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Dr. Lawrence Stephen Long Jr., MD
NPI1902112444PAC ID6204059116
- Medicare services, 2024
- 39
- Medicare patients, 2024
- 136
- Publications
- 3
- Hospital affiliations
- 3
- Industry payments
- $100
- Practice address
- 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598
- Practice phone
- Call (925) 939-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Long'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. Lawrence Stephen Long Jr. is an anesthesiologist in Walnut Creek, California
Dr. Long practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health.
Dr. Long's NPI, 1902112444, was assigned on August 22, 2010. Dr. Long graduated from Georgetown University School Of Medicine in 2009. Dr. Long holds California license A114068.
NPI and contact details
- NPI
- 1902112444NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204059116
- NPI enumeration date
- August 22, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (925) 939-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lawrence Stephen Long Jr. practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California
Dr. Long's primary practice is John Muir Medical Center, Walnut Creek, at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 in Contra Costa County. The practice phone is (925) 939-3000.
- John Muir Medical Center, Walnut Creek1601 Ygnacio Valley Rd, Walnut Creek, CA 94598 · Contra Costa CountyPhone(925) 939-3000
Source: Dmand AI Affiliation Data
Dr. Lawrence Stephen Long Jr. is affiliated with 9 sites of care and 8 medical groups
Dr. Long's primary practice is John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health. Dr. Long is also affiliated with Concord Medical Center. The medical group on file is UCSF Medical Group. Dmand AI also links Dr. Long to 1 more hospital, 7 medical groups and 6 group practices and clinics, each named with a free account.
Concord Medical CenterUCSF Medical Group1 hospitalName with a free account7 medical groupsNames with a free account6 group practices and clinicsNames with a free account
See all 17 affiliations for Dr. LongSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Lawrence Stephen Long Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Long practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John Muir Medical Center, Walnut Creek | Available with a free account |
| +8 more sites and 7 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Lawrence Stephen Long Jr. is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Long's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Long is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Long is licensed in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Long
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
6,593anesthesiologists in California91anesthesiologists in Walnut Creek35anesthesiologists at John Muir Medical Center, Walnut Creek
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Lawrence Stephen Long Jr. billed Medicare for 39 services in 2024
CMS data shows 39 Medicare services from Dr. Long across 2 procedure codes in 2024, for 136 Medicare patients. Medicare paid $3,625 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202439
Medicare patients136
Paid by Medicare$3,625
Procedure codes2
Dr. Long's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 142024: 2257%
- Office and hospital visits
- 2023: 02024: 17
Dr. Long compared with the California median for anesthesiologists, 2024
- Dr. Long
- California median
- Medicare services
- 39vs 7246% below
- Medicare patients
- 136vs 143Close to median
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Long'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. Long?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Long and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lawrence Stephen Long Jr. treated 136 Medicare patients in 2024, average age 75
CMS counts 136 Medicare patients who saw Dr. Long in 2024. The largest group is 65 to 74, with 55 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 33% are also on Medicaid. Their average risk score is 2.15, 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. Long's median patient age at 44, with 46% women.
Medicare patients, 2024136
Average age75
Average risk score2.15
Also on Medicaid33%
Dr. Long's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Long's Medicare patients by sex, 2024
- Women6447%
- Men7253%
Chronic conditions among Dr. Long's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Mood disorders43%
- Chronic kidney disease42%
- Atrial fibrillation40%
- Diabetes40%
- Anxiety35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Long's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women46%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Lawrence Stephen Long Jr. takes part in Medicare
Dr. Long 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. Lawrence Stephen Long Jr. has 3 publications on record
Dmand AI links 3 papers to Dr. Long, published from 2010 to 2014. The most frequent topics are Postoperative Complications. Dr. Long's most frequent co-authors are Leslea A. Brickner, MD, Lisa K. Helfend, PhD, MD and Derek S. Kubota, MD.
Papers3
Years published2010 to 2014
Topics Dr. Long writes about most
- Postoperative Complications
Dr. Long's most frequent co-authors
- Leslea A. Brickner, MD1 shared paper
- Lisa K. Helfend, PhD, MD1 shared paper
- Derek S. Kubota, MD1 shared paper
Recent publications by Dr. Long
Paediatr Anaesth
Analgesics, OpioidCerebral PalsyFentanyl
See who Dr. Long researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Long works with, so you can find a warm path to the right anesthesiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Lawrence Stephen Long Jr. received $100 in industry payments in 2018
CMS Open Payments shows 1 general payment to Dr. Long from 1 drug or device company in 2018. Food and beverage make up the largest share, 100% of the total. Novartis Pharmaceuticals Corporation paid the most, $100.
Companies that paid Dr. Long the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lawrence Stephen Long Jr. graduated from Georgetown University School Of Medicine
Dr. Long graduated from Georgetown University School Of Medicine in 2009.
- Medical school
- Board certified in anesthesiology
- Board certified in pediatric anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Lawrence Stephen Long Jr. accepts plans from 4 insurance carriers
Dr. Long is in network with 4 carriers, including United Healthcare, Blue Cross and Blue Shield of Kansas City and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- United Healthcare
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- NV State Medicaid
Plan types Dr. Long accepts, by number of carriers
- EPO1
- HMO1
- Medicaid1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Lawrence Stephen Long Jr.'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Lawrence Stephen Long Jr.
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. Lawrence Stephen Long Jr.'s NPI number?
Dr. Lawrence Stephen Long Jr.'s NPI number is 1902112444. It was assigned on August 22, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Lawrence Stephen Long Jr.?
Dr. Lawrence Stephen Long Jr. is an anesthesiologist in Walnut Creek, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Lawrence Stephen Long Jr. practice?
Dr. Long practices at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598. Dr. Long's primary practice is John Muir Medical Center, Walnut Creek in Walnut Creek, California, part of John Muir Health. Dmand AI also links Dr. Long to 1 hospital, 7 medical groups and 6 group practices and clinics.
What is Dr. Lawrence Stephen Long Jr.'s office phone number?
The practice phone on file for Dr. Long is (925) 939-3000.
What is Dr. Lawrence Stephen Long Jr.'s medical license number?
Dr. Long holds California license A114068.
Which hospitals is Dr. Lawrence Stephen Long Jr. affiliated with?
Dr. Long practices at John Muir Medical Center, Walnut Creek in Walnut Creek, California. Dr. Long is also affiliated with Concord Medical Center. Dmand AI links Dr. Long to 1 more hospital.
What medical group is Dr. Lawrence Stephen Long Jr. part of?
Dr. Long is linked to UCSF Medical Group. Dmand AI links Dr. Long to 7 more medical groups.
Does Dr. Lawrence Stephen Long Jr. accept Medicare?
Yes. CMS data shows Dr. Long billed Medicare for 39 services in 2024, and Dr. Long accepts Medicare assignment.
How many Medicare patients does Dr. Lawrence Stephen Long Jr. see?
CMS counts 136 Medicare patients who saw Dr. Long in 2024, with an average age of 75.
Is Dr. Lawrence Stephen Long Jr. board certified?
Yes. Dr. Long is board certified in anesthesiology by the American Board of Anesthesiology.
Show 7 more questionsShow fewer questions
What services does Dr. Lawrence Stephen Long Jr. bill to Medicare?
In 2024, Dr. Long's most billed Medicare services were anesthesia (00731) and hospital inpatient care (99231).
Where did Dr. Lawrence Stephen Long Jr. go to medical school?
Dr. Long graduated from Georgetown University School Of Medicine in 2009.
Has Dr. Lawrence Stephen Long Jr. received payments from drug or device companies?
CMS Open Payments shows $100 in general payments to Dr. Long from 1 company from 2018 to 2018. The largest total came from Novartis Pharmaceuticals Corporation.
How long has Dr. Lawrence Stephen Long Jr. been practicing?
Dr. Long graduated from medical school in 2009, 17 years ago.
Does Dr. Lawrence Stephen Long Jr. do research?
Dmand AI links 3 publications to Dr. Long, published from 2010 to 2014.
Who does Dr. Lawrence Stephen Long Jr. publish with?
Dr. Long's most frequent co-authors are Leslea A. Brickner, MD (1 shared paper), Lisa K. Helfend, PhD, MD (1 shared paper) and Derek S. Kubota, MD (1 shared paper).
What insurance does Dr. Lawrence Stephen Long Jr. accept?
Dr. Long is in network with 4 carriers, including United Healthcare, Blue Cross and Blue Shield of Kansas City and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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