Lenses, IntraocularLens Implantation, IntraocularPolytetrafluoroethylene
Dr. Thomas Huan Tien, MD
NPI1700234051PAC ID3072806538
- Medicare services, 2024
- 733
- Medicare patients, 2024
- 323
- Part D claims, 2024
- 1,057
- Publications
- 2
- Hospital affiliations
- 1
- Practice address
- 2115 Noll Dr Manning And Rommel Associates, Lancaster, PA 17603-7600
- Practice phone
- Call (717) 393-7980
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Manning & Rommel Associates
Eye care practice · Lancaster, Pennsylvania
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Dr. Thomas Huan Tien is an ophthalmologist in Lancaster, Pennsylvania
Dr. Tien practices at Manning & Rommel Associates in Lancaster, Pennsylvania.
Dr. Tien's NPI, 1700234051, was assigned on May 26, 2016. Dr. Tien graduated from Boston University School of Medicine in 2016. Dr. Tien holds Pennsylvania license MD470022.
NPI and contact details
- NPI
- 1700234051NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072806538
- NPI enumeration date
- May 26, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (717) 393-7980
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas Huan Tien practices at Manning & Rommel Associates in Lancaster, Pennsylvania
Dr. Tien's primary practice is Manning & Rommel Associates, at 2115 Noll Dr Manning And Rommel Associates, Lancaster, PA 17603-7600. The practice phone is (717) 393-7980.
- Manning & Rommel Associates2115 Noll Dr Manning And Rommel Associates, Lancaster, PA 17603-7600Phone(717) 393-7980
Source: Dmand AI Affiliation Data
Dr. Thomas Huan Tien is affiliated with 4 sites of care and 4 medical groups
Dr. Tien's primary practice is Manning & Rommel Associates in Lancaster, Pennsylvania. Dr. Tien is also affiliated with Lancaster General Hospital. The medical group on file is Geisinger. Dmand AI also links Dr. Tien to 3 more medical groups and 2 group practices and clinics, each named with a free account.
Manning & Rommel AssociatesPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Thomas Huan Tien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tien practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Manning & Rommel Associates | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas Huan Tien is one of 843 ophthalmologists in Pennsylvania
Ophthalmology is Dr. Tien's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Tien is licensed in Pennsylvania.
Specialties and state licenses
- Ophthalmology, PennsylvaniaPrimary
Ophthalmologists near Dr. Tien
Counts of ophthalmologists 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. Thomas Huan Tien billed Medicare for 733 services in 2024
CMS data shows 733 Medicare services from Dr. Tien across 13 procedure codes in 2024, for 323 Medicare patients. Medicare paid $89,070 for them.
Medicare services, 2024733
Medicare patients323
Paid by Medicare$89,070
Procedure codes13
Dr. Tien's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4102024: 4202%
- Tests and treatments
- 2023: 1912024: 1777%
- Surgery
- 2023: 1092024: 13625%
Where Dr. Tien's Medicare services took place, 2024
- In an office71598%
- In a facility182%
Dr. Tien compared with the Pennsylvania median for ophthalmologists, 2024
- Dr. Tien
- Pennsylvania median
- Medicare services
- 733vs 1,33645% below
- Medicare patients
- 323vs 52438% below
- Part D claims
- 954vs 62054% above
Medians across 854 ophthalmologists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Tien'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas Huan Tien treated 323 Medicare patients in 2024, average age 74
CMS counts 323 Medicare patients who saw Dr. Tien in 2024. The largest group is 65 to 74, with 143 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.37, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tien's median patient age at 77, with 60% women.
Medicare patients, 2024323
Average age74
Average risk score1.37
Also on Medicaid14%
Dr. Tien's Medicare patients by age, 2024
Dr. Tien's Medicare patients by sex, 2024
- Women19259%
- Men13141%
Chronic conditions among Dr. Tien's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Diabetes33%
- Anxiety29%
- Chronic kidney disease29%
- Ischemic heart disease27%
- Mood disorders24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas Huan Tien wrote 1,057 Medicare Part D claims in 2024
In 2024, Dr. Tien wrote 1,057 Medicare Part D claims for 367 patients. 57% of them were for generic drugs. CMS names the drug for 954 of them, across 14 drugs with 11 or more claims each, at $89,737 in total drug cost. In 2023, CMS named 700 claims across 12 drugs.
Part D claims, 20241,057
Drugs named by CMS14
Total drug cost$89,737
Part D patients367
Dr. Tien's Part D claims by kind of drug, 2024
- Generic607 claims57%
- Brand-name450 claims43%
Dr. Tien'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.
Drug classes CMS tracks in Dr. Tien's Part D claims, 2024
- Antibiotics3%32 of 1,057 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7002024: 95436%
Drugs named by CMS: 14 in 2024, 12 in 2023.
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. Thomas Huan Tien ranks in the 95th percentile for cataract surgery in Medicare
Dr. Tien accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 480 procedures of cataract surgery by Dr. Tien, more than 95% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Tien ranks in Medicare procedure volume
- Cataract surgery
- 95th percentile480 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Thomas Huan Tien has 2 publications on record
Dmand AI links 2 papers to Dr. Tien, published from 2022 to 2024. Dr. Tien's most frequent co-authors are Brandon Daniel Ayres, MD, Brenton David Finklea, MD and Omesh Parkash Gupta, MD.
Papers2
Years published2022 to 2024
Dr. Tien's most frequent co-authors
- Brandon Daniel Ayres, MD1 shared paper
- Brenton David Finklea, MD1 shared paper
- Omesh Parkash Gupta, MD1 shared paper
Recent publications by Dr. Tien
Am J Ophthalmol Case Rep
See who Dr. Tien researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tien works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Thomas Huan Tien received $5,422 in industry payments from 2017 to 2025
CMS Open Payments shows 70 general payments to Dr. Tien from 17 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 63% of the total. TissueTech, Inc. paid the most, $2,878.
General payments to Dr. Tien by program year, 2017 to 2025
General payments to Dr. Tien by kind, 2017 to 2025
$5.4Kin total
- Food and beverage$3,42463%
- Travel and lodging$1,89735%
- Education$1022%
Companies that paid Dr. Tien the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas Huan Tien graduated from Boston University School of Medicine
Dr. Tien graduated from Boston University School of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas Huan Tien'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 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)Doctors and Clinicians Utilization Data (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. Thomas Huan Tien
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. Thomas Huan Tien's NPI number?
Dr. Thomas Huan Tien's NPI number is 1700234051. It was assigned on May 26, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Huan Tien?
Dr. Thomas Huan Tien is an ophthalmologist in Lancaster, Pennsylvania. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Thomas Huan Tien practice?
Dr. Tien practices at 2115 Noll Dr Manning And Rommel Associates, Lancaster, PA 17603-7600. Dr. Tien's primary practice is Manning & Rommel Associates in Lancaster, Pennsylvania. Dmand AI also links Dr. Tien to 3 medical groups and 2 group practices and clinics.
What is Dr. Thomas Huan Tien's office phone number?
The practice phone on file for Dr. Tien is (717) 393-7980.
What is Dr. Thomas Huan Tien's medical license number?
Dr. Tien holds Pennsylvania license MD470022.
Which hospitals is Dr. Thomas Huan Tien affiliated with?
Dr. Tien is affiliated with Lancaster General Hospital.
What medical group is Dr. Thomas Huan Tien part of?
Dr. Tien is linked to Geisinger. Dmand AI links Dr. Tien to 3 more medical groups.
Does Dr. Thomas Huan Tien accept Medicare?
Yes. CMS data shows Dr. Tien billed Medicare for 733 services in 2024, and Dr. Tien accepts Medicare assignment.
How many Medicare patients does Dr. Thomas Huan Tien see?
CMS counts 323 Medicare patients who saw Dr. Tien in 2024, with an average age of 74.
What services does Dr. Thomas Huan Tien bill to Medicare?
In 2024, Dr. Tien's most billed Medicare services were office visit, established patient (99214), surgery: eye (66984) and office visit, new patient (99204).
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Where did Dr. Thomas Huan Tien go to medical school?
Dr. Tien graduated from Boston University School of Medicine in 2016.
What drugs does Dr. Thomas Huan Tien prescribe most?
In 2024 Medicare Part D data, Dr. Tien's most prescribed drugs by claims were Prednisolone Acetate, Moxifloxacin and Timolol Maleate.
Has Dr. Thomas Huan Tien received payments from drug or device companies?
CMS Open Payments shows $5,422 in general payments to Dr. Tien from 17 companies from 2017 to 2025. The largest total came from TissueTech, Inc.
How long has Dr. Thomas Huan Tien been practicing?
Dr. Tien graduated from medical school in 2016, 10 years ago.
Does Dr. Thomas Huan Tien do research?
Dmand AI links 2 publications to Dr. Tien, published from 2022 to 2024.
Who does Dr. Thomas Huan Tien publish with?
Dr. Tien's most frequent co-authors are Brandon Daniel Ayres, MD (1 shared paper), Brenton David Finklea, MD (1 shared paper) and Omesh Parkash Gupta, MD (1 shared paper).
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