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Dr. Marian Lacy, MD
NPI1780987073PAC ID5799088340
- Medicare services, 2022
- 158
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 52
- Publications
- 3
- MIPS score, 2024
- 82
- Practice address
- 1215 N Beaver St, Flagstaff, AZ 86001
- Practice phone
- Call (928) 773-2546
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northern Arizona Healthcare Corporation
Flagstaff, Arizona
Find Dr. Lacy's professional email, personal email and mobile number
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Dr. Marian Lacy is a hospitalist in Flagstaff, Arizona
Dr. Lacy practices at Northern Arizona Healthcare Corporation in Flagstaff, Arizona.
Dr. Lacy's NPI, 1780987073, was assigned on December 8, 2010. Dr. Lacy graduated from Johns Hopkins University School of Medicine in 2012. Dr. Lacy holds Arizona license 52413.
NPI and contact details
- NPI
- 1780987073NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5799088340
- NPI enumeration date
- December 8, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (928) 773-2546
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Marian Lacy practices at Northern Arizona Healthcare Corporation in Flagstaff, Arizona
Dr. Lacy's primary practice is Northern Arizona Healthcare Corporation, at 1215 N Beaver St, Flagstaff, AZ 86001 in Coconino County. The practice phone is (928) 773-2546.
- Northern Arizona Healthcare Corporation1215 N Beaver St, Flagstaff, AZ 86001 · Coconino CountyPhone(928) 773-2546
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Marian Lacy is affiliated with 4 sites of care and 3 medical groups
Dr. Lacy's primary practice is Northern Arizona Healthcare Corporation in Flagstaff, Arizona. Dr. Lacy is also affiliated with Flagstaff Medical Center. The medical group on file is Northern Arizona Healthcare. Dmand AI also links Dr. Lacy to 1 more hospital, 2 medical groups and 1 home health agency, each named with a free account.
Northern Arizona Healthcare CorporationPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Marian Lacy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lacy practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northern Arizona Healthcare Corporation | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Marian Lacy is one of 720 hospitalists in Arizona
Hospitalist is Dr. Lacy's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Lacy is licensed in Arizona.
Specialties and state licenses
- Hospitalist, ArizonaPrimary
Hospitalists near Dr. Lacy
Counts of hospitalists 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. Marian Lacy billed Medicare for 158 services in 2022
CMS data shows 158 Medicare services from Dr. Lacy across 4 procedure codes in 2022, for 11 Medicare patients. Medicare paid $14,643 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2022158
Medicare patients11
Paid by Medicare$14,643
Procedure codes4
Dr. Lacy's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 4122022: 15862%
Dr. Lacy compared with the Arizona median for hospitalists, 2022
- Dr. Lacy
- Arizona median
- Medicare services
- 158vs 51269% below
- Medicare patients
- 11vs 24596% below
- Part D claims
- 38vs 9460% below
Medians across 617 hospitalists in Arizona with Dmand AI profiles that report each measure.
Dr. Lacy's most billed Medicare procedure codes, 2022
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. Lacy and other hospitalists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Marian Lacy treated 11 Medicare patients in 2024, average age 72
CMS counts 11 Medicare patients who saw Dr. Lacy in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 1.89, 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. Lacy's median patient age at 59, with 38% women.
Medicare patients, 202411
Average age72
Average risk score1.89
Dr. Lacy's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lacy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women38%
- Men61%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Marian Lacy wrote 52 Medicare Part D claims in 2024
In 2024, Dr. Lacy wrote 52 Medicare Part D claims for 19 patients. 92% of them were for generic drugs. CMS names the drug for 38 of them, across 3 drugs with 11 or more claims each, at $407 in total drug cost. In 2019, CMS named 67 claims across 5 drugs.
Part D claims, 202452
Drugs named by CMS3
Total drug cost$407
Part D patients19
Dr. Lacy's Part D claims by kind of drug, 2024
- Generic48 claims92%
- Brand-name and other4 claims8%
Dr. Lacy'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. Lacy's Part D claims, 2024
- Antibiotics56%29 of 52 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: 672020: 3843%
Drugs named by CMS: 3 in 2020, 5 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
Dr. Marian Lacy scored 82 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 82 out of 100 for Dr. Lacy for performance year 2024, reported as part of a group. Dr. Lacy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Lacy as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Lacy's MIPS scores, performance year 2024
- 82of 100Final score
- 66.8of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Marian Lacy has 3 publications on record
Dmand AI links 3 papers to Dr. Lacy, published from 2023 to 2024. 2024 was the busiest year, with 2. Dr. Lacy's most frequent co-author is Stephen Scholand, MD.
Papers3
Years published2023 to 2024
Dr. Lacy's most frequent co-authors
Recent publications by Dr. Lacy
Curr Opin Organ Transplant
Communicable DiseasesOrgan TransplantationSocieties, Medical
See who Dr. Lacy researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Lacy works with, so you can find a warm path to the right hospitalists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Marian Lacy received $232 in industry payments from 2018 to 2025
CMS Open Payments shows 3 general payments to Dr. Lacy from 3 drug and device companies from 2018 to 2025. Food and beverage make up the largest share, 64% of the total. Amgen Inc. paid the most, $125.
General payments to Dr. Lacy by program year, 2018 to 2025
General payments to Dr. Lacy by kind, 2018 to 2025
$232in total
- Food and beverage$14964%
- Education$8336%
Companies that paid Dr. Lacy the most, 2018 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Marian Lacy graduated from Johns Hopkins University School of Medicine
Dr. Lacy graduated from Johns Hopkins University School of Medicine in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Marian Lacy'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 |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Clinician Public Reporting: Overall MIPS Performance (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 |
| 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. Marian Lacy
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. Marian Lacy's NPI number?
Dr. Marian Lacy's NPI number is 1780987073. It was assigned on December 8, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Marian Lacy?
Dr. Marian Lacy is a hospitalist in Flagstaff, Arizona. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Marian Lacy practice?
Dr. Lacy practices at 1215 N Beaver St, Flagstaff, AZ 86001. Dr. Lacy's primary practice is Northern Arizona Healthcare Corporation in Flagstaff, Arizona. Dmand AI also links Dr. Lacy to 1 hospital, 2 medical groups and 1 home health agency.
What is Dr. Marian Lacy's office phone number?
The practice phone on file for Dr. Lacy is (928) 773-2546.
What is Dr. Marian Lacy's medical license number?
Dr. Lacy holds Arizona license 52413.
Which hospitals is Dr. Marian Lacy affiliated with?
Dr. Lacy is affiliated with Flagstaff Medical Center. Dmand AI links Dr. Lacy to 1 more hospital.
What medical group is Dr. Marian Lacy part of?
Dr. Lacy is linked to Northern Arizona Healthcare. Dmand AI links Dr. Lacy to 2 more medical groups.
Does Dr. Marian Lacy accept Medicare?
Yes. CMS data shows Dr. Lacy billed Medicare for 158 services in 2022, and Dr. Lacy accepts Medicare assignment.
Does Dr. Marian Lacy offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Lacy as offering telehealth services.
What is Dr. Marian Lacy's MIPS score?
Dr. Lacy's MIPS final score for performance year 2024 is 82 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Marian Lacy see?
CMS counts 11 Medicare patients who saw Dr. Lacy in 2024, with an average age of 72.
What services does Dr. Marian Lacy bill to Medicare?
In 2022, Dr. Lacy's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99223) and hospital inpatient care (99232).
Where did Dr. Marian Lacy go to medical school?
Dr. Lacy graduated from Johns Hopkins University School of Medicine in 2012.
What drugs does Dr. Marian Lacy prescribe most?
In 2020 Medicare Part D data, Dr. Lacy's most prescribed drugs by claims were Pantoprazole Sodium, Atorvastatin Calcium and Cefdinir.
Has Dr. Marian Lacy received payments from drug or device companies?
CMS Open Payments shows $232 in general payments to Dr. Lacy from 3 companies from 2018 to 2025. The largest total came from Amgen Inc.
How long has Dr. Marian Lacy been practicing?
Dr. Lacy graduated from medical school in 2012, 14 years ago.
Does Dr. Marian Lacy do research?
Dmand AI links 3 publications to Dr. Lacy, published from 2023 to 2024.
Who does Dr. Marian Lacy publish with?
Dr. Lacy's most frequent co-authors are Stephen Scholand, MD (2 shared papers).
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