Dr. Homa Timlin, MD

  • Baltimore, MD
  • Rheumatologist
NPI1235460866PAC ID3678700416
Medicare services, 2024
442
Medicare patients, 2024
72
Part D claims, 2024
355
Publications
35
Clinical trials
3
Practice address
600 N Wolfe St, Baltimore, MD 21287
Practice phone
Call (855) 662-3017
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Johns Hopkins Hospital Nelson/Harvey Building

Baltimore, Maryland

See all 4 affiliations

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Dr. Homa Timlin is a rheumatologist in Baltimore, Maryland

Dr. Timlin practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland.

Dr. Timlin's NPI, 1235460866, was assigned on January 21, 2010. Dr. Timlin holds Maryland license D78311.

NPI and contact details
Medicare PAC ID
3678700416
NPI enumeration date
January 21, 2010
NPI status
Active
Offers telehealth
Yes
Practice phone
(855) 662-3017
Professional email
Get email
Personal email
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Mobile number
Get number
Sex
Female
Estimated age
59
Medical school graduation
1993

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

Dr. Homa Timlin practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland

Dr. Timlin's primary practice is Johns Hopkins Hospital Nelson/Harvey Building, at 600 N Wolfe St, Baltimore, MD 21287 in Baltimore City. The practice phone is (855) 662-3017.

  • Johns Hopkins Hospital Nelson/Harvey Building
    600 N Wolfe St, Baltimore, MD 21287 · Baltimore CityPhone(855) 662-3017

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

Dr. Homa Timlin is affiliated with 3 sites of care and 1 medical group

Dr. Timlin's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dr. Timlin is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins University. Dmand AI also links Dr. Timlin to 1 more hospital, named with a free account.

See all 4 affiliations for Dr. Timlin

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. Homa Timlin's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Timlin practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Johns Hopkins Hospital Nelson/Harvey BuildingAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Homa Timlin is one of 177 rheumatologists in Maryland

Rheumatology is Dr. Timlin's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Timlin is licensed in Maryland.

Specialties and state licenses

  • Rheumatology, MarylandPrimaryLicense D78311 · taxonomy 207RR0500X

Rheumatologists near Dr. Timlin

Counts of rheumatologists 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. Homa Timlin billed Medicare for 442 services in 2024

CMS data shows 442 Medicare services from Dr. Timlin across 3 procedure codes in 2024, for 72 Medicare patients. Medicare paid $33,335 for them. Every service was in an office.

Medicare services, 2024442
Medicare patients72
Paid by Medicare$33,335
Procedure codes3

Dr. Timlin's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2372024: 2293%
Other services
2023: 02024: 213

Dr. Timlin compared with the Maryland median for rheumatologists, 2024

  • Dr. Timlin
  • Maryland median
Medicare services
442vs 3,91589% below
Medicare patients
72vs 30076% below
Part D claims
298vs 78262% below

Medians across 168 rheumatologists in Maryland with Dmand AI profiles that report each measure.

Dr. Timlin'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.

See all procedures by Dr. Timlin

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

Dr. Homa Timlin treated 72 Medicare patients in 2024, average age 61

CMS counts 72 Medicare patients who saw Dr. Timlin in 2024. The largest group is under 65, with 36 patients. 74% of them have arthritis, and 69% have high blood pressure. 33% are also on Medicaid. Their average risk score is 1.60, 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. Timlin's median patient age at 51, with 92% women.

Medicare patients, 202472
Average age61
Average risk score1.60
Also on Medicaid33%

Dr. Timlin's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Timlin's Medicare patients, 2024

  1. Arthritis74%
  2. High blood pressure69%
  3. High cholesterol65%
  4. Mood disorders46%
  5. Chronic kidney disease42%
  6. Depression40%
  7. Anxiety32%
  8. Ischemic heart disease26%

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

Dr. Timlin's patients across all payers

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

Patient panel by age, all payers

Median age 51

Patient panel by sex, all payers

  • Women92%
  • Men6%

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

Dr. Homa Timlin wrote 355 Medicare Part D claims in 2024

In 2024, Dr. Timlin wrote 355 Medicare Part D claims for 63 patients. 88% of them were for generic drugs. CMS names the drug for 298 of them, across 7 drugs with 11 or more claims each, at $351,978 in total drug cost. In 2023, CMS named 195 claims across 4 drugs.

Part D claims, 2024355
Drugs named by CMS7
Total drug cost$351,978
Part D patients63

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

  • Generic314 claims88%
  • Brand-name41 claims12%

Dr. Timlin's 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: 1952024: 29853%

Drugs named by CMS: 7 in 2024, 4 in 2023.

See all prescribing by Dr. Timlin

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. Homa Timlin scored 83 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Timlin for performance year 2024, reported as part of a group. CMS lists Dr. Timlin as offering telehealth.

Offers telehealth
Yes

Dr. Timlin's MIPS scores, performance year 2024

  • 83of 100Final score
  • 73.9of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 70of 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. Homa Timlin has 35 publications on record

Dmand AI links 35 papers to Dr. Timlin, published from 2014 to 2025. 2018 was the busiest year, with 8. The most frequent topics are Lupus Erythematosus, Systemic, Lupus Nephritis and COVID-19. Dr. Timlin has published most often in Cureus. Dr. Timlin's most frequent co-authors are Rebecca L. Manno, MD, Uzma Jala Haque, MD and Eric Jonathan Dein.

Papers35
Years published2014 to 2025

Dr. Timlin's papers by year, 2015 to 2025

Topics Dr. Timlin writes about most

  • Lupus Erythematosus, Systemic
  • Lupus Nephritis
  • COVID-19
  • Diagnosis, Differential
  • Creatinine
  • Drug Therapy, Combination
  • Immunosuppressive Agents
  • Mycophenolic Acid

Dr. Timlin's most frequent co-authors

Recent publications by Dr. Timlin

See all 35 publications and co-authors

See who Dr. Timlin researches with

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

How network discovery works

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

Dr. Homa Timlin has worked on 3 clinical trials

Dmand AI links Dr. Timlin to 3 clinical trials. Conditions studied include Lupus Erythematosus, Systemic and Connective Tissue Diseases. Eli Lilly and Company sponsors the most, 3. Open Payments lists research payments to Dr. Timlin that name 3 trials.

Conditions in Dr. Timlin's trials

  • Lupus Erythematosus, Systemic
  • Connective Tissue Diseases

Investigators on the most trials with Dr. Timlin

Recent clinical trials with Dr. Timlin

Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Homa Timlin received $1,015 in industry payments from 2017 to 2025

CMS Open Payments shows 13 general payments to Dr. Timlin from 8 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 89% of the total. Amgen Inc. paid the most, $250. It also lists 3 research payments totaling $3,641 from 2019 to 2021, naming 3 clinical trials.

General payments to Dr. Timlin by program year, 2017 to 2025

General payments to Dr. Timlin by kind, 2017 to 2025

$1Kin total
  • Food and beverage$90889%
  • Education$10711%

Companies that paid Dr. Timlin the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Timlin

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

Sources for Dr. Homa Timlin'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 Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Homa Timlin

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. Homa Timlin's NPI number?

Dr. Homa Timlin's NPI number is 1235460866. It was assigned on January 21, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Homa Timlin?

Dr. Homa Timlin is a rheumatologist in Baltimore, Maryland. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).

Where does Dr. Homa Timlin practice?

Dr. Timlin practices at 600 N Wolfe St, Baltimore, MD 21287. Dr. Timlin's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dmand AI also links Dr. Timlin to 1 hospital.

What is Dr. Homa Timlin's office phone number?

The practice phone on file for Dr. Timlin is (855) 662-3017.

What is Dr. Homa Timlin's medical license number?

Dr. Timlin holds Maryland license D78311.

Which hospitals is Dr. Homa Timlin affiliated with?

Dr. Timlin is affiliated with The Johns Hopkins Hospital. Dmand AI links Dr. Timlin to 1 more hospital.

What medical group is Dr. Homa Timlin part of?

Dr. Timlin is linked to Johns Hopkins University.

Does Dr. Homa Timlin accept Medicare?

Yes. CMS data shows Dr. Timlin billed Medicare for 442 services in 2024.

Does Dr. Homa Timlin offer telehealth?

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

What is Dr. Homa Timlin's MIPS score?

Dr. Timlin's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.

Show 7 more questionsShow fewer questions

How many Medicare patients does Dr. Homa Timlin see?

CMS counts 72 Medicare patients who saw Dr. Timlin in 2024, with an average age of 61.

What services does Dr. Homa Timlin bill to Medicare?

In 2024, Dr. Timlin's most billed Medicare services were office visit, established patient (99215), medicare service (G2211) and medicare service (G2212).

What drugs does Dr. Homa Timlin prescribe most?

In 2024 Medicare Part D data, Dr. Timlin's most prescribed drugs by claims were Hydroxychloroquine Sulfate, Mycophenolate Mofetil and Benlysta.

Has Dr. Homa Timlin received payments from drug or device companies?

CMS Open Payments shows $1,015 in general payments to Dr. Timlin from 8 companies from 2017 to 2025. The largest total came from Amgen Inc.

How long has Dr. Homa Timlin been practicing?

Dr. Timlin graduated from medical school in 1993, 33 years ago.

Does Dr. Homa Timlin do research?

Dmand AI links 35 publications to Dr. Timlin, published from 2014 to 2025. Dr. Timlin has worked on 3 clinical trials.

Who does Dr. Homa Timlin publish with?

Dr. Timlin's most frequent co-authors are Rebecca L. Manno, MD (9 shared papers), Uzma Jala Haque, MD (8 shared papers) and Eric Jonathan Dein (5 shared papers).

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