Dr. Gregory A. Clines, MD, PhD

  • Ann Arbor, MI
  • Endocrinologist
NPI1922177542PAC ID0042242729
Medicare services, 2024
23
Medicare patients, 2024
43
Part D claims, 2024
132
Publications
29
Hospital affiliations
1
Practice address
1500 E Medical Center Dr, Ann Arbor, MI 48109
Practice phone
Call (734) 936-4000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

University Hospital

School-Based Health Center · Ann Arbor, Michigan

See all 4 affiliations

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Dr. Gregory A. Clines is an endocrinologist in Ann Arbor, Michigan

Dr. Clines practices at University Hospital in Ann Arbor, Michigan.

Dr. Clines' NPI, 1922177542, was assigned on November 7, 2006. Dr. Clines graduated from University of Texas Southwestern Medical School at Dallas in 1999. Dr. Clines holds Michigan license 4301104245.

NPI and contact details
Medicare PAC ID
0042242729
NPI enumeration date
November 7, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(734) 936-4000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
53
Medical school graduation
1999

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Gregory A. Clines practices at University Hospital in Ann Arbor, Michigan

Dr. Clines' primary practice is University Hospital, at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The practice phone is (734) 936-4000.

  • University Hospital
    1500 E Medical Center Dr, Ann Arbor, MI 48109Phone(734) 936-4000

Source: Dmand AI Affiliation Data

Dr. Gregory A. Clines is affiliated with 3 sites of care and 1 medical group

Dr. Clines' primary practice is University Hospital in Ann Arbor, Michigan. Dr. Clines is also affiliated with University Hospital. The medical group on file is University of Michigan Health. Dmand AI also links Dr. Clines to 1 more group practice or clinic, named with a free account. Dr. Clines' employer is on file too: a school & student health.

See all 4 affiliations for Dr. Clines

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

Dmand AI tracks the EHR system at Dr. Gregory A. Clines' practice

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

EHR by site
SiteEHR vendor and product
University HospitalAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gregory A. Clines is one of 251 endocrinologists in Michigan

Endocrinology, diabetes and metabolism is Dr. Clines' primary specialty in the NPI Registry, under taxonomy code 207RE0101X. Dmand AI has Dr. Clines' licenses on file in 2 states: Michigan and Virginia.

Specialties and state licenses

  • Endocrinology, diabetes and metabolism, MichiganPrimaryLicense 4301104245 · taxonomy 207RE0101X
  • Virginia licenseLicense 0101232110

Endocrinologists near Dr. Clines

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. Gregory A. Clines billed Medicare for 23 services in 2024

CMS data shows 23 Medicare services from Dr. Clines across 1 procedure code in 2024, all of them office visits, for 43 Medicare patients. Medicare paid $1,620 for them. Every service was in an office.

Medicare services, 202423
Medicare patients43
Paid by Medicare$1,620
Procedure codes1

Dr. Clines' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 512024: 2355%

Dr. Clines compared with the Michigan median for endocrinologists, 2024

  • Dr. Clines
  • Michigan median
Medicare services
23vs 41094% below
Medicare patients
43vs 18977% below
Part D claims
84vs 1,05792% below

Medians across 258 endocrinologists in Michigan with Dmand AI profiles that report each measure.

Dr. Clines' 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.

See all procedures by Dr. Clines

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

Dr. Gregory A. Clines treated 43 Medicare patients in 2024, average age 69

CMS counts 43 Medicare patients who saw Dr. Clines in 2024. The largest group is 65 to 74, with 20 patients. 75% of them have osteoporosis, and 51% have arthritis. Their average risk score is 1.58, 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. Clines' median patient age at 70, with 78% women.

Medicare patients, 202443
Average age69
Average risk score1.58

Dr. Clines' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Clines' Medicare patients, 2024

  1. Osteoporosis75%
  2. Arthritis51%
  3. High cholesterol49%
  4. High blood pressure42%
  5. Anxiety40%
  6. Mood disorders37%
  7. Chronic kidney disease30%
  8. Depression30%

Share of Medicare patients with each condition. A patient can have several.

Dr. Clines' patients across all payers

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

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women78%
  • Men22%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Gregory A. Clines wrote 132 Medicare Part D claims in 2024

In 2024, Dr. Clines wrote 132 Medicare Part D claims for 32 patients. 61% of them were for generic drugs. CMS names the drug for 84 of them, across 4 drugs with 11 or more claims each, at $482,653 in total drug cost. In 2023, CMS named 139 claims across 5 drugs.

Part D claims, 2024132
Drugs named by CMS4
Total drug cost$482,653
Part D patients32

Dr. Clines' Part D claims by kind of drug, 2024

  • Generic81 claims61%
  • Brand-name and other51 claims39%

Dr. Clines' most prescribed drugs by claims, 2024

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, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1392024: 8440%

Drugs named by CMS: 4 in 2024, 5 in 2023.

See all prescribing by Dr. Clines

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. Gregory A. Clines offers telehealth to Medicare patients

Dr. Clines accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Clines as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Gregory A. Clines has 29 publications on record

Dmand AI links 29 papers to Dr. Clines, published from 2011 to 2024. 2018 was the busiest year, with 3. The most frequent topics are Bone Density, Fractures, Bone and Cell Line, Tumor. Dr. Clines has published most often in Clin Diabetes Endocrinol. Dr. Clines' most frequent co-authors are Nicholas John Szerlip, MD, Michelle Sugiyama Caird, MD and Palak Upendra Choksi, MD.

Papers29
Years published2011 to 2024

Dr. Clines' papers by year, 2011 to 2024

Topics Dr. Clines writes about most

  • Bone Density
  • Fractures, Bone
  • Cell Line, Tumor
  • Osteoblasts
  • Absorptiometry, Photon
  • Bone and Bones
  • Bone Diseases
  • Bone Neoplasms

Dr. Clines' most frequent co-authors

Recent publications by Dr. Clines

See all 29 publications and co-authors

See who Dr. Clines researches with

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

How network discovery works

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

Dr. Gregory A. Clines graduated from University of Texas Southwestern Medical School at Dallas

Dr. Clines graduated from University of Texas Southwestern Medical School at Dallas in 1999.

  1. Medical schoolUniversity of Texas Southwestern Medical School at Dallas

Source: Dmand AI Professional Profile Data

Sources for Dr. Gregory A. Clines'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 phoneDmand AI Affiliation 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Training, board certification and membershipsDmand AI Professional Profile 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. Gregory A. Clines

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. Gregory A. Clines' NPI number?

Dr. Gregory A. Clines' NPI number is 1922177542. It was assigned on November 7, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Gregory A. Clines?

Dr. Gregory A. Clines is an endocrinologist in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Endocrinology, Diabetes & Metabolism Physician (taxonomy code 207RE0101X).

Where does Dr. Gregory A. Clines practice?

Dr. Clines practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. Dr. Clines' primary practice is University Hospital in Ann Arbor, Michigan. Dmand AI also links Dr. Clines to 1 group practice or clinic.

What is Dr. Gregory A. Clines' office phone number?

The practice phone on file for Dr. Clines is (734) 936-4000.

What is Dr. Gregory A. Clines' medical license number?

Dr. Clines holds Michigan license 4301104245, one of the licenses on file in 2 states.

Which states has Dr. Gregory A. Clines been licensed in?

Dmand AI has state licenses on file for Dr. Clines in Michigan and Virginia.

Which hospitals is Dr. Gregory A. Clines affiliated with?

Dr. Clines is affiliated with University Hospital.

What medical group is Dr. Gregory A. Clines part of?

Dr. Clines is linked to University of Michigan Health.

Does Dr. Gregory A. Clines accept Medicare?

Yes. CMS data shows Dr. Clines billed Medicare for 23 services in 2024, and Dr. Clines accepts Medicare assignment.

Does Dr. Gregory A. Clines offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Clines as offering telehealth services.

Show 7 more questionsShow fewer questions

How many Medicare patients does Dr. Gregory A. Clines see?

CMS counts 43 Medicare patients who saw Dr. Clines in 2024, with an average age of 69.

What services does Dr. Gregory A. Clines bill to Medicare?

In 2024, Dr. Clines' most billed Medicare services were office visit, established patient (99214).

Where did Dr. Gregory A. Clines go to medical school?

Dr. Clines graduated from University of Texas Southwestern Medical School at Dallas in 1999.

What drugs does Dr. Gregory A. Clines prescribe most?

In 2024 Medicare Part D data, Dr. Clines' most prescribed drugs by claims were Alendronate Sodium, Crysvita and Levothyroxine Sodium.

How long has Dr. Gregory A. Clines been practicing?

Dr. Clines graduated from medical school in 1999, 27 years ago.

Does Dr. Gregory A. Clines do research?

Dmand AI links 29 publications to Dr. Clines, published from 2011 to 2024.

Who does Dr. Gregory A. Clines publish with?

Dr. Clines' most frequent co-authors are Nicholas John Szerlip, MD (4 shared papers), Michelle Sugiyama Caird, MD (3 shared papers) and Palak Upendra Choksi, MD (3 shared papers).

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