Amballur John, M.D.
Pain Medicine (Anesthesiology) Physician · Baltimore, MD
Amballur John, M.D. is a pain medicine (anesthesiology) physician with a practice address in Baltimore, Maryland, and NPI 1932156130, issued on May 31, 2006. Check the license (Maryland D59050, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Amballur John
- Credential
- M.D.
- Primary taxonomy
- Pain Medicine (Anesthesiology) Physician 207LP2900X
- License number
- D59050 MD
Self-reported in NPPES; status is on the state search - Practice location
- 4940 Eastern Ave, Baltimore, MD 21224
- Phone
- (410) 955-6353
- Enumerated
- May 31, 2006
- Record last updated
- Feb 22, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicaid ID
- 400294600 MD
- Medicare enrollment
- Enrolled (PECOS I20071023000790); may accept Medicare assignment
- Medical or professional school
- New York Medical College, 1990
- Entity
- Type 1 · individual
8 nearest pain medicine (anesthesiology) physician records → All 88 in Maryland → Look up another NPI →
Also registered at 4940 Eastern Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Anas AbdullahStudent in an Organized Health Care Education/Training Program1184040917
- Asma Abeer, PA-CMedical Physician Assistant1386356442
- Mona Abraham, MDStudent in an Organized Health Care Education/Training Program1245807395
- Sherifatu Abu, MDInternal Medicine Physician1093372922
Verify Amballur John in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D59050Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 74.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Johns Hopkins UniversityBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amballur John among 88 pain medicine (anesthesiology) physician records in Maryland
Amballur John, M.D. is one of 88 pain medicine (anesthesiology) physician records with a practice address in Maryland. 85% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 53% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1990 · median 2002 among the 68 with a school on file
- Record last updated2013 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Anesthesiology) Physician providers in Maryland
There are 88 pain medicine (anesthesiology) physician records in Maryland.
All 88 in Maryland → Every provider in Baltimore → Pain Medicine (Anesthesiology) Physician nationwide →
The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes
- Renee Blanding, M.D.Baltimore, MD 212241962468645
- Benjamin Fujita-Howie, MD, MPHBaltimore, MD 212241962961813
- David Gichtin, M.D.Baltimore, MD 212241194779405
- Orion Whitaker, M.D.Baltimore, MD 212241598707069
- Sundaram Chettiar, M.D.Baltimore, MD 212291497047641
- Arash Khoie, MDBaltimore, MD 212181134333917
- Avni Gupta, M.B.B.S.Baltimore, MD 212151215184247
- Brian Block, M.D.Baltimore, MD 212041326004433
Common questions
What is Amballur John, M.D.'s NPI number?
Amballur John, M.D.'s National Provider Identifier (NPI) is 1932156130, issued on May 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Amballur John, M.D. located?
The NPPES record lists a practice address at 4940 Eastern Ave, Baltimore, MD, 21224. Phone: (410) 955-6353. Providers update this record themselves, so call before visiting.
How can I verify Amballur John, M.D.'s license?
NPPES lists Maryland license number D59050, 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.
What is Amballur John, M.D.'s MIPS final score?
The 2023 MIPS final score is 74.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.