ALISON JENNIFER WITTENBERG APRN MSN
Prescription History 1346355989
Nurse Practitioner - Psychiatric/Mental Health in New Haven, CT

Active since August 21, 2006Opted out of Medicare · through Jun 29, 2027
116 CROWN ST APT 3B, NEW HAVEN, CT 06510(413) 530-5740(475) 277-4945 Get Directions

NPPES record last updated: September 19, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 19, 2025, Feb 26, 2020 (2 updates tracked since 2020).

Medicare Part D Prescription History

Explore the verified Medicare Part D prescription history, volume metrics, and calculated drug costs for ALISON JENNIFER WITTENBERG APRN MSN, an active Psychiatric/Mental Health specialist practicing in New Haven, CT. Our medical registry currently tracks 8 unique pharmaceutical formulations prescribed by this provider, representing an estimated volume of 194 documented patient claims. Among these therapy options, the most frequently utilized medication is Clonazepam, which accounts for 50 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.

8
Medications
194
Total Claims
241
30-Day Fills
Clonazepam
Most Prescribed · 50 claims
View details
8 medications · 2023 Medicare Part D
Medicare Part D medications prescribed by ALISON JENNIFER WITTENBERG APRN MSN in 2023, with prescription volumes, average cost per fill, and CT state comparisons
Medication Prescriptions (2023)Rx (2023) Avg Cost per FillCost / Fill Vs. Other CT PrescribersVs. CT Avg

About Clonazepam: Clonazepam is used to prevent and control seizures. Show more ▾

This medication is known as an anticonvulsant or antiepileptic drug. It is also used to treat panic attacks. Clonazepam works by calming your brain and nerves. It belongs to a class of drugs called benzodiazepines. An anticonvulsant used for several types of seizures, including myotonic or atonic seizures, photosensitive epilepsy, and absence seizures, although tolerance may develop. It is seldom effective in generalized tonic-clonic or partial seizures. The mechanism of action appears to involve the enhancement of GAMMA-AMINOBUTYRIC ACID receptor responses.

In 2023, this provider wrote 50 Medicare prescriptions for Clonazepam, about the same volume as the typical Connecticut prescriber of this medication (52). Medicare paid an average of $24.25 per fill, versus $10.19 statewide.

How often this provider prescribes it

This provider
50
CT average
52.0

This provider's prescribing volume for this medication is in line with the average CT prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$24.25
CT average
$10.19

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

65
30-Day Fills
standardized to 30-day supplies
1,950
Days of Medication
total across all patients in 2023

About Dextroamphetamine-Amphetamine: This combination medication is used to treat attention deficit hyperactivity disorder - ADHD. Show more ▾

It works by changing the amounts of certain natural substances in the brain. Amphetamine/dextroamphetamine belongs to a class of drugs known as stimulants. It can help increase your ability to pay attention, stay focused on an activity, and control behavior problems. It may also help you to organize your tasks and improve listening skills. This drug is also used to treat a certain sleeping disorder (narcolepsy) to help you stay awake during the day. It should not be used to treat tiredness or to hold off sleep in people who do not have a sleep disorder.

In 2023, this provider wrote 32 Medicare prescriptions for Dextroamphetamine-Amphetamine, about the same volume as the typical Connecticut prescriber of this medication (32). Medicare paid an average of $64.43 per fill, versus $43.00 statewide.

How often this provider prescribes it

This provider
32
CT average
32.0

This provider's prescribing volume for this medication is in line with the average CT prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$64.43
CT average
$43.00

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

32
30-Day Fills
standardized to 30-day supplies
960
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 28 Medicare prescriptions for Lithium Carbonate, about the same volume as the typical Connecticut prescriber of this medication (27). Medicare paid an average of $3.08 per fill, versus $9.40 statewide.

How often this provider prescribes it

This provider
28
CT average
27.0

This provider's prescribing volume for this medication is in line with the average CT prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$3.08
CT average
$9.40

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

40
30-Day Fills
standardized to 30-day supplies
1,191
Days of Medication
total across all patients in 2023

About Lorazepam: This medication is used to treat serious seizures that do not stop (status epilepticus). Show more ▾

It is also used before surgeries or procedures to cause drowsiness, decrease anxiety, and cause forgetfulness about the procedure or surgery. Lorazepam belongs to a class of medications called benzodiazepines, which produce a calming effect on the brain and nerves (central nervous system). It is thought to work by increasing the effect of a certain natural chemical (GABA) in the brain. A benzodiazepine used as an anti-anxiety agent with few side effects. It also has hypnotic, anticonvulsant, and considerable sedative properties and has been proposed as a preanesthetic agent.

In 2023, this provider wrote 25 Medicare prescriptions for Lorazepam, about half the volume of the typical Connecticut prescriber of this medication (47). Medicare paid an average of $3.30 per fill, versus $8.66 statewide.

How often this provider prescribes it

This provider
25
CT average
47.0

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

What Medicare paid per fill

This provider
$3.30
CT average
$8.66

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

27
30-Day Fills
standardized to 30-day supplies
810
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 24 Medicare prescriptions for Lamotrigine, about half the volume of the typical Connecticut prescriber of this medication (47). Medicare paid an average of $20.85 per fill, versus $16.61 statewide.

How often this provider prescribes it

This provider
24
CT average
47.0

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

What Medicare paid per fill

This provider
$20.85
CT average
$16.61

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

42
30-Day Fills
standardized to 30-day supplies
1,260
Days of Medication
total across all patients in 2023

About Metformin Hcl: Metformin is used with a proper diet and exercise program and possibly with other medications to control high blood sugar. Show more ▾

It is used in patients with type 2 diabetes. Controlling high blood sugar helps prevent kidney damage, blindness, nerve problems, loss of limbs, and sexual function problems. Proper control of diabetes may also lessen your risk of a heart attack or stroke. Metformin works by helping to restore your body's proper response to the insulin you naturally produce. It also decreases the amount of sugar that your liver makes and that your stomach/intestines absorb. A biguanide hypoglycemic agent used in the treatment of non-insulin-dependent diabetes mellitus not responding to dietary modification. Metformin improves glycemic control by improving insulin sensitivity and decreasing intestinal absorption of glucose. (From Martindale, The Extra Pharmacopoeia, 30th ed, p289)

In 2023, this provider wrote 12 Medicare prescriptions for Metformin Hcl, about 15% of the volume of the typical Connecticut prescriber of this medication (82). Medicare paid an average of $2.00 per fill, versus $9.44 statewide.

How often this provider prescribes it

This provider
12
CT average
82.0

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

What Medicare paid per fill

This provider
$2.00
CT average
$9.44

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

12
30-Day Fills
standardized to 30-day supplies
360
Days of Medication
total across all patients in 2023

About Prazosin Hcl: Prazosin is used with or without other medications to treat high blood pressure. Show more ▾

Lowering high blood pressure helps prevent strokes, heart attacks, and kidney problems. Prazosin belongs to a class of medications called alpha blockers. It works by relaxing and widening blood vessels so blood can flow more easily. A selective adrenergic alpha-1 antagonist used in the treatment of HEART FAILURE; HYPERTENSION; PHEOCHROMOCYTOMA; RAYNAUD DISEASE; PROSTATIC HYPERTROPHY; and URINARY RETENTION.

In 2023, this provider wrote 12 Medicare prescriptions for Prazosin Hcl, about a third of the volume of the typical Connecticut prescriber of this medication (31). Medicare paid an average of $11.36 per fill, versus $35.69 statewide.

How often this provider prescribes it

This provider
12
CT average
31.0

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

What Medicare paid per fill

This provider
$11.36
CT average
$35.69

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

12
30-Day Fills
standardized to 30-day supplies
360
Days of Medication
total across all patients in 2023

About Dexmethylphenidate Hcl Er: This medication is used to treat attention deficit hyperactivity disorder - ADHD. Show more ▾

It works by changing the amounts of certain natural substances in the brain. Dexmethylphenidate belongs to a class of drugs known as stimulants. It can help increase your ability to pay attention, stay focused on an activity, and control behavior problems. It may also help you to organize your tasks and improve listening skills. A methylphenidate derivative, DOPAMINE UPTAKE INHIBITOR and CENTRAL NERVOUS SYSTEM STIMULANT that is used in the treatment of ATTENTION DEFICIT HYPERACTIVITY DISORDER.

In 2023, this provider wrote 11 Medicare prescriptions for Dexmethylphenidate Hcl Er, about 79% of the volume of the typical Connecticut prescriber of this medication (14). Medicare paid an average of $79.57 per fill, versus $128.41 statewide.

How often this provider prescribes it

This provider
11
CT average
14.0

This provider's prescribing volume for this medication is in line with the average CT prescriber. Utilization reflects practice size as well as clinical preference.

What Medicare paid per fill

This provider
$79.57
CT average
$128.41

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

11
30-Day Fills
standardized to 30-day supplies
330
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 CT prescriber of the same medication; volume reflects practice size as well as clinical preference.Green cost= below the CT average cost per fill.

About this data. The prescription history for ALISON JENNIFER WITTENBERG APRN MSN 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 New Haven, CT 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 CT prescribers of the same medication. Always confirm current medications and costs directly with the provider and your plan.