Dr. Isaac Schiff, MD
- Medicare services, 2024
- 208
- Medicare patients, 2024
- 160
- Part D claims, 2024
- 182
- Hospital affiliations
- 3
- Medical groups
- 2
- Practice address
- 55 Fruit Street, 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
Find Dr. Schiff's professional email, personal email and mobile number
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Dr. Isaac Schiff is an OB-GYN in Boston, Massachusetts
Dr. Schiff practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.
Dr. Schiff's NPI, 1821088196, was assigned on October 26, 2005. Dr. Schiff holds Massachusetts license 37193.
- NPI
- 1821088196NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6204876311
- NPI enumeration date
- October 26, 2005
- 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
- 84
- Medical school graduation
- 1968
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Isaac Schiff practices at Massachusetts General Hospital in Boston, Massachusetts
Dr. Schiff's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.
- Massachusetts General Hospital55 Fruit Street, Boston, MA 02114 · Suffolk CountyPhone(617) 726-2000
Source: Dmand AI Affiliation Data
Dr. Isaac Schiff is affiliated with 4 sites of care and 2 medical groups
Dr. Schiff's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dr. Schiff is also affiliated with Brigham and Women's Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Dr. Schiff to 1 more hospital, 1 community health center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Isaac Schiff's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Schiff practices, 4 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 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Isaac Schiff is one of 903 OB-GYNs in Massachusetts
Obstetrics and gynecology is Dr. Schiff's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Schiff is licensed in Massachusetts.
Specialties and state licenses
- Obstetrics and gynecology, MassachusettsPrimary
OB-GYNs near Dr. Schiff
Counts of OB-GYNs 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. Isaac Schiff billed Medicare for 208 services in 2024
CMS data shows 208 Medicare services from Dr. Schiff across 2 procedure codes in 2024, for 160 Medicare patients. Medicare paid $14,180 for them. Every service was in an office.
Dr. Schiff's Medicare services by type, 2024
- Office and hospital visits165
- Other services43
Dr. Schiff compared with the Massachusetts median for OB-GYNs, 2024
- Dr. Schiff
- Massachusetts median
- Medicare services
- 208vs 583.6 times
- Medicare patients
- 160vs 562.9 times
- Part D claims
- 133vs 294.6 times
Medians across 803 OB-GYNs in Massachusetts with Dmand AI profiles that report each measure.
Dr. Schiff'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Schiff and other OB-GYNs in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Isaac Schiff treated 160 Medicare patients in 2024, average age 77
CMS counts 160 Medicare patients who saw Dr. Schiff in 2024. The largest group is 75 to 84, with 82 patients. 68% of them have high cholesterol, and 51% have high blood pressure. Their average risk score is 0.86, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Schiff's median patient age at 78, with 100% women.
Dr. Schiff's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Schiff's Medicare patients, 2024
- High cholesterol68%
- High blood pressure51%
- Osteoporosis46%
- Arthritis44%
- Anxiety23%
- Cancer21%
- Mood disorders18%
- Depression17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Schiff's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Isaac Schiff wrote 182 Medicare Part D claims in 2024
In 2024, Dr. Schiff wrote 182 Medicare Part D claims for 52 patients. 64% of them were for generic drugs. CMS names the drug for 133 of them, across 6 drugs with 11 or more claims each, at $17,923 in total drug cost.
Dr. Schiff's Part D claims by kind of drug, 2024
- Generic116 claims64%
- Brand-name66 claims36%
Dr. Schiff'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.
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 Dr. Isaac Schiff takes part in Medicare
Dr. Schiff 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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Sources for Dr. Isaac Schiff'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 DataDmand AI Org Hierarchy 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) |
| 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. Isaac Schiff
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. Isaac Schiff's NPI number?
Dr. Isaac Schiff's NPI number is 1821088196. It was assigned on October 26, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Isaac Schiff?
Dr. Isaac Schiff is an OB-GYN in Boston, Massachusetts. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Isaac Schiff practice?
Dr. Schiff practices at 55 Fruit Street, Boston, MA 02114. Dr. Schiff's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Schiff to 1 hospital, 1 community health center and 1 medical group.
What is Dr. Isaac Schiff's office phone number?
The practice phone on file for Dr. Schiff is (617) 726-2000.
What is Dr. Isaac Schiff's medical license number?
Dr. Schiff holds Massachusetts license 37193.
Which hospitals is Dr. Isaac Schiff affiliated with?
Dr. Schiff practices at Massachusetts General Hospital in Boston, Massachusetts. Dr. Schiff is also affiliated with Brigham and Women's Hospital. Dmand AI links Dr. Schiff to 1 more hospital.
What medical group is Dr. Isaac Schiff part of?
Dr. Schiff is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Dr. Schiff to 1 more medical group.
Does Dr. Isaac Schiff accept Medicare?
Yes. CMS data shows Dr. Schiff billed Medicare for 208 services in 2024, and Dr. Schiff accepts Medicare assignment.
How many Medicare patients does Dr. Isaac Schiff see?
CMS counts 160 Medicare patients who saw Dr. Schiff in 2024, with an average age of 77.
What services does Dr. Isaac Schiff bill to Medicare?
In 2024, Dr. Schiff's most billed Medicare services were office visit, established patient (99213) and medicare temporary code (Q0091).
What drugs does Dr. Isaac Schiff prescribe most?
In 2024 Medicare Part D data, Dr. Schiff's most prescribed drugs by claims were Estradiol, Yuvafem and Estradiol (Once Weekly).
How long has Dr. Isaac Schiff been practicing?
Dr. Schiff graduated from medical school in 1968, 58 years ago.
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