Dr. Ciprian C. Feier, MD
- Medicare services, 2024
- 256
- Medicare patients, 2024
- 238
- Part D claims, 2024
- 158
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 1680 East 120th Street, Los Angeles, CA 90059
- Practice phone
- Call (424) 835-6808
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Feier'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. Ciprian C. Feier is an emergency medicine physician in Los Angeles, California
Dr. Feier practices at Martin Luther King, Jr. Community Hospital in Los Angeles, California, part of County of Los Angeles.
Dr. Feier's NPI, 1578688073, was assigned on March 21, 2007. Dr. Feier graduated from Feinberg School of Medicine in 2004. Dr. Feier holds California license A94254.
- NPI
- 1578688073NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991873218
- NPI enumeration date
- March 21, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (424) 835-6808
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ciprian C. Feier practices at Martin Luther King, Jr. Community Hospital in Los Angeles, California
Dr. Feier's primary practice is Martin Luther King, Jr. Community Hospital, at 1680 East 120th Street, Los Angeles, CA 90059 in Los Angeles County. The practice phone is (424) 835-6808.
- Martin Luther King, Jr. Community Hospital1680 East 120th Street, Los Angeles, CA 90059 · Los Angeles CountyPhone(424) 835-6808
Source: Dmand AI Affiliation Data
Dr. Ciprian C. Feier is affiliated with 1 site of care and 2 medical groups
Dr. Feier's primary practice is Martin Luther King, Jr. Community Hospital in Los Angeles, California, part of County of Los Angeles. The medical group on file is MLK Community Medical Group. Dmand AI also links Dr. Feier to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ciprian C. Feier's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Feier practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Martin Luther King, Jr. Community Hospital | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ciprian C. Feier is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Feier's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Feier is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Feier's licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- Illinois license
Emergency medicine physicians near Dr. Feier
Counts of emergency medicine physicians 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. Ciprian C. Feier billed Medicare for 256 services in 2024
CMS data shows 256 Medicare services from Dr. Feier across 5 procedure codes in 2024, for 238 Medicare patients. Medicare paid $28,626 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Feier's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2382024: 2568%
Dr. Feier compared with the California median for emergency medicine physicians, 2024
- Dr. Feier
- California median
- Medicare services
- 256vs 265Close to median
- Medicare patients
- 238vs 243Close to median
- Part D claims
- 70vs 6213% above
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Feier'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Feier and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ciprian C. Feier treated 238 Medicare patients in 2024, average age 65
CMS counts 238 Medicare patients who saw Dr. Feier in 2024. The largest group is 65 to 74, with 127 patients. 75% of them have high blood pressure, and 70% have high cholesterol. Their average risk score is 2.33, 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. Feier's median patient age at 39, with 56% women.
Dr. Feier's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Feier's Medicare patients by sex, 2024
- Women12553%
- Men11347%
Chronic conditions among Dr. Feier's Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Arthritis56%
- Diabetes53%
- Alcohol and drug use disorders37%
- COPD37%
- Heart failure37%
- Tobacco use37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Feier's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ciprian C. Feier wrote 158 Medicare Part D claims in 2024
In 2024, Dr. Feier wrote 158 Medicare Part D claims for 93 patients. 92% of them were for generic drugs. CMS names the drug for 70 of them, across 4 drugs with 11 or more claims each, at $1,171 in total drug cost. In 2023, CMS named 92 claims across 6 drugs.
Dr. Feier's Part D claims by kind of drug, 2024
- Generic146 claims92%
- Brand-name12 claims8%
Dr. Feier'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. Feier's Part D claims, 2024
- Opioids12%19 of 158 claims
- Antibiotics30%48 of 158 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: 922024: 7024%
Drugs named by CMS: 4 in 2024, 6 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
How Dr. Ciprian C. Feier takes part in Medicare
Dr. Feier accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ciprian C. Feier graduated from Feinberg School of Medicine
Dr. Feier graduated from Feinberg School of Medicine in 2004.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Ciprian C. Feier accepts plans from 1 insurance carrier
Dr. Feier is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Ciprian C. Feier'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Ciprian C. Feier
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. Ciprian C. Feier's NPI number?
Dr. Ciprian C. Feier's NPI number is 1578688073. It was assigned on March 21, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Ciprian C. Feier?
Dr. Ciprian C. Feier is an emergency medicine physician in Los Angeles, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Ciprian C. Feier practice?
Dr. Feier practices at 1680 East 120th Street, Los Angeles, CA 90059. Dr. Feier's primary practice is Martin Luther King, Jr. Community Hospital in Los Angeles, California, part of County of Los Angeles. Dmand AI also links Dr. Feier to 1 medical group.
What is Dr. Ciprian C. Feier's office phone number?
The practice phone on file for Dr. Feier is (424) 835-6808.
What is Dr. Ciprian C. Feier's medical license number?
Dr. Feier holds California license A94254, one of the licenses on file in 2 states.
Which states has Dr. Ciprian C. Feier been licensed in?
Dmand AI has state licenses on file for Dr. Feier in California (2006 to 2027) and Illinois (2000 to 2002).
Which hospitals is Dr. Ciprian C. Feier affiliated with?
Dr. Feier practices at Martin Luther King, Jr. Community Hospital in Los Angeles, California.
What medical group is Dr. Ciprian C. Feier part of?
Dr. Feier is linked to MLK Community Medical Group. Dmand AI links Dr. Feier to 1 more medical group.
Does Dr. Ciprian C. Feier accept Medicare?
Yes. CMS data shows Dr. Feier billed Medicare for 256 services in 2024, and Dr. Feier accepts Medicare assignment.
How many Medicare patients does Dr. Ciprian C. Feier see?
CMS counts 238 Medicare patients who saw Dr. Feier in 2024, with an average age of 65.
Show 6 more questionsShow fewer questions
Is Dr. Ciprian C. Feier board certified?
Yes. Dr. Feier is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Ciprian C. Feier bill to Medicare?
In 2024, Dr. Feier's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
Where did Dr. Ciprian C. Feier go to medical school?
Dr. Feier graduated from Feinberg School of Medicine in 2004.
What drugs does Dr. Ciprian C. Feier prescribe most?
In 2024 Medicare Part D data, Dr. Feier's most prescribed drugs by claims were Cephalexin, Ibuprofen and Hydrocodone-Acetaminophen.
How long has Dr. Ciprian C. Feier been practicing?
Dr. Feier graduated from medical school in 2004, 22 years ago.
What insurance does Dr. Ciprian C. Feier accept?
Dr. Feier is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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