Thitima Jane Herfel, PA

  • East Setauket, NY
  • Physician assistant
NPI1265573919PAC ID9739228404
Medicare services, 2024
4,839
Medicare patients, 2024
317
Part D claims, 2024
58
Hospital affiliations
1
Industry payments
$270
Practice address
14 Technology Dr Suite 11 Suite 11, East Setauket, NY 11733-3464
Practice phone
Call (631) 444-4233
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Stony Brook Orthopedic Associates

Multi-specialty group site · East Setauket, New York

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Thitima Jane Herfel is a physician assistant in East Setauket, New York

Thitima Herfel practices at Stony Brook Orthopedic Associates in East Setauket, New York.

Thitima Herfel's NPI, 1265573919, was assigned on February 8, 2007. Thitima Herfel holds New York license 011358-1.

NPI and contact details
Medicare PAC ID
9739228404
NPI enumeration date
February 8, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(631) 444-4233
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
46
Medical school graduation
2006

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

Thitima Jane Herfel practices at Stony Brook Orthopedic Associates in East Setauket, New York

Thitima Herfel's primary practice is Stony Brook Orthopedic Associates, at 14 Technology Dr Suite 11 Suite 11, East Setauket, NY 11733-3464. The practice phone is (631) 444-4233.

  • Stony Brook Orthopedic Associates
    14 Technology Dr Suite 11 Suite 11, East Setauket, NY 11733-3464Phone(631) 444-4233

Source: Dmand AI Affiliation Data

Thitima Jane Herfel is affiliated with 2 sites of care and 1 medical group

Thitima Herfel's primary practice is Stony Brook Orthopedic Associates in East Setauket, New York. Thitima Herfel is also affiliated with Stony Brook University Hospital. The medical group on file is Stony Brook Orthopaedic Associates.

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Thitima Jane Herfel's practice

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

EHR by site
SiteEHR vendor and product
Stony Brook Orthopedic AssociatesAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Thitima Jane Herfel is one of 11,456 physician assistants in New York

Physician assistant is Thitima Herfel's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Thitima Herfel is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Thitima Herfel is licensed in New York.

Specialties and state licenses

  • Physician assistant, New YorkPrimaryLicense 011358-1 · taxonomy 363A00000X

Clinical focus

Dmand AI lists arthritis, bursitis, carpal tunnel syndrome, enthesopathy in arms, fluid in a joint, gout, hand joint or tendon inflammation and joint arthropathy among the conditions Thitima Herfel treats.

Physician assistants near Thitima Herfel

Counts of physician assistants 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

Thitima Jane Herfel billed Medicare for 4,839 services in 2024

CMS data shows 4,839 Medicare services from Thitima Herfel across 13 procedure codes in 2024, for 317 Medicare patients. Medicare paid $113,977 for them. Every service was in an office.

Medicare services, 20244,839
Medicare patients317
Paid by Medicare$113,977
Procedure codes13

Thitima Herfel's Medicare services by type, 2024

  1. Drugs given in the office3,929
  2. Surgery473
  3. Office and hospital visits383
  4. Imaging38
  5. Tests and treatments16

Thitima Herfel compared with the New York median for physician assistants, 2024

  • Thitima Herfel
  • New York median
Medicare services
4,839vs 17627.5 times
Medicare patients
317vs 784.1 times
Part D claims
41vs 24583% below

Medians across 6,477 physician assistants in New York with Dmand AI profiles that report each measure.

Thitima Herfel'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 Thitima Herfel

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

Thitima Jane Herfel treated 317 Medicare patients in 2024, average age 76

CMS counts 317 Medicare patients who saw Thitima Herfel in 2024. The largest group is 75 to 84, with 147 patients. 75% of them have arthritis, and 75% have high blood pressure. 15% are also on Medicaid. Their average risk score is 1.17, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Thitima Herfel's median patient age at 58, with 58% women.

Medicare patients, 2024317
Average age76
Average risk score1.17
Also on Medicaid15%

Thitima Herfel's Medicare patients by age, 2024

Thitima Herfel's Medicare patients by sex, 2024

  • Women20665%
  • Men11135%

Chronic conditions among Thitima Herfel's Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Ischemic heart disease39%
  5. Diabetes30%
  6. Anxiety26%
  7. Osteoporosis25%
  8. Mood disorders24%

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

Thitima Herfel's patients across all payers

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

Patient panel by age, all payers

Median age 58

Patient panel by sex, all payers

  • Women58%
  • Men39%

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

Thitima Jane Herfel wrote 58 Medicare Part D claims in 2024

In 2024, Thitima Herfel wrote 58 Medicare Part D claims for 40 patients. 100% of them were for generic drugs. CMS names the drug for 41 of them, across 2 drugs with 11 or more claims each, at $721 in total drug cost.

Part D claims, 202458
Drugs named by CMS2
Total drug cost$721
Part D patients40

Thitima Herfel'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.

See all prescribing by Thitima Herfel

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

How Thitima Jane Herfel takes part in Medicare

Thitima Herfel accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Thitima Jane Herfel received $270 in industry payments in 2025

CMS Open Payments shows 5 general payments to Thitima Herfel from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. PolyNovo North America LLC paid the most, $182.

Companies that paid Thitima Herfel the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Thitima Herfel

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

Thitima Jane Herfel is board certified in certified physician assistant

  1. Board certified in certified physician assistantNational Commission on Certification of Physician Assistants (NCCPA)

Source: Dmand AI Professional Profile Data

Sources for Thitima Jane Herfel'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 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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Thitima Jane Herfel

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Thitima Jane Herfel's NPI number?

Thitima Jane Herfel's NPI number is 1265573919. It was assigned on February 8, 2007, and it is active in the NPI Registry.

What does Thitima Jane Herfel specialize in?

Thitima Jane Herfel is a physician assistant in East Setauket, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Thitima Jane Herfel practice?

Thitima Herfel practices at 14 Technology Dr Suite 11 Suite 11, East Setauket, NY 11733-3464. Thitima Herfel's primary practice is Stony Brook Orthopedic Associates in East Setauket, New York.

What is Thitima Jane Herfel's office phone number?

The practice phone on file for Thitima Herfel is (631) 444-4233.

What is Thitima Jane Herfel's medical license number?

Thitima Herfel holds New York license 011358-1.

Which hospitals is Thitima Jane Herfel affiliated with?

Thitima Herfel is affiliated with Stony Brook University Hospital.

What medical group is Thitima Jane Herfel part of?

Thitima Herfel is linked to Stony Brook Orthopaedic Associates.

Does Thitima Jane Herfel accept Medicare?

Yes. CMS data shows Thitima Herfel billed Medicare for 4,839 services in 2024, and Thitima Herfel accepts Medicare assignment.

How many Medicare patients does Thitima Jane Herfel see?

CMS counts 317 Medicare patients who saw Thitima Herfel in 2024, with an average age of 76.

Is Thitima Jane Herfel board certified?

Yes. Thitima Herfel is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).

Show 4 more questionsShow fewer questions

What services does Thitima Jane Herfel bill to Medicare?

In 2024, Thitima Herfel's most billed Medicare services were injected or infused drug (J1010), injected or infused drug (J3304) and injected or infused drug (J7323).

What drugs does Thitima Jane Herfel prescribe most?

In 2024 Medicare Part D data, Thitima Herfel's most prescribed drugs by claims were Diclofenac Sodium and Meloxicam.

Has Thitima Jane Herfel received payments from drug or device companies?

CMS Open Payments shows $270 in general payments to Thitima Herfel from 4 companies from 2025 to 2025. The largest total came from PolyNovo North America LLC.

How long has Thitima Jane Herfel been practicing?

Thitima Herfel graduated from medical school in 2006, 20 years ago.

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