Christopher Ish, MD
Internal Medicine Physician · Glen Burnie, MD
Christopher Ish, MD is an internal medicine physician with a practice address in Glen Burnie, Maryland, and NPI 1538263850, issued on Sep 8, 2006. Check the license (Maryland D53283, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Christopher Ish
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D53283 MD
Self-reported in NPPES; status is on the state search - Practice location
- 7671 Quarterfield RD, Glen Burnie, MD 21061
- Phone
- (443) 270-6760
- Enumerated
- Sep 8, 2006
- Record last updated
- May 9, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (410) 760-4830
- Medicaid ID
- 822000000 MD
- Medicare enrollment
- Enrolled (PECOS I20050412000400); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 1988
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 7671 Quarterfield RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ritha Chea, MDInternal Medicine Physician1285750760
- Patrick DantzerInternal Medicine Physician1740572437
- Bhupendra Gadani, RPHPharmacist1942604699
- Kristin HarrisPhysical Therapy Assistant1992093314
- Amy LyGeneral Practice Dentistry1992689111
- Sailesh Patel, RPH.Pharmacist1245685015
Verify Christopher Ish in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D53283Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,897 Medicare Part D claims for 260 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 92 claims were for opioids.
Most prescribed
- Atorvastatin Calcium237 claims
- Losartan Potassium100 claims
- Amlodipine Besylate95 claims
- Lisinopril86 claims
- Gabapentin68 claims
- Levothyroxine Sodium55 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.
Bills Medicare through one group practice
- Johns Hopkins Community Physicians, IncBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
70 internal medicine physician records list a practice address in Glen Burnie
They are 70 of the 1,989 NPPES records with a practice address in Glen Burnie, and 3,904 internal medicine physician records in Maryland.
All 70 in Glen Burnie → All 3,904 in Maryland → Every provider in Glen Burnie →
Other internal medicine physician records in Maryland
- Eduardo Abarca Rojas, M.D.Parkville, MD1538447628
- Rasheed Abassi, M.D.Clinton, MD1376608620
- Ghulam Abbas, MDFrederick, MD1477658045
- Shamima Abbas, MDKensington, MD1750445896
- Nourelhuda Abbas Hamed, MDSilver Spring, MD1699339473
- Arsalan Abbasi, MDWestminster, MD1942762604
- Hamdi AbdeenGaithersburg, MD1245972413
- Mukemil Abdella, M.D.Glenn Dale, MD1871603381
- Suzan Abdo, MDClarksville, MD1588631824
- Madeeha Abdul GhaffarElkton, MD1194276063
Common questions
What is Christopher Ish, MD's NPI number?
Christopher Ish, MD's National Provider Identifier (NPI) is 1538263850, issued on Sep 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Ish, MD located?
The NPPES record lists a practice address at 7671 Quarterfield RD, Glen Burnie, MD, 21061. Phone: (443) 270-6760. Providers update this record themselves, so call before visiting.
How can I verify Christopher Ish, MD's license?
NPPES lists Maryland license number D53283, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christopher Ish, MD prescribe under Medicare Part D?
In 2024, Christopher Ish, MD had 2,897 Medicare Part D claims for 260 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.