Adolescent PsychiatryChild PsychiatryCurriculum
Dr. Peter D. Nierman, MD
NPI1801994769
- Medicare services, 2020
- 33
- Part D claims, 2019
- 25
- Publications
- 3
- Hospital affiliations
- 1
- Industry payments
- $19
- Practice address
- 200 Freedom Ln, Aliso Viejo, CA 92656
- Practice phone
- Call (248) 839-5380
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Nierman'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 D. Nierman is a child and adolescent psychiatrist in Aliso Viejo, California
Dr. Nierman practices at Aliso Ridge Behavioral Health in Aliso Viejo, California, part of Signature HealthCARE.
Dr. Nierman's NPI, 1801994769, was assigned on September 21, 2006. Dr. Nierman graduated from Chicago Medical School/Rosalind Franklin University of Medicine Science in 1988. Dr. Nierman holds California license G168746.
NPI and contact details
- NPI
- 1801994769NPI Registry (opens in a new tab)
- NPI enumeration date
- September 21, 2006
- NPI status
- Active
- Practice phone
- (248) 839-5380
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Peter D. Nierman practices at Aliso Ridge Behavioral Health in Aliso Viejo, California
Dr. Nierman's primary practice is Aliso Ridge Behavioral Health, at 200 Freedom Ln, Aliso Viejo, CA 92656 in Orange County. The practice phone is (248) 839-5380.
- Aliso Ridge Behavioral Health200 Freedom Ln, Aliso Viejo, CA 92656 · Orange CountyPhone(248) 839-5380
Source: Dmand AI Affiliation Data
Dr. Peter D. Nierman is affiliated with 1 site of care
Dr. Nierman's primary practice is Aliso Ridge Behavioral Health in Aliso Viejo, California, part of Signature HealthCARE.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Peter D. Nierman's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nierman practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Aliso Ridge Behavioral Health | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Peter D. Nierman is one of 769 childs and adolescent psychiatrists in California
Child and adolescent psychiatry is Dr. Nierman's primary specialty in the NPI Registry, under taxonomy code 2084P0804X. Dr. Nierman is board certified in child & adolescent psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Nierman's licenses on file in 4 states: California, Illinois, Texas and Wisconsin.
Specialties and state licenses
- Child and adolescent psychiatry, CaliforniaPrimary
- Illinois license
- Texas license
- Wisconsin license
Childs and adolescent psychiatrists near Dr. Nierman
Counts of childs and adolescent 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 D. Nierman billed Medicare for 33 services in 2020
CMS data shows 33 Medicare services from Dr. Nierman across 1 procedure code in 2020. Medicare paid $2,066 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202033
Paid by Medicare$2,066
Procedure codes1
Dr. Nierman compared with the California median for childs and adolescent psychiatrists, 2020
- Dr. Nierman
- California median
- Medicare services
- 33vs 8461% below
- Part D claims
- 25vs 6159% below
Medians across 667 childs and adolescent psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Nierman's most billed Medicare procedure codes, 2020
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. Nierman?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nierman and other childs and adolescent psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Peter D. Nierman's patients have a median age of 38
Across all payers, Dmand AI patient panel data puts Dr. Nierman's median patient age at 38, with 0% women.
Dr. Nierman's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Peter D. Nierman wrote 25 Medicare Part D claims in 2019
In 2019, Dr. Nierman wrote 25 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $272 in total drug cost. In 2018, CMS named 22 claims across 2 drugs.
Part D claims, 201925
Drugs named by CMS2
Total drug cost$272
Dr. Nierman's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 222019: 2514%
Drugs named by CMS: 2 in 2019, 2 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Peter D. Nierman has 3 publications on record
Dmand AI links 3 papers to Dr. Nierman in 2024. Dr. Nierman's most frequent co-authors are Karam Radwan, Ravi Sivaperumal Ramasamy, MD and Miriam Robinovitz, MD.
Papers3
Dr. Nierman's most frequent co-authors
- Karam Radwan1 shared paper
- Ravi Sivaperumal Ramasamy, MD1 shared paper
- Miriam Robinovitz, MD1 shared paper
Recent publications by Dr. Nierman
ChicagoCommunity Mental Health ServicesCost-Benefit Analysis
J Clin Psychopharmacol
Antipsychotic AgentsClonazepamClozapine
See who Dr. Nierman researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nierman works with, so you can find a warm path to the right childs and adolescent psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Peter D. Nierman received $19 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Nierman from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $19.
Companies that paid Dr. Nierman the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Peter D. Nierman graduated from Chicago Medical School/Rosalind Franklin University of Medicine Science
Dr. Nierman graduated from Chicago Medical School/Rosalind Franklin University of Medicine Science in 1988.
- Medical school
- Board certified in child & adolescent psychiatry
Source: Dmand AI Professional Profile Data
Dr. Peter D. Nierman accepts plans from 6 insurance carriers
Dr. Nierman is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Michigan and HCSC. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- United Healthcare
Plan types Dr. Nierman accepts, by number of carriers
- Medicare6
- PPO5
- HMO3
- POS3
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Peter D. Nierman'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 DataDmand AI Org Hierarchy 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 D. Nierman
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 D. Nierman's NPI number?
Dr. Peter D. Nierman's NPI number is 1801994769. It was assigned on September 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter D. Nierman?
Dr. Peter D. Nierman is a child and adolescent psychiatrist in Aliso Viejo, California. The primary specialty in the NPI Registry is Child & Adolescent Psychiatry Physician (taxonomy code 2084P0804X).
Where does Dr. Peter D. Nierman practice?
Dr. Nierman practices at 200 Freedom Ln, Aliso Viejo, CA 92656. Dr. Nierman's primary practice is Aliso Ridge Behavioral Health in Aliso Viejo, California, part of Signature HealthCARE.
What is Dr. Peter D. Nierman's office phone number?
The practice phone on file for Dr. Nierman is (248) 839-5380.
What is Dr. Peter D. Nierman's medical license number?
Dr. Nierman holds California license G168746, one of the licenses on file in 4 states.
Which states has Dr. Peter D. Nierman been licensed in?
Dmand AI has state licenses on file for Dr. Nierman in California (2020 to 2026), Illinois (1990 to 2026), Texas (2020) and Wisconsin (2002 to 2003).
Which hospitals is Dr. Peter D. Nierman affiliated with?
Dr. Nierman practices at Aliso Ridge Behavioral Health in Aliso Viejo, California.
Does Dr. Peter D. Nierman accept Medicare?
Yes. CMS data shows Dr. Nierman billed Medicare for 33 services in 2020.
Is Dr. Peter D. Nierman board certified?
Yes. Dr. Nierman is board certified in child & adolescent psychiatry by the American Board of Psychiatry and Neurology.
What services does Dr. Peter D. Nierman bill to Medicare?
In 2020, Dr. Nierman's most billed Medicare services were hospital inpatient care (99232).
Show 7 more questionsShow fewer questions
Where did Dr. Peter D. Nierman go to medical school?
Dr. Nierman graduated from Chicago Medical School/Rosalind Franklin University of Medicine Science in 1988.
What drugs does Dr. Peter D. Nierman prescribe most?
In 2019 Medicare Part D data, Dr. Nierman's most prescribed drugs by claims were Benztropine Mesylate and Risperidone.
Has Dr. Peter D. Nierman received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Dr. Nierman from 1 company from 2023 to 2023. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Peter D. Nierman been practicing?
Dr. Nierman graduated from medical school in 1988, 38 years ago.
Does Dr. Peter D. Nierman do research?
Dmand AI links 3 publications to Dr. Nierman.
Who does Dr. Peter D. Nierman publish with?
Dr. Nierman's most frequent co-authors are Karam Radwan (1 shared paper), Ravi Sivaperumal Ramasamy, MD (1 shared paper) and Miriam Robinovitz, MD (1 shared paper).
What insurance does Dr. Peter D. Nierman accept?
Dr. Nierman is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Michigan and HCSC. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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