, versus $14.32 statewide.

How often this provider prescribes it

This provider
31
CA average
47.0

This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$15.20
CA average
$14.32

Gross Part D cost per fill; not the patient's out-of-pocket price.

31
30-Day Fills
standardized to 30-day supplies
930
Days of Medication
total across all patients in 2023

About Buspirone Hcl: This medication is used to treat anxiety. Show more ▾

It may help you think more clearly, relax, worry less, and take part in everyday life. It may also help you to feel less jittery and irritable, and may control symptoms such as trouble sleeping, sweating, and pounding heartbeat. Buspirone is a medication for anxiety (anxiolytic) that works by affecting certain natural substances in the brain (neurotransmitters).

In 2023, this provider wrote 26 Medicare prescriptions for Buspirone Hcl, about 72% of the volume of the typical California prescriber of this medication (36). Medicare paid an average of $13.91 per fill, versus $18.36 statewide.

How often this provider prescribes it

This provider
26
CA average
36.0

This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$13.91
CA average
$18.36

This provider's average cost per fill is below the CA average for this medication.

26
30-Day Fills
standardized to 30-day supplies
730
Days of Medication
total across all patients in 2023

About Olanzapine: Olanzapine is used to treat certain mental/mood conditions (such as schizophrenia, bipolar disorder). Show more ▾

It may also be used in combination with other medication to treat depression. This medication can help to decrease hallucinations and help you to think more clearly and positively about yourself, feel less agitated, and take a more active part in everyday life. Olanzapine belongs to a class of drugs called atypical antipsychotics. It works by helping to restore the balance of certain natural substances in the brain. Talk to the doctor about the risks and benefits of treatment (especially when used by teenagers). See also Precautions section. A benzodiazepine derivative that binds SEROTONIN RECEPTORS; MUSCARINIC RECEPTORS; HISTAMINE H1 RECEPTORS; ADRENERGIC ALPHA-1 RECEPTORS; and DOPAMINE RECEPTORS. It is an antipsychotic agent used in the treatment of SCHIZOPHRENIA; BIPOLAR DISORDER; and MAJOR DEPRESSIVE DISORDER; it may also reduce nausea and vomiting in patients undergoing chemotherapy.

In 2023, this provider wrote 26 Medicare prescriptions for Olanzapine, about half the volume of the typical California prescriber of this medication (54). Medicare paid an average of $43.15 per fill, versus $41.60 statewide.

How often this provider prescribes it

This provider
26
CA average
54.0

This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$43.15
CA average
$41.60

Gross Part D cost per fill; not the patient's out-of-pocket price.

26
30-Day Fills
standardized to 30-day supplies
766
Days of Medication
total across all patients in 2023

About Quetiapine Fumarate: This medication is used to treat certain mental/mood conditions (such as schizophrenia, bipolar disorder, sudden episodes of mania or depression associated with bipolar disorder). Show more ▾

Quetiapine is known as an anti-psychotic drug (atypical type). It works by helping to restore the balance of certain natural substances (neurotransmitters) in the brain. This medication can decrease hallucinations and improve your concentration. It helps you to think more clearly and positively about yourself, feel less nervous, and take a more active part in everyday life. It may also improve your mood, sleep, appetite, and energy level. Quetiapine can help prevent severe mood swings or decrease how often mood swings occur. A dibenzothiazepine and ANTIPSYCHOTIC AGENT that targets the SEROTONIN 5-HT2 RECEPTOR; HISTAMINE H1 RECEPTOR, adrenergic alpha1 and alpha2 receptors, as well as the DOPAMINE D1 RECEPTOR and DOPAMINE D2 RECEPTOR. It is used in the treatment of SCHIZOPHRENIA; BIPOLAR DISORDER and DEPRESSIVE DISORDER.

In 2023, this provider wrote 23 Medicare prescriptions for Quetiapine Fumarate, about a third of the volume of the typical California prescriber of this medication (56). Medicare paid an average of $48.09 per fill, versus $39.99 statewide.

How often this provider prescribes it

This provider
23
CA average
56.0

This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$48.09
CA average
$39.99

Gross Part D cost per fill; not the patient's out-of-pocket price.

23.9
30-Day Fills
standardized to 30-day supplies
690
Days of Medication
total across all patients in 2023

About Lithium Carbonate: This medication is used to treat manic-depressive disorder (bipolar disorder). Show more ▾

It works to stabilize the mood and reduce extremes in behavior by restoring the balance of certain natural substances (neurotransmitters) in the brain. Some of the benefits of continued use of this medication include decreasing how often manic episodes occur and decreasing the symptoms of manic episodes, such as exaggerated feelings of well-being, feelings that others wish to harm you, irritability, anxiousness, rapid/loud speech, and aggressive/hostile behaviors. A lithium salt, classified as a mood-stabilizing agent. Lithium ion alters the metabolism of BIOGENIC MONOAMINES in the CENTRAL NERVOUS SYSTEM, and affects multiple neurotransmission systems.

In 2023, this provider wrote 21 Medicare prescriptions for Lithium Carbonate, about 66% of the volume of the typical California prescriber of this medication (32). Medicare paid an average of $12.18 per fill, versus $9.85 statewide.

How often this provider prescribes it

This provider
21
CA average
32.0

This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$12.18
CA average
$9.85

Gross Part D cost per fill; not the patient's out-of-pocket price.

21
30-Day Fills
standardized to 30-day supplies
592
Days of Medication
total across all patients in 2023

About Lamotrigine: Lamotrigine is used alone or with other medications to prevent and control seizures. Show more ▾

It may also be used to help prevent the extreme mood swings of bipolar disorder in adults. Lamotrigine is known as an anticonvulsant or antiepileptic drug. It is thought to work by restoring the balance of certain natural substances in the brain. This drug is not approved for use in children younger than 2 years due to an increased risk of side effects (such as infections). A phenyltriazine compound, sodium and calcium channel blocker that is used for the treatment of SEIZURES and BIPOLAR DISORDER.

In 2023, this provider wrote 18 Medicare prescriptions for Lamotrigine, about half the volume of the typical California prescriber of this medication (41). Medicare paid an average of $8.02 per fill, versus $17.04 statewide.

How often this provider prescribes it

This provider
18
CA average
41.0

This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$8.02
CA average
$17.04

This provider's average cost per fill is below the CA average for this medication.

30
30-Day Fills
standardized to 30-day supplies
888
Days of Medication
total across all patients in 2023

In 2023, this provider wrote 17 Medicare prescriptions for Lurasidone Hcl. Medicare paid an average of $534.01 per fill. No state comparison is available for this medication.

How often this provider prescribes it

No state benchmark is available for this medication.

What Medicare paid per fill

$534.01
Cost per fill

Gross Part D cost per fill; not the patient's out-of-pocket price.

17.9
30-Day Fills
standardized to 30-day supplies
524
Days of Medication
total across all patients in 2023

About Propranolol Hcl: This formulation of propranolol is used for infants and children to treat a certain benign tumor (proliferating infantile hemangioma). Show more ▾

It helps to shrink the tumor. Propranolol belongs to a class of drugs known as beta blockers.

In 2023, this provider wrote 17 Medicare prescriptions for Propranolol Hcl, about 68% of the volume of the typical California prescriber of this medication (25). Medicare paid an average of $8.50 per fill, versus $25.96 statewide.

How often this provider prescribes it

This provider
17
CA average
25.0

This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$8.50
CA average
$25.96

This provider's average cost per fill is below the CA average for this medication.

17.9
30-Day Fills
standardized to 30-day supplies
504
Days of Medication
total across all patients in 2023

About Aripiprazole: Aripiprazole is used to treat certain mental/mood disorders (such as bipolar disorder, schizophrenia, Tourette's syndrome, and irritability associated with autistic disorder). Show more ▾

It may also be used in combination with other medication to treat depression. Aripiprazole is known as an antipsychotic drug (atypical type). It works by helping to restore the balance of certain natural chemicals in the brain (neurotransmitters). This medication can decrease hallucinations and improve your concentration. It helps you to think more clearly and positively about yourself, feel less nervous, and take a more active part in everyday life. Aripiprazole can treat severe mood swings and decrease how often mood swings occur. A piperazine and quinolone derivative that is used primarily as an antipsychotic agent. It is a partial agonist of SEROTONIN RECEPTOR, 5-HT1A and DOPAMINE D2 RECEPTORS, where it also functions as a post-synaptic antagonist, and an antagonist of SEROTONIN RECEPTOR, 5-HT2A. It is used for the treatment of SCHIZOPHRENIA and BIPOLAR DISORDER, and as an adjunct therapy for the treatment of depression.

In 2023, this provider wrote 16 Medicare prescriptions for Aripiprazole, about a third of the volume of the typical California prescriber of this medication (46). Medicare paid an average of $68.28 per fill, versus $161.50 statewide.

How often this provider prescribes it

This provider
16
CA average
46.0

This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$68.28
CA average
$161.50

This provider's average cost per fill is below the CA average for this medication.

16
30-Day Fills
standardized to 30-day supplies
480
Days of Medication
total across all patients in 2023

About Hydroxyzine Hcl: Hydroxyzine is used to treat itching caused by allergies. Show more ▾

It is an antihistamine and works by blocking a certain natural substance (histamine) that your body makes during an allergic reaction. Hydroxyzine may also be used short-term to treat anxiety or to help you feel sleepy/relaxed before and after surgery.

In 2023, this provider wrote 15 Medicare prescriptions for Hydroxyzine Hcl, about half the volume of the typical California prescriber of this medication (26). Medicare paid an average of $13.93 per fill, versus $17.88 statewide.

How often this provider prescribes it

This provider
15
CA average
26.0

This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$13.93
CA average
$17.88

This provider's average cost per fill is below the CA average for this medication.

15
30-Day Fills
standardized to 30-day supplies
450
Days of Medication
total across all patients in 2023

About Mirtazapine: Mirtazapine is used to treat depression. Show more ▾

It improves mood and feelings of well-being. Mirtazapine is an antidepressant that works by restoring the balance of natural chemicals (neurotransmitters) in the brain. A piperazinoazepine tetracyclic compound that enhances the release of NOREPINEPHRINE and SEROTONIN through blockage of presynaptic ALPHA-2 ADRENERGIC RECEPTORS. It also blocks both 5-HT2 and 5-HT3 serotonin receptors and is a potent HISTAMINE H1 RECEPTOR antagonist. It is used for the treatment of depression, and may also be useful for the treatment of anxiety disorders.

In 2023, this provider wrote 15 Medicare prescriptions for Mirtazapine, about a third of the volume of the typical California prescriber of this medication (39). Medicare paid an average of $13.58 per fill, versus $22.92 statewide.

How often this provider prescribes it

This provider
15
CA average
39.0

This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$13.58
CA average
$22.92

This provider's average cost per fill is below the CA average for this medication.

15
30-Day Fills
standardized to 30-day supplies
430
Days of Medication
total across all patients in 2023

About Bupropion Xl: Bupropion is used to treat depression. Show more ▾

It can improve your mood and feelings of well-being. It may work by helping to restore the balance of certain natural chemicals (neurotransmitters) in your brain.

In 2023, this provider wrote 13 Medicare prescriptions for Bupropion Xl, about a third of the volume of the typical California prescriber of this medication (35). Medicare paid an average of $31.73 per fill, versus $40.33 statewide.

How often this provider prescribes it

This provider
13
CA average
35.0

This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$31.73
CA average
$40.33

This provider's average cost per fill is below the CA average for this medication.

13
30-Day Fills
standardized to 30-day supplies
374
Days of Medication
total across all patients in 2023

About Fluoxetine Hcl: This long-acting form of fluoxetine is used to treat depression in people who have been successfully treated with the form of fluoxetine that is taken daily. Show more ▾

Fluoxetine is a selective serotonin reuptake inhibitor (SSRI). SSRIs work by helping to restore the balance of certain natural substances in the brain (neurotransmitters such as serotonin). Fluoxetine may decrease anxiety, improve your mood, sleep, appetite, and energy level and may help restore your interest in daily living. The first highly specific serotonin uptake inhibitor. It is used as an antidepressant and often has a more acceptable side-effects profile than traditional antidepressants.

In 2023, this provider wrote 13 Medicare prescriptions for Fluoxetine Hcl, about a third of the volume of the typical California prescriber of this medication (34). Medicare paid an average of $13.18 per fill, versus $15.32 statewide.

How often this provider prescribes it

This provider
13
CA average
34.0

This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$13.18
CA average
$15.32

This provider's average cost per fill is below the CA average for this medication.

13
30-Day Fills
standardized to 30-day supplies
382
Days of Medication
total across all patients in 2023

About Risperidone: Risperidone is used to treat a certain mental/mood disorder called schizophrenia. Show more ▾

This medication can decrease hallucinations, help you to think more clearly and positively about yourself, feel less agitated, and take a more active part in everyday life. Risperidone is an antipsychotic drug (atypical type). It works by helping to restore the balance of certain natural substances in the brain. A selective blocker of DOPAMINE D2 RECEPTORS and SEROTONIN 5-HT2 RECEPTORS that acts as an atypical antipsychotic agent. It has been shown to improve both positive and negative symptoms in the treatment of SCHIZOPHRENIA.

In 2023, this provider wrote 13 Medicare prescriptions for Risperidone, about a quarter of the volume of the typical California prescriber of this medication (52). Medicare paid an average of $13.22 per fill, versus $15.57 statewide.

How often this provider prescribes it

This provider
13
CA average
52.0

This provider prescribes this medication less often than the average CA prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$13.22
CA average
$15.57

This provider's average cost per fill is below the CA average for this medication.

13
30-Day Fills
standardized to 30-day supplies
368
Days of Medication
total across all patients in 2023
No medications match the current filters.
= the 5 medications this provider prescribes most. More than typical Typical Less than typical= prescription volume vs the average CA prescriber of the same medication; volume reflects practice size as well as clinical preference.Green cost= below the CA average cost per fill.

About this data. The prescription history for MARIA KATRINA CATAMBAY CELLES is compiled from the Centers for Medicare & Medicaid Services (CMS) Medicare Part D Prescriber Public Use File for calendar year 2023, the most recent federal release. Figures cover prescriptions filled for Medicare Part D beneficiaries only; prescriptions under private insurance, Medicaid, or self-pay plans are not included. Because prescribing decisions are generally consistent across coverage types, this record offers a useful view of the overall Psychiatric/Mental Health prescribing approach at this San Francisco, CA practice.

Reading the costs. Drug costs are gross amounts paid to pharmacies under Part D, including both plan and beneficiary payments. They are not the price a patient pays at the pharmacy counter. Medications with fewer than 11 claims are excluded from the federal source data, and state comparisons use the average volume among CA prescribers of the same medication. Always confirm current medications and costs directly with the provider and your plan.