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Dr. Peter John Litwin, MD
NPI1154452712PAC ID4789693946
- Medicare services, 2024
- 36
- Medicare patients, 2024
- 17
- Part D claims, 2024
- 226
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 2970 Camino Diablo, Walnut Creek, CA 94597
- Practice phone
- Call (732) 982-2888
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
New Jersey Behavioral Health P.c
Behavioral health practice · Walnut Creek, California
Find Dr. Litwin's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Peter John Litwin is a psychiatrist in Walnut Creek, California
Dr. Litwin practices at New Jersey Behavioral Health P.c in Walnut Creek, California.
Dr. Litwin's NPI, 1154452712, was assigned on March 7, 2007. Dr. Litwin graduated from Icahn School of Medicine at Mount Sinai in 1990. Dr. Litwin holds New Jersey license MA65069.
NPI and contact details
- NPI
- 1154452712NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789693946
- NPI enumeration date
- March 7, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (732) 982-2888
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peter John Litwin practices at New Jersey Behavioral Health P.c in Walnut Creek, California
Dr. Litwin's primary practice is New Jersey Behavioral Health P.c, at 2970 Camino Diablo, Walnut Creek, CA 94597. The practice phone is (732) 982-2888.
- New Jersey Behavioral Health P.c2970 Camino Diablo, Walnut Creek, CA 94597Phone(732) 982-2888
Source: Dmand AI Affiliation Data
Dr. Peter John Litwin is affiliated with 4 sites of care and 3 medical groups
Dr. Litwin's primary practice is New Jersey Behavioral Health P.c in Walnut Creek, California. Dr. Litwin is also affiliated with Riverview Medical Center. The medical group on file is Portrait Health Centers, Princeton, NJ. Dmand AI also links Dr. Litwin to 2 more medical groups, 1 physician office and 1 group practice or clinic, each named with a free account.
New Jersey Behavioral Health P.cPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Peter John Litwin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Litwin practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| New Jersey Behavioral Health P.c | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Peter John Litwin is one of 6,803 psychiatrists in California
Psychiatry is Dr. Litwin's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Litwin is licensed in New Jersey.
Specialties and state licenses
- Psychiatry, New JerseyPrimary
Psychiatrists near Dr. Litwin
Counts of psychiatrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Peter John Litwin billed Medicare for 36 services in 2024
CMS data shows 36 Medicare services from Dr. Litwin across 2 procedure codes in 2024, for 17 Medicare patients. Medicare paid $4,750 for them. Every service was in an office.
Medicare services, 202436
Medicare patients17
Paid by Medicare$4,750
Procedure codes2
Dr. Litwin's Medicare services by type, 2022 to 2024
- 2022
- 2024
- Office and hospital visits
- 2022: 5392024: 2296%
- Tests and treatments
- 2022: 02024: 14
Dr. Litwin compared with the California median for psychiatrists, 2024
- Dr. Litwin
- California median
- Medicare services
- 36vs 11970% below
- Medicare patients
- 17vs 4159% below
- Part D claims
- 121vs 14416% below
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Litwin's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Litwin?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Litwin and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Peter John Litwin treated 17 Medicare patients in 2024, average age 67
CMS counts 17 Medicare patients who saw Dr. Litwin in 2024. The largest group is 85 and over, with 0 patients. 75% of them have anxiety, and 75% have depression. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Litwin's median patient age at 43, with 58% women.
Medicare patients, 202417
Average age67
Average risk score1.19
Dr. Litwin's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Litwin's Medicare patients, 2024
- Anxiety75%
- Depression75%
- High cholesterol75%
- Mood disorders75%
- High blood pressure71%
Share of Medicare patients with each condition. A patient can have several.
Dr. Litwin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 43
Patient panel by sex, all payers
- Women58%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peter John Litwin wrote 226 Medicare Part D claims in 2024
In 2024, Dr. Litwin wrote 226 Medicare Part D claims for 23 patients. 92% of them were for generic drugs. CMS names the drug for 121 of them, across 7 drugs with 11 or more claims each, at $1,155 in total drug cost. In 2023, CMS named 149 claims across 9 drugs.
Part D claims, 2024226
Drugs named by CMS7
Total drug cost$1,155
Part D patients23
Dr. Litwin's Part D claims by kind of drug, 2024
- Generic208 claims92%
- Brand-name18 claims8%
Dr. Litwin's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Litwin's Part D claims, 2024
- Antipsychotics, patients 65 and over16%36 of 226 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1492024: 12119%
Drugs named by CMS: 7 in 2024, 9 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Peter John Litwin offers telehealth to Medicare patients
Dr. Litwin accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Litwin as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Peter John Litwin has 1 publication on record
Dmand AI links 1 paper to Dr. Litwin. Dr. Litwin's most frequent co-author is Carolyn D. Runowicz, MD.
Papers1
Dr. Litwin's most frequent co-authors
Recent publications by Dr. Litwin
See who Dr. Litwin researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Litwin works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Peter John Litwin received $1,975 in industry payments from 2016 to 2022
CMS Open Payments shows 107 general payments to Dr. Litwin from 18 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 98% of the total. Janssen Pharmaceuticals, Inc paid the most, $332.
General payments to Dr. Litwin by program year, 2016 to 2022
General payments to Dr. Litwin by kind, 2016 to 2022
$2Kin total
- Food and beverage$1,92898%
- Education$472%
Companies that paid Dr. Litwin the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Peter John Litwin graduated from Icahn School of Medicine at Mount Sinai
Dr. Litwin graduated from Icahn School of Medicine at Mount Sinai in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Peter John Litwin accepts plans from 6 insurance carriers
Dr. Litwin is in network with 6 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Cigna
- CMS Medicare
- Horizon Blue Cross Blue Shield of New Jersey
Plan types Dr. Litwin accepts, by number of carriers
- Medicare5
- HMO4
- PPO4
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Peter John Litwin's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Peter John Litwin
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Peter John Litwin's NPI number?
Dr. Peter John Litwin's NPI number is 1154452712. It was assigned on March 7, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter John Litwin?
Dr. Peter John Litwin is a psychiatrist in Walnut Creek, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Peter John Litwin practice?
Dr. Litwin practices at 2970 Camino Diablo, Walnut Creek, CA 94597. Dr. Litwin's primary practice is New Jersey Behavioral Health P.c in Walnut Creek, California. Dmand AI also links Dr. Litwin to 2 medical groups, 1 physician office and 1 group practice or clinic.
What is Dr. Peter John Litwin's office phone number?
The practice phone on file for Dr. Litwin is (732) 982-2888.
What is Dr. Peter John Litwin's medical license number?
Dr. Litwin holds New Jersey license MA65069.
Which hospitals is Dr. Peter John Litwin affiliated with?
Dr. Litwin is affiliated with Riverview Medical Center.
What medical group is Dr. Peter John Litwin part of?
Dr. Litwin is linked to Portrait Health Centers, Princeton, NJ. Dmand AI links Dr. Litwin to 2 more medical groups.
Does Dr. Peter John Litwin accept Medicare?
Yes. CMS data shows Dr. Litwin billed Medicare for 36 services in 2024, and Dr. Litwin accepts Medicare assignment.
Does Dr. Peter John Litwin offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Litwin as offering telehealth services.
How many Medicare patients does Dr. Peter John Litwin see?
CMS counts 17 Medicare patients who saw Dr. Litwin in 2024, with an average age of 67.
Show 8 more questionsShow fewer questions
What services does Dr. Peter John Litwin bill to Medicare?
In 2024, Dr. Litwin's most billed Medicare services were office visit, established patient (99214) and psychiatric service (90792).
Where did Dr. Peter John Litwin go to medical school?
Dr. Litwin graduated from Icahn School of Medicine at Mount Sinai in 1990.
What drugs does Dr. Peter John Litwin prescribe most?
In 2024 Medicare Part D data, Dr. Litwin's most prescribed drugs by claims were Duloxetine HCl, Quetiapine Fumarate and Olanzapine.
Has Dr. Peter John Litwin received payments from drug or device companies?
CMS Open Payments shows $1,975 in general payments to Dr. Litwin from 18 companies from 2016 to 2022. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Peter John Litwin been practicing?
Dr. Litwin graduated from medical school in 1990, 36 years ago.
Does Dr. Peter John Litwin do research?
Dmand AI links 1 publication to Dr. Litwin.
Who does Dr. Peter John Litwin publish with?
Dr. Litwin's most frequent co-authors are Carolyn D. Runowicz, MD (1 shared paper).
What insurance does Dr. Peter John Litwin accept?
Dr. Litwin is in network with 6 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.
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