Dr. Robert W. Lash, MD
- Medicare services, 2017
- 389
- Part D claims, 2018
- 39
- Publications
- 4
- Industry payments
- $409
- State licenses
- 2
- Practice address
- 2300 M St Nw, Washington, DC 20037
- Practice phone
- Call (202) 741-2302
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Lash'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. Robert W. Lash is an endocrinologist in Washington, District of Columbia
Dr. Lash practices in Washington, District of Columbia.
Dr. Lash's NPI, 1053494989, was assigned on October 23, 2006. Dr. Lash holds District of Columbia license MD046176.
- NPI
- 1053494989NPI Registry (opens in a new tab)
- NPI enumeration date
- October 23, 2006
- NPI status
- Active
- Practice phone
- (202) 741-2302
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Robert W. Lash's practice address is in Washington, District of Columbia
Dr. Lash's practice address in the NPI Registry is 2300 M St Nw, Washington, DC 20037. The practice phone is (202) 741-2302.
- NPI Registry address2300 M St Nw, Washington, DC 20037Phone(202) 741-2302
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Robert W. Lash's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lash practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Lash's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert W. Lash is one of 53 endocrinologists in District of Columbia
Endocrinology, diabetes and metabolism is Dr. Lash's primary specialty in the NPI Registry, under taxonomy code 207RE0101X. Dmand AI has Dr. Lash's licenses on file in 2 states: District of Columbia and Michigan.
Specialties and state licenses
- Endocrinology, diabetes and metabolism, District of ColumbiaPrimary
- Internal medicine, Michigan
Endocrinologists near Dr. Lash
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. Robert W. Lash billed Medicare for 389 services in 2017
CMS data shows 389 Medicare services from Dr. Lash across 4 procedure codes in 2017. Medicare paid $27,868 for them.
Dr. Lash's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Office and hospital visits
- 2016: 3242017: 38920%
Where Dr. Lash's Medicare services took place, 2017
- In an office7920%
- In a facility31080%
Dr. Lash compared with the District of Columbia median for endocrinologists, 2017
- Dr. Lash
- District of Columbia median
- Medicare services
- 389vs 54929% below
- Part D claims
- 39vs 79795% below
Medians across 50 endocrinologists in District of Columbia with Dmand AI profiles that report each measure.
Dr. Lash's most billed Medicare procedure codes, 2017
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. Lash?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lash and other endocrinologists in District of Columbia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert W. Lash's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Dr. Lash's median patient age at 73, with 100% women.
Dr. Lash's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Robert W. Lash wrote 39 Medicare Part D claims in 2018
In 2018, Dr. Lash wrote 39 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $757 in total drug cost. In 2017, CMS named 224 claims across 11 drugs.
Dr. Lash's most prescribed drugs by claims, 2018
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, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 2242018: 3983%
Drugs named by CMS: 2 in 2018, 11 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Robert W. Lash has 4 publications on record
Dmand AI links 4 papers to Dr. Lash, published from 2020 to 2025. Dr. Lash's most frequent co-authors are Ananta Addala, Brigitte Isobel Frohnert, MD, PhD and William A. Hagopian, MD.
Dr. Lash's most frequent co-authors
- Ananta Addala2 shared papers
- Brigitte Isobel Frohnert, MD, PhD2 shared papers
- William A. Hagopian, MD2 shared papers
Recent publications by Dr. Lash
J Clin Endocrinol Metab
See who Dr. Lash researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lash 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. Robert W. Lash received $409 in industry payments from 2017 to 2025
CMS Open Payments shows 9 general payments to Dr. Lash from 2 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $389.
General payments to Dr. Lash by program year, 2017 to 2025
Companies that paid Dr. Lash the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Robert W. Lash'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice 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) |
| 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. Robert W. Lash
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. Robert W. Lash's NPI number?
Dr. Robert W. Lash's NPI number is 1053494989. It was assigned on October 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert W. Lash?
Dr. Robert W. Lash is an endocrinologist in Washington, District of Columbia. The primary specialty in the NPI Registry is Endocrinology, Diabetes & Metabolism Physician (taxonomy code 207RE0101X).
Where does Dr. Robert W. Lash practice?
Dr. Lash practices at 2300 M St Nw, Washington, DC 20037.
What is Dr. Robert W. Lash's office phone number?
The practice phone on file for Dr. Lash is (202) 741-2302.
What is Dr. Robert W. Lash's medical license number?
Dr. Lash holds District of Columbia license MD046176, one of the licenses on file in 2 states.
Which states has Dr. Robert W. Lash been licensed in?
Dmand AI has state licenses on file for Dr. Lash in District of Columbia and Michigan.
Does Dr. Robert W. Lash accept Medicare?
Yes. CMS data shows Dr. Lash billed Medicare for 389 services in 2017.
What services does Dr. Robert W. Lash bill to Medicare?
In 2017, Dr. Lash's most billed Medicare services were hospital inpatient care (99232), office visit, established patient (99214) and hospital inpatient care (99238).
What drugs does Dr. Robert W. Lash prescribe most?
In 2018 Medicare Part D data, Dr. Lash's most prescribed drugs by claims were Levothyroxine Sodium and Lisinopril.
Has Dr. Robert W. Lash received payments from drug or device companies?
CMS Open Payments shows $409 in general payments to Dr. Lash from 2 companies from 2017 to 2025. The largest total came from Novo Nordisk Inc.
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How long has Dr. Robert W. Lash been practicing?
Dr. Lash's NPI was assigned in 2006.
Does Dr. Robert W. Lash do research?
Dmand AI links 4 publications to Dr. Lash, published from 2020 to 2025.
Who does Dr. Robert W. Lash publish with?
Dr. Lash's most frequent co-authors are Ananta Addala (2 shared papers), Brigitte Isobel Frohnert, MD, PhD (2 shared papers) and William A. Hagopian, MD (2 shared papers).
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