Dr. Michael Dennis Gill, MD

  • Lompoc, CA
  • Orthopedic surgeon
NPI1497847123
Medicare services, 2021
32,034
Part D claims, 2021
44
Publications
541
Hospital affiliations
1
Industry payments
$795
Practice address
1515 E Ocean Avenue, Lompoc, CA 93436
Practice phone
Call (805) 737-3300
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Lompoc Valley Medical Center

Hospital · Lompoc, California

See all 4 affiliations

Find Dr. Gill'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.

View contacts for free

Dr. Michael Dennis Gill is an orthopedic surgeon in Lompoc, California

Dr. Gill practices at Lompoc Valley Medical Center in Lompoc, California, part of Lompoc Valley Medical Center.

Dr. Gill's NPI, 1497847123, was assigned on September 29, 2006. Dr. Gill graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1980. Dr. Gill holds California license G54515.

NPI and contact details
NPI enumeration date
September 29, 2006
NPI status
Active
Practice phone
(805) 737-3300
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
72
Medical school graduation
1980

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Michael Dennis Gill practices at 2 locations in Lompoc, California

Dr. Gill's primary practice is Lompoc Valley Medical Center, at 1515 E Ocean Avenue, Lompoc, CA 93436 in Santa Barbara County. The practice phone is (805) 737-3300. The NPI Registry lists Dr. Gill's practice address as 1509 Ocean Way, Lompoc, CA 93436.

  • Lompoc Valley Medical CenterPrimary
    1515 E Ocean Avenue, Lompoc, CA 93436 · Santa Barbara CountyPhone(805) 737-3300
  • NPI Registry address
    1509 Ocean Way, Lompoc, CA 93436 · Santa Barbara CountyPhone(805) 735-7621

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Dr. Michael Dennis Gill is affiliated with 3 sites of care and 1 medical group

Dr. Gill's primary practice is Lompoc Valley Medical Center in Lompoc, California, part of Lompoc Valley Medical Center. The medical group on file is Lompoc Valley Medical Center. Dmand AI also links Dr. Gill to 1 more physician office and 1 group practice or clinic, each named with a free account.

See all 4 affiliations for Dr. Gill

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Michael Dennis Gill's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gill practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Lompoc Valley Medical CenterAvailable with a free account
+2 more affiliated sitesAvailable 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. Gill practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Lompoc Valley Medical Center and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Michael Dennis Gill is one of 2,056 orthopedic surgeons in California

Orthopaedic surgery is Dr. Gill's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Gill is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dr. Gill is licensed in California.

Specialties and state licenses

  • Orthopaedic surgery, CaliforniaPrimaryLicense G54515 · 1985 to 2026 · taxonomy 207X00000X

Orthopedic surgeons near Dr. Gill

Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.

2,056orthopedic surgeons in California
2orthopedic surgeons in Lompoc

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Michael Dennis Gill billed Medicare for 32,034 services in 2021

CMS data shows 32,034 Medicare services from Dr. Gill across 9 procedure codes in 2021. Medicare paid $94,057 for them. Every service was in an office.

Medicare services, 202132,034
Paid by Medicare$94,057
Procedure codes9

Dr. Gill's Medicare services by type, 2020 to 2021

  • 2020
  • 2021
Drugs given in the office
2020: 25,3522021: 31,38624%
Office and hospital visits
2020: 4912021: 36725%
Surgery
2020: 2752021: 2812%

Dr. Gill compared with the California median for orthopedic surgeons, 2021

  • Dr. Gill
  • California median
Medicare services
32,034vs 68346.9 times
Part D claims
44vs 7037% below

Medians across 1,844 orthopedic surgeons in California with Dmand AI profiles that report each measure.

Dr. Gill's most billed Medicare procedure codes, 2021

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Gill

Need commercial claims for Dr. Gill?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Gill and other orthopedic surgeons in California.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Michael Dennis Gill's patients have a median age of 65

Across all payers, Dmand AI patient panel data puts Dr. Gill's median patient age at 65, with 51% women.

Dr. Gill's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women51%
  • Men49%

Source: Dmand AI Patient Panel Data

Dr. Michael Dennis Gill wrote 44 Medicare Part D claims in 2021

In 2021, Dr. Gill wrote 44 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $1,195 in total drug cost. In 2020, CMS named 90 claims across 4 drugs.

Part D claims, 202144
Drugs named by CMS2
Total drug cost$1,195

Dr. Gill's most prescribed drugs by claims, 2021

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, 2020 to 2021

  • 2020
  • 2021
Claims for drugs CMS names
2020: 902021: 4451%

Drugs named by CMS: 2 in 2021, 4 in 2020.

See all prescribing by Dr. Gill

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

For MedTech and pharma teams

Find orthopedic surgeons like Dr. Gill 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. Michael Dennis Gill has 541 publications on record

Dmand AI links 541 papers to Dr. Gill, published from 2003 to 2021. 2013 was the busiest year, with 20. The most frequent topics are Schizophrenia, Genetic Predisposition to Disease and Polymorphism, Single Nucleotide. Dr. Gill has published most often in Am J Med Genet B Neuropsychiatr Genet. Dr. Gill's most frequent co-authors are Douglas F. Levinson, MD, Sudha Seshadri, MD and David A. Bennett, MD.

Papers541
Years published2003 to 2021

Dr. Gill's papers by year, 2012 to 2021

Topics Dr. Gill writes about most

  • Schizophrenia
  • Genetic Predisposition to Disease
  • Polymorphism, Single Nucleotide
  • Genotype
  • Attention Deficit Disorder with Hyperactivity
  • Alleles
  • Genome-Wide Association Study
  • Genetic Markers

Dr. Gill's most frequent co-authors

Recent publications by Dr. Gill

See all 541 publications and co-authors

See who Dr. Gill researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gill works with, so you can find a warm path to the right orthopedic surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Michael Dennis Gill received $795 in industry payments from 2016 to 2022

CMS Open Payments shows 11 general payments to Dr. Gill from 3 drug and device companies from 2016 to 2022. Travel and lodging make up the largest share, 51% of the total. Zimmer Biomet Holdings, Inc. paid the most, $751.

General payments to Dr. Gill by program year, 2016 to 2022

General payments to Dr. Gill by kind, 2016 to 2022

$795in total
  • Travel and lodging$40751%
  • Food and beverage$33142%
  • Education$587%

Companies that paid Dr. Gill the most, 2016 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Gill

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Michael Dennis Gill graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science

Dr. Gill graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1980.

  1. Medical schoolChicago Medical School at Rosalind Franklin University of Medicine and Science
  2. Board certified in orthopaedic surgeryAmerican Board of Orthopaedic Surgery

Source: Dmand AI Professional Profile Data

Dr. Michael Dennis Gill accepts plans from 5 insurance carriers

Dr. Gill is in network with 5 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.

  • Elevance
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans

Plan types Dr. Gill accepts, by number of carriers

  1. Medicare5
  2. PPO5
  3. POS2
  4. EPO1
  5. HMO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Michael Dennis Gill's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Michael Dennis Gill

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. Michael Dennis Gill's NPI number?

Dr. Michael Dennis Gill's NPI number is 1497847123. It was assigned on September 29, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael Dennis Gill?

Dr. Michael Dennis Gill is an orthopedic surgeon in Lompoc, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).

Where does Dr. Michael Dennis Gill practice?

Dr. Gill practices at 1515 E Ocean Avenue, Lompoc, CA 93436. Dr. Gill also practices at 1509 Ocean Way, Lompoc, CA 93436. Dr. Gill's primary practice is Lompoc Valley Medical Center in Lompoc, California, part of Lompoc Valley Medical Center. Dmand AI also links Dr. Gill to 1 physician office and 1 group practice or clinic.

What is Dr. Michael Dennis Gill's office phone number?

The practice phone on file for Dr. Gill is (805) 737-3300.

What is Dr. Michael Dennis Gill's medical license number?

Dr. Gill holds California license G54515.

Which hospitals is Dr. Michael Dennis Gill affiliated with?

Dr. Gill practices at Lompoc Valley Medical Center in Lompoc, California.

What medical group is Dr. Michael Dennis Gill part of?

Dr. Gill is linked to Lompoc Valley Medical Center.

Does Dr. Michael Dennis Gill accept Medicare?

Yes. CMS data shows Dr. Gill billed Medicare for 32,034 services in 2021.

Is Dr. Michael Dennis Gill board certified?

Yes. Dr. Gill is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.

What services does Dr. Michael Dennis Gill bill to Medicare?

In 2021, Dr. Gill's most billed Medicare services were injected or infused drug (J7328), surgery: bones and joints (20610) and office visit, established patient (99213).

Show 7 more questionsShow fewer questions

Where did Dr. Michael Dennis Gill go to medical school?

Dr. Gill graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1980.

What drugs does Dr. Michael Dennis Gill prescribe most?

In 2021 Medicare Part D data, Dr. Gill's most prescribed drugs by claims were Celecoxib and Diclofenac Sodium.

Has Dr. Michael Dennis Gill received payments from drug or device companies?

CMS Open Payments shows $795 in general payments to Dr. Gill from 3 companies from 2016 to 2022. The largest total came from Zimmer Biomet Holdings, Inc.

How long has Dr. Michael Dennis Gill been practicing?

Dr. Gill graduated from medical school in 1980, 46 years ago.

Does Dr. Michael Dennis Gill do research?

Dmand AI links 541 publications to Dr. Gill, published from 2003 to 2021.

Who does Dr. Michael Dennis Gill publish with?

Dr. Gill's most frequent co-authors are Douglas F. Levinson, MD (7 shared papers), Sudha Seshadri, MD (6 shared papers) and David A. Bennett, MD (5 shared papers).

What insurance does Dr. Michael Dennis Gill accept?

Dr. Gill is in network with 5 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.

Selling to orthopaedic surgery practices?

See orthopedic surgeons 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

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)