Dr. Peter A. Singer, MD
- Medicare services, 2024
- 150
- Medicare patients, 2024
- 154
- Part D claims, 2024
- 331
- Publications
- 4
- Hospital affiliations
- 1
- Practice address
- 2051 Marengo St, Room C2K100, Los Angeles, CA 90033
- Practice phone
- Call (323) 226-2800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Singer'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 A. Singer is an endocrinologist in Los Angeles, California
Dr. Singer practices at Los Angeles General Medical Center in Los Angeles, California, part of County of Los Angeles.
Dr. Singer's NPI, 1851320105, was assigned on June 30, 2006. Dr. Singer graduated from UCSF School of Medicine in 1965. Dr. Singer holds California license A22036.
- NPI
- 1851320105NPI Registry (opens in a new tab)
- NPI enumeration date
- June 30, 2006
- NPI status
- Active
- Practice phone
- (323) 226-2800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 87
- Medical school graduation
- 1965
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Peter A. Singer practices at Los Angeles General Medical Center in Los Angeles, California
Dr. Singer's primary practice is Los Angeles General Medical Center, at 2051 Marengo St, Room C2K100, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 226-2800.
- Los Angeles General Medical Center2051 Marengo St, Room C2K100, Los Angeles, CA 90033 · Los Angeles CountyPhone(323) 226-2800
Source: Dmand AI Affiliation Data
Dr. Peter A. Singer is affiliated with 2 sites of care and 1 medical group
Dr. Singer's primary practice is Los Angeles General Medical Center in Los Angeles, California, part of County of Los Angeles. The medical group on file is USC Care Medical Group. Dmand AI also links Dr. Singer to 1 more group practice or clinic, named with a free account. Dr. Singer's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Peter A. Singer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Singer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Los Angeles General Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Peter A. Singer is one of 1,062 endocrinologists in California
Endocrinology, diabetes and metabolism is Dr. Singer's primary specialty in the NPI Registry, under taxonomy code 207RE0101X. Dr. Singer is board certified in endocrinology, diabetes and metabolism by the American Board of Internal Medicine. Dr. Singer is licensed in California.
Specialties and state licenses
- Endocrinology, diabetes and metabolism, CaliforniaPrimary
Clinical focus
Dmand AI lists enlarged thyroid, osteoporosis, overactive thyroid, parathyroid gland disorder and underactive thyroid among the conditions Dr. Singer treats.
Endocrinologists near Dr. Singer
Counts of endocrinologists 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 A. Singer billed Medicare for 150 services in 2024
CMS data shows 150 Medicare services from Dr. Singer across 4 procedure codes in 2024, all of them office visits, for 154 Medicare patients. Medicare paid $11,830 for them.
Dr. Singer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1472024: 1502%
Where Dr. Singer's Medicare services took place, 2024
- In an office6141%
- In a facility8959%
Dr. Singer compared with the California median for endocrinologists, 2024
- Dr. Singer
- California median
- Medicare services
- 150vs 67578% below
- Medicare patients
- 154vs 24036% below
- Part D claims
- 280vs 1,10475% below
Medians across 994 endocrinologists in California with Dmand AI profiles that report each measure.
Dr. Singer'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. Singer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Singer and other endocrinologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Peter A. Singer treated 154 Medicare patients in 2024, average age 70
CMS counts 154 Medicare patients who saw Dr. Singer in 2024. The largest group is 65 to 74, with 75 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 38% are also on Medicaid. Their average risk score is 2.04, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Singer's median patient age at 63, with 73% women.
Dr. Singer's Medicare patients by age, 2024
Dr. Singer's Medicare patients by sex, 2024
- Women11675%
- Men3825%
Chronic conditions among Dr. Singer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Anxiety32%
- Diabetes32%
- Mood disorders31%
- Depression29%
- Ischemic heart disease28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Singer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women73%
- Men24%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peter A. Singer wrote 331 Medicare Part D claims in 2024
In 2024, Dr. Singer wrote 331 Medicare Part D claims for 89 patients. 52% of them were for generic drugs. CMS names the drug for 280 of them, across 4 drugs with 11 or more claims each, at $8,728 in total drug cost. In 2023, CMS named 279 claims across 5 drugs.
Dr. Singer's Part D claims by kind of drug, 2024
- Generic173 claims52%
- Brand-name and other158 claims48%
Dr. Singer'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2792024: 280No change
Drugs named by CMS: 4 in 2024, 5 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
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Dr. Peter A. Singer has 4 publications on record
Dmand AI links 4 papers to Dr. Singer.
Recent publications by Dr. Singer
See who Dr. Singer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Singer works with, so you can find a warm path to the right endocrinologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Peter A. Singer received $109,270 in industry payments from 2016 to 2023
CMS Open Payments shows 105 general payments to Dr. Singer from 6 drug and device companies from 2016 to 2023. Consulting fees make up the largest share, 70% of the total. Sanofi and Genzyme US Companies paid the most, $97,268.
General payments to Dr. Singer by program year, 2016 to 2023
General payments to Dr. Singer by kind, 2016 to 2023
- Consulting fees$76,72970%
- Speaker and faculty fees$17,39016%
- Travel and lodging$12,93412%
- Food and beverage$2,2182%
Companies that paid Dr. Singer the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Peter A. Singer has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Singer.
Awards and honors for Dr. Singer
- Undated
- AACE Fellow
- Checkbook Top Doc
- Super Doc
Source: Dmand AI Professional Profile Data
Dr. Peter A. Singer graduated from UCSF School of Medicine
Dr. Singer graduated from UCSF School of Medicine in 1965.
- Medical school
- Board certified in endocrinology, diabetes and metabolism
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Peter A. Singer accepts plans from 8 insurance carriers
Dr. Singer is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- LA Care
- Regence Health Plans
- CMS Medicare
- Molina
Plan types Dr. Singer accepts, by number of carriers
- Medicare7
- PPO5
- HMO3
- POS2
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Peter A. Singer'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 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) |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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 A. Singer
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 A. Singer's NPI number?
Dr. Peter A. Singer's NPI number is 1851320105. It was assigned on June 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter A. Singer?
Dr. Peter A. Singer is an endocrinologist in Los Angeles, California. The primary specialty in the NPI Registry is Endocrinology, Diabetes & Metabolism Physician (taxonomy code 207RE0101X).
Where does Dr. Peter A. Singer practice?
Dr. Singer practices at 2051 Marengo St, Room C2K100, Los Angeles, CA 90033. Dr. Singer's primary practice is Los Angeles General Medical Center in Los Angeles, California, part of County of Los Angeles. Dmand AI also links Dr. Singer to 1 group practice or clinic.
What is Dr. Peter A. Singer's office phone number?
The practice phone on file for Dr. Singer is (323) 226-2800.
What is Dr. Peter A. Singer's medical license number?
Dr. Singer holds California license A22036.
Which hospitals is Dr. Peter A. Singer affiliated with?
Dr. Singer practices at Los Angeles General Medical Center in Los Angeles, California.
What medical group is Dr. Peter A. Singer part of?
Dr. Singer is linked to USC Care Medical Group.
Does Dr. Peter A. Singer accept Medicare?
Yes. CMS data shows Dr. Singer billed Medicare for 150 services in 2024.
How many Medicare patients does Dr. Peter A. Singer see?
CMS counts 154 Medicare patients who saw Dr. Singer in 2024, with an average age of 70.
Is Dr. Peter A. Singer board certified?
Yes. Dr. Singer is board certified in endocrinology, diabetes and metabolism by the American Board of Internal Medicine.
Show 7 more questionsShow fewer questions
What services does Dr. Peter A. Singer bill to Medicare?
In 2024, Dr. Singer's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and office visit, new patient (99203).
Where did Dr. Peter A. Singer go to medical school?
Dr. Singer graduated from UCSF School of Medicine in 1965.
What drugs does Dr. Peter A. Singer prescribe most?
In 2024 Medicare Part D data, Dr. Singer's most prescribed drugs by claims were Levothyroxine Sodium, Synthroid and Methimazole.
Has Dr. Peter A. Singer received payments from drug or device companies?
CMS Open Payments shows $109,270 in general payments to Dr. Singer from 6 companies from 2016 to 2023. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Peter A. Singer been practicing?
Dr. Singer graduated from medical school in 1965, 61 years ago.
Does Dr. Peter A. Singer do research?
Dmand AI links 4 publications to Dr. Singer.
What insurance does Dr. Peter A. Singer accept?
Dr. Singer is in network with 8 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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