Olin P. Callaghan, PA

  • Delmar, NY
  • Physician assistant
NPI1902891930PAC ID7416921291
Medicare services, 2024
1,244
Medicare patients, 2024
363
Part D claims, 2024
4,798
Hospital affiliations
1
Industry payments
$2,690
Practice address
250 Delaware Ave, Delmar, NY 12054
Practice phone
Call (518) 782-3700
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Community Care Delmar Medical Office

Delmar, New York

See all 10 affiliations

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Olin P. Callaghan is a physician assistant in Delmar, New York

Olin Callaghan practices at Community Care Delmar Medical Office in Delmar, New York.

Olin Callaghan's NPI, 1902891930, was assigned on September 15, 2005. Olin Callaghan holds New York license 009711.

NPI and contact details
Medicare PAC ID
7416921291
NPI enumeration date
September 15, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(518) 782-3700
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
51
Medical school graduation
2001

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

Olin P. Callaghan practices at Community Care Delmar Medical Office in Delmar, New York

Olin Callaghan's primary practice is Community Care Delmar Medical Office, at 250 Delaware Ave, Delmar, NY 12054 in Albany County. The practice phone is (518) 782-3700.

  • Community Care Delmar Medical Office
    250 Delaware Ave, Delmar, NY 12054 · Albany CountyPhone(518) 782-3700

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

Olin P. Callaghan is affiliated with 7 sites of care and 3 medical groups

Olin Callaghan's primary practice is Community Care Delmar Medical Office in Delmar, New York. Olin Callaghan is also affiliated with St. Peter's Hospital. The medical group on file is Community Care Physicians. Dmand AI also links Olin Callaghan to 3 more group practices and clinics, 2 medical groups, 1 home health agency and 1 hospice, each named with a free account.

See all 10 affiliations for Olin Callaghan

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

Dmand AI tracks the EHR system at Olin P. Callaghan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Olin Callaghan practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Community Care Delmar Medical OfficeAvailable with a free account
+6 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Olin P. Callaghan is one of 11,456 physician assistants in New York

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

Specialties and state licenses

  • Physician assistant, New YorkPrimaryLicense 009711 · taxonomy 363A00000X

Clinical focus

Dmand AI lists acute sinusitis, acute skin infection, adjustment disease, anxiety, asthma, bipolar disorder, bladder disease and bronchitis among the conditions Olin Callaghan treats.

Physician assistants near Olin Callaghan

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

11,456physician assistants in New York
2physician assistants in Delmar

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Olin P. Callaghan billed Medicare for 1,244 services in 2024

CMS data shows 1,244 Medicare services from Olin Callaghan across 18 procedure codes in 2024, for 363 Medicare patients. Medicare paid $41,393 for them. Every service was in an office.

Medicare services, 20241,244
Medicare patients363
Paid by Medicare$41,393
Procedure codes18

Olin Callaghan's Medicare services by type, 2024

  1. Office and hospital visits410
  2. Lab and pathology364
  3. Other services350
  4. Tests and treatments105
  5. Surgery15

Olin Callaghan compared with the New York median for physician assistants, 2024

  • Olin Callaghan
  • New York median
Medicare services
1,244vs 1767.1 times
Medicare patients
363vs 784.7 times
Part D claims
4,128vs 24516.8 times

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

Olin Callaghan'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 Olin Callaghan

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

Olin P. Callaghan treated 363 Medicare patients in 2024, average age 74

CMS counts 363 Medicare patients who saw Olin Callaghan in 2024. The largest group is 65 to 74, with 170 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 10% are also on Medicaid. Their average risk score is 1.05, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Olin Callaghan's median patient age at 58, with 40% women.

Medicare patients, 2024363
Average age74
Average risk score1.05
Also on Medicaid10%

Olin Callaghan's Medicare patients by age, 2024

Olin Callaghan's Medicare patients by sex, 2024

  • Women15844%
  • Men20556%

Chronic conditions among Olin Callaghan's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure71%
  3. Ischemic heart disease42%
  4. Arthritis33%
  5. Anxiety26%
  6. Diabetes22%
  7. Atrial fibrillation21%
  8. Chronic kidney disease16%

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

Olin Callaghan'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

  • Women40%
  • Men60%

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

Olin P. Callaghan wrote 4,798 Medicare Part D claims in 2024

In 2024, Olin Callaghan wrote 4,798 Medicare Part D claims for 794 patients. 88% of them were for generic drugs. CMS names the drug for 4,128 of them, across 93 drugs with 11 or more claims each, at $293,678 in total drug cost.

Part D claims, 20244,798
Drugs named by CMS93
Total drug cost$293,678
Part D patients794

Olin Callaghan's Part D claims by kind of drug, 2024

  • Generic4,212 claims88%
  • Brand-name535 claims11%
  • Other51 claims1%

Olin Callaghan'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 Olin Callaghan's Part D claims, 2024

  • Opioids5%230 of 4,798 claims
  • Antibiotics9%451 of 4,798 claims
  • Antipsychotics, patients 65 and over0%18 of 4,798 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Olin Callaghan

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

Olin P. Callaghan offers telehealth to Medicare patients

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

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Olin P. Callaghan received $2,690 in industry payments in 2025

CMS Open Payments shows 138 general payments to Olin Callaghan from 23 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $481.

Companies that paid Olin Callaghan the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Olin Callaghan

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

Olin P. Callaghan 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 Olin P. Callaghan'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 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 Olin P. Callaghan

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

What is Olin P. Callaghan's NPI number?

Olin P. Callaghan's NPI number is 1902891930. It was assigned on September 15, 2005, and it is active in the NPI Registry.

What does Olin P. Callaghan specialize in?

Olin P. Callaghan is a physician assistant in Delmar, New York. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Olin P. Callaghan practice?

Olin Callaghan practices at 250 Delaware Ave, Delmar, NY 12054. Olin Callaghan's primary practice is Community Care Delmar Medical Office in Delmar, New York. Dmand AI also links Olin Callaghan to 3 group practices and clinics, 2 medical groups, 1 home health agency and 1 hospice.

What is Olin P. Callaghan's office phone number?

The practice phone on file for Olin Callaghan is (518) 782-3700.

What is Olin P. Callaghan's medical license number?

Olin Callaghan holds New York license 009711.

Which hospitals is Olin P. Callaghan affiliated with?

Olin Callaghan is affiliated with St. Peter's Hospital.

What medical group is Olin P. Callaghan part of?

Olin Callaghan is linked to Community Care Physicians. Dmand AI links Olin Callaghan to 2 more medical groups.

Does Olin P. Callaghan accept Medicare?

Yes. CMS data shows Olin Callaghan billed Medicare for 1,244 services in 2024, and Olin Callaghan accepts Medicare assignment.

Does Olin P. Callaghan offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Olin Callaghan as offering telehealth services.

How many Medicare patients does Olin P. Callaghan see?

CMS counts 363 Medicare patients who saw Olin Callaghan in 2024, with an average age of 74.

Show 5 more questionsShow fewer questions

Is Olin P. Callaghan board certified?

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

What services does Olin P. Callaghan bill to Medicare?

In 2024, Olin Callaghan's most billed Medicare services were medicare service (G2211), office visit, established patient (99213) and medicare service (G0008).

What drugs does Olin P. Callaghan prescribe most?

In 2024 Medicare Part D data, Olin Callaghan's most prescribed drugs by claims were Prednisone, Omeprazole and Atorvastatin Calcium.

Has Olin P. Callaghan received payments from drug or device companies?

CMS Open Payments shows $2,690 in general payments to Olin Callaghan from 23 companies from 2025 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.

How long has Olin P. Callaghan been practicing?

Olin Callaghan graduated from medical school in 2001, 25 years ago.

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