EthanolMycobacterium tuberculosisRNA, Bacterial
Dr. Nicholas Walter, MD
NPI1235493222
- Medicare services, 2019
- 3,828
- Part D claims, 2024
- 25
- Publications
- 42
- Hospital affiliations
- 1
- Industry payments
- $1,588
- 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. Walter'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. Nicholas Walter is a family medicine physician in Los Angeles, California
Dr. Walter practices at Martin Luther King, Jr. Community Hospital in Los Angeles, California, part of County of Los Angeles.
Dr. Walter's NPI, 1235493222, was assigned on June 25, 2012. Dr. Walter holds Arizona license R73521.
NPI and contact details
- NPI
- 1235493222NPI Registry (opens in a new tab)
- NPI enumeration date
- June 25, 2012
- NPI status
- Active
- Practice phone
- (424) 835-6808
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Nicholas Walter practices at Martin Luther King, Jr. Community Hospital in Los Angeles, California
Dr. Walter'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. Nicholas Walter is affiliated with 1 site of care
Dr. Walter's primary practice is Martin Luther King, Jr. Community Hospital in Los Angeles, California, part of County of Los Angeles.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Nicholas Walter's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Walter 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 |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Walter practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across County of Los Angeles and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Nicholas Walter is one of 15,680 family medicine physicians in California
Family medicine is Dr. Walter's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Walter is licensed in Arizona.
Specialties and state licenses
- Family medicine, ArizonaPrimary
Family medicine physicians near Dr. Walter
Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
15,680family medicine physicians in California803family medicine physicians in Los Angeles10family medicine physicians at Martin Luther King, Jr. Community Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Nicholas Walter billed Medicare for 3,828 services in 2019
CMS data shows 3,828 Medicare services from Dr. Walter across 15 procedure codes in 2019. Medicare paid $175,335 for them. Every service was in an office.
Medicare services, 20193,828
Paid by Medicare$175,335
Procedure codes15
Dr. Walter's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Drugs given in the office
- 2018: 1,3202019: 1,86041%
- Office and hospital visits
- 2018: 1,2282019: 1,3056%
- Other services
- 2018: 5722019: 46119%
- Tests and treatments
- 2018: 2872019: 19133%
- Surgery
- 2018: 172019: 1135%
Dr. Walter compared with the California median for family medicine physicians, 2019
- Dr. Walter
- California median
- Medicare services
- 3,828vs 24615.6 times
- Part D claims
- 2,030vs 8332.4 times
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Walter's most billed Medicare procedure codes, 2019
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. Walter?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Walter and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nicholas Walter's patients have a median age of 81
Across all payers, Dmand AI patient panel data puts Dr. Walter's median patient age at 81, with 41% women.
Dr. Walter's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 81
Patient panel by sex, all payers
- Women41%
- Men55%
Source: Dmand AI Patient Panel Data
Dr. Nicholas Walter wrote 25 Medicare Part D claims in 2024
In 2024, Dr. Walter wrote 25 Medicare Part D claims for 18 patients. 96% of them were for generic drugs. They cover 50 drugs, with $73,222 in total drug cost. In 2019, CMS named 7,807 claims across 114 drugs.
Part D claims, 202425
Drugs named by CMS50
Total drug cost$73,222
Part D patients18
Dr. Walter's Part D claims by kind of drug, 2024
- Generic24 claims96%
- Brand-name and other1 claims4%
Dr. Walter's most prescribed drugs by claims, 2020
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. Walter's Part D claims, 2024
- Antibiotics56%14 of 25 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, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 7,8072020: 2,03074%
Drugs named by CMS: 50 in 2020, 114 in 2019.
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
For MedTech and pharma teams
Find family medicine physicians like Dr. Walter by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Nicholas Walter has 42 publications on record
Dmand AI links 42 papers to Dr. Walter, published from 2010 to 2025. 2023 was the busiest year, with 5. The most frequent topics are Mycobacterium tuberculosis, Tuberculosis and Antitubercular Agents. Dr. Walter has published most often in Antimicrob Agents Chemother. Dr. Walter's most frequent co-authors are Laurence Huang, MD, Adithya Cattamanchi, MD and Payam Nahid, MD, MPH.
Papers42
Years published2010 to 2025
Dr. Walter's papers by year, 2015 to 2025
Topics Dr. Walter writes about most
- Mycobacterium tuberculosis
- Tuberculosis
- Antitubercular Agents
- Tuberculosis, Pulmonary
- Sputum
- HIV Infections
- Uganda
- RNA, Bacterial
Dr. Walter's most frequent co-authors
- Laurence Huang, MD10 shared papers
- Adithya Cattamanchi, MD9 shared papers
- Payam Nahid, MD, MPH9 shared papers
Recent publications by Dr. Walter
Antitubercular AgentsClinical Trials, Phase II as TopicClofazimine
Antimicrob Agents Chemother
Antitubercular AgentsDiarylquinolinesDisease Models, Animal
See who Dr. Walter researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Walter works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nicholas Walter received $1,588 in industry payments from 2016 to 2019
CMS Open Payments shows 64 general payments to Dr. Walter from 13 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $829.
General payments to Dr. Walter by program year, 2016 to 2019
Companies that paid Dr. Walter the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Nicholas Walter'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)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) |
| 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. Nicholas Walter
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. Nicholas Walter's NPI number?
Dr. Nicholas Walter's NPI number is 1235493222. It was assigned on June 25, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Nicholas Walter?
Dr. Nicholas Walter is a family medicine physician in Los Angeles, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Nicholas Walter practice?
Dr. Walter practices at 1680 East 120th Street, Los Angeles, CA 90059. Dr. Walter's primary practice is Martin Luther King, Jr. Community Hospital in Los Angeles, California, part of County of Los Angeles.
What is Dr. Nicholas Walter's office phone number?
The practice phone on file for Dr. Walter is (424) 835-6808.
What is Dr. Nicholas Walter's medical license number?
Dr. Walter holds Arizona license R73521.
Which hospitals is Dr. Nicholas Walter affiliated with?
Dr. Walter practices at Martin Luther King, Jr. Community Hospital in Los Angeles, California.
Does Dr. Nicholas Walter accept Medicare?
Yes. CMS data shows Dr. Walter billed Medicare for 3,828 services in 2019.
What services does Dr. Nicholas Walter bill to Medicare?
In 2019, Dr. Walter's most billed Medicare services were injected or infused drug (J0897), office visit, established patient (99214) and medicare service (G0439).
What drugs does Dr. Nicholas Walter prescribe most?
In 2020 Medicare Part D data, Dr. Walter's most prescribed drugs by claims were Levothyroxine Sodium, Atorvastatin Calcium and Amlodipine Besylate.
Has Dr. Nicholas Walter received payments from drug or device companies?
CMS Open Payments shows $1,588 in general payments to Dr. Walter from 13 companies from 2016 to 2019. The largest total came from Amgen Inc.
Show 3 more questionsShow fewer questions
How long has Dr. Nicholas Walter been practicing?
Dr. Walter's NPI was assigned in 2012.
Does Dr. Nicholas Walter do research?
Dmand AI links 42 publications to Dr. Walter, published from 2010 to 2025.
Who does Dr. Nicholas Walter publish with?
Dr. Walter's most frequent co-authors are Laurence Huang, MD (10 shared papers), Adithya Cattamanchi, MD (9 shared papers) and Payam Nahid, MD, MPH (9 shared papers).
Selling to family medicine practices?
See family medicine physicians in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card