Dr. Daniel Okin, MD, PhD
- Medicare services, 2024
- 109
- Medicare patients, 2024
- 52
- Part D claims, 2022
- 28
- Affiliated sites
- 3
- Medical groups
- 3
- Practice address
- 55 Fruit St, Boston, MA 02114
- Practice phone
- Call (617) 726-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Massachusetts General Hospital
Boston, Massachusetts
Find Dr. Okin's professional email, personal email and mobile number
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Dr. Daniel Okin is a pulmonologist in Boston, Massachusetts
Dr. Okin practices at Massachusetts General Hospital in Boston, Massachusetts.
Dr. Okin's NPI, 1215386511, was assigned on June 7, 2016. Dr. Okin graduated from Yale University School of Medicine in 2016. Dr. Okin holds Massachusetts license 276620.
- NPI
- 1215386511NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890081244
- NPI enumeration date
- June 7, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 726-2000
- 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 Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Daniel Okin practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Okin's primary practice is Massachusetts General Hospital, at 55 Fruit St, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit St, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Daniel Okin is affiliated with 4 sites of care and 3 medical groups
Dr. Okin's primary practice is Massachusetts General Hospital in Boston, Massachusetts. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Okin to 3 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Daniel Okin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Okin practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Massachusetts General Hospital | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Daniel Okin is one of 485 pulmonologists in Massachusetts
Pulmonary disease is Dr. Okin's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Okin is licensed in Massachusetts.
Specialties and state licenses
- Pulmonary disease, MassachusettsPrimary
Pulmonologists near Dr. Okin
Counts of pulmonologists 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. Daniel Okin billed Medicare for 109 services in 2024
CMS data shows 109 Medicare services from Dr. Okin across 2 procedure codes in 2024, for 52 Medicare patients. Medicare paid $15,524 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Okin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1332024: 10918%
Dr. Okin compared with the Massachusetts median for pulmonologists, 2024
- Dr. Okin
- Massachusetts median
- Medicare services
- 109vs 47577% below
- Medicare patients
- 52vs 25580% below
- Part D claims
- 28vs 32991% below
Medians across 481 pulmonologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Okin'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. Daniel Okin treated 52 Medicare patients in 2024, average age 68
CMS counts 52 Medicare patients who saw Dr. Okin in 2024. The largest group is 65 to 74, with 22 patients. 75% of them have high blood pressure, and 71% have anxiety. 56% are also on Medicaid. Their average risk score is 4.36, 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. Okin's median patient age at 56, with 0% women.
Dr. Okin's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Okin's Medicare patients by sex, 2024
- Women2752%
- Men2548%
Chronic conditions among Dr. Okin's Medicare patients, 2024
- High blood pressure75%
- Anxiety71%
- Heart failure65%
- High cholesterol65%
- Mood disorders62%
- Chronic kidney disease60%
- Atrial fibrillation54%
- COPD54%
Share of Medicare patients with each condition. A patient can have several.
Dr. Okin's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women0%
- Men100%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Daniel Okin wrote 28 Medicare Part D claims in 2022
In 2022, Dr. Okin wrote 28 Medicare Part D claims. They cover 2 drugs, with $18,631 in total drug cost. In 2021, CMS named 98 claims across 6 drugs.
Dr. Okin's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 982022: 2871%
Drugs named by CMS: 2 in 2022, 6 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Daniel Okin takes part in Medicare
Dr. Okin 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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Dr. Daniel Okin graduated from Yale University School of Medicine
Dr. Okin graduated from Yale University School of Medicine in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Daniel Okin'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Daniel Okin
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. Daniel Okin's NPI number?
Dr. Daniel Okin's NPI number is 1215386511. It was assigned on June 7, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel Okin?
Dr. Daniel Okin is a pulmonologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Daniel Okin practice?
Dr. Okin practices at 55 Fruit St, Boston, MA 02114. Dr. Okin's primary practice is Massachusetts General Hospital in Boston, Massachusetts. Dmand AI also links Dr. Okin to 3 group practices and clinics and 2 medical groups.
What is Dr. Daniel Okin's office phone number?
The practice phone on file for Dr. Okin is (617) 726-2000.
What is Dr. Daniel Okin's medical license number?
Dr. Okin holds Massachusetts license 276620.
What medical group is Dr. Daniel Okin part of?
Dr. Okin is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Okin to 2 more medical groups.
Does Dr. Daniel Okin accept Medicare?
Yes. CMS data shows Dr. Okin billed Medicare for 109 services in 2024, and Dr. Okin accepts Medicare assignment.
How many Medicare patients does Dr. Daniel Okin see?
CMS counts 52 Medicare patients who saw Dr. Okin in 2024, with an average age of 68.
What services does Dr. Daniel Okin bill to Medicare?
In 2024, Dr. Okin's most billed Medicare services were critical care (99291) and hospital inpatient care (99233).
Where did Dr. Daniel Okin go to medical school?
Dr. Okin graduated from Yale University School of Medicine in 2016.
What drugs does Dr. Daniel Okin prescribe most?
In 2022 Medicare Part D data, Dr. Okin's most prescribed drugs by claims were Advair Hfa and Trelegy Ellipta.
How long has Dr. Daniel Okin been practicing?
Dr. Okin graduated from medical school in 2016, 10 years ago.
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