Khalid H. Ismail, MD
Sleep Medicine (Internal Medicine) Physician · Boston, MA
Khalid H. Ismail, MD is a sleep medicine (internal medicine) physician with a practice address in Boston, Massachusetts, and NPI 1649287277, issued on Aug 3, 2006. Check the license (Massachusetts 235810, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Khalid H. Ismail
- Credential
- MD
- Primary taxonomy
- Sleep Medicine (Internal Medicine) Physician 207RS0012X
- License numbers
- 235810 MA
DR43381 CO
Self-reported in NPPES; status is on the state search - Practice location
- 800 Washington St, Boston, MA 02111
- Phone
- (617) 636-5000
- Enumerated
- Aug 3, 2006
- Record last updated
- Dec 16, 2025
- Medicaid IDs
- 34607536 CO
2155061 MA - Medicare enrollment
- Enrolled (PECOS I20081010000379); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest sleep medicine (internal medicine) physician records → All 34 in Massachusetts → Look up another NPI →
Also registered at 800 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ahmad AboalfarajSurgery Physician1538517651
- Tala Abu Samaan, MDStudent in an Organized Health Care Education/Training Program1376386250
Verify Khalid H. Ismail in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 235810Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% more Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024
899 Medicare Part D claims for 222 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D. Brand-name drugs were 70% of claims.
Most prescribed
- Advair Hfa148 claims
- Spiriva Respimat79 claims
- Symbicort60 claims
- Budesonide-Formoterol Fumarate56 claims
- Albuterol Sulfate Hfa48 claims
- Fluticasone Propionate43 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $16.58
1 payment: food and beverage; the largest payer was Ardelyx, Inc. The 664 providers of this specialty with any payment received $3,724.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Brigham And Womens Physicians Organization IncBoston, MA
- Children's Hospital Pediatric Associates, IncBoston, MA
- Mass General Brigham Medical Group Suburban Massachusetts IncNewton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Khalid H. Ismail among 34 sleep medicine (internal medicine) physician records in Massachusetts
Khalid H. Ismail, MD is one of 34 sleep medicine (internal medicine) physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 50% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1995 · median 2002 among the 24 with a school on file
- Record last updated2025 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sleep Medicine (Internal Medicine) Physician providers in Massachusetts
There are 34 sleep medicine (internal medicine) physician records in Massachusetts.
All 34 in Massachusetts → Every provider in Boston → Sleep Medicine (Internal Medicine) Physician nationwide →
The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes
- Rohit Budhiraja, M.D.Boston, MA 021111497772164
- Nidhi Jain, M.B.B.S.Boston, MA 021111972295327
- Aylin Ozsancak, M.D.Boston, MA 021111912151796
- Samia Ayub, M.B.B.SBoston, MA 021151801160668
- Elizabeth BengeBoston, MA 021151144857202
- Suzanne Bertisch, M.D., M.P.H.Boston, MA 021151710078936
- Seyni Gueye-Ndiaye, M.D.Boston, MA 021151932657822
- Syed Moin Hassan, M.D.Boston, MA 021151295186187
Common questions
What is Khalid H. Ismail, MD's NPI number?
Khalid H. Ismail, MD's National Provider Identifier (NPI) is 1649287277, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Khalid H. Ismail, MD located?
The NPPES record lists a practice address at 800 Washington St, Boston, MA, 02111. Phone: (617) 636-5000. Providers update this record themselves, so call before visiting.
How can I verify Khalid H. Ismail, MD's license?
NPPES lists Massachusetts license number 235810, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Khalid H. Ismail, MD prescribe under Medicare Part D?
In 2024, Khalid H. Ismail, MD had 899 Medicare Part D claims for 222 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.