Helen Chang-Deguzman, M.D.
Nephrology Physician · Elkton, MD
Helen Chang-Deguzman, M.D. is a nephrology physician with a practice address in Elkton, Maryland, and NPI 1710989926, issued on Jun 1, 2005. Check the license (Maryland D0057355, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Helen Chang-Deguzman
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- D0057355 MD
C1-0006336 DE
Self-reported in NPPES; status is on the state search - Practice location
- 137 W High St, Elkton, MD 21921
- Phone
- (410) 620-9200
- Enumerated
- Jun 1, 2005
- Record last updated
- Jun 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (410) 620-9207
- Medicaid IDs
- 0001183101 DE
699445800 MD - Medicare enrollment
- Enrolled (PECOS I20110317000106); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 337 in Maryland → Look up another NPI →
Also registered at 137 W High St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Bedard, PTPhysical Therapist1154432268
- Caroline Bruce, RD, LDNRegistered Dietitian1306115225
- Martin Gavin, D.O.Nephrology Physician1609862150
- Aprile Harris, MSNNurse Practitioner1831133701
- Kristine Henry, LDNNutritionist1649565482
- Megan Kornhaus, RD, LDNRegistered Dietitian1750659538
Verify Helen Chang-Deguzman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0057355Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% more Medicare Part D claims than the average nephrology physician in 2024
1,566 Medicare Part D claims for 304 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Furosemide129 claims
- Spironolactone100 claims
- Losartan Potassium91 claims
- Lisinopril82 claims
- Farxiga76 claims
- Amlodipine Besylate61 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: $1,389.79
59 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,230 providers of this specialty with any payment received $3,091.37 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 2 group practices
- Christiana Care Health Services IncNewark, DE
- Nephrology Associates PAElkton, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Helen Chang-Deguzman among 337 nephrology physician records in Maryland
Helen Chang-Deguzman, M.D. is one of 337 nephrology physician records with a practice address in Maryland. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1996 · median 2001 among the 232 with a school on file
- Record last updated2021 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Maryland
There are 337 nephrology physician records in Maryland.
All 337 in Maryland → Every provider in Elkton → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Martin Gavin, D.O.Elkton, MD 219211609862150
- Collette Mehring, D.O.Elkton, MD 219211326232208
- Vijay Nellore, MDPerry Point, MD 219021063474260
- Ali Arif, MDSalisbury, MD 218041578124038
- Karen Dah, M.D.Salisbury, MD 218041730467804
- Muhammad Hanif, MDSalisbury, MD 218041144731100
- Muhammad Jahngir, M.D.Salisbury, MD 218041225692411
- Kazi Khan, MDSalisbury, MD 218041659959062
Common questions
What is Helen Chang-Deguzman, M.D.'s NPI number?
Helen Chang-Deguzman, M.D.'s National Provider Identifier (NPI) is 1710989926, issued on Jun 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Helen Chang-Deguzman, M.D. located?
The NPPES record lists a practice address at 137 W High St, Elkton, MD, 21921. Phone: (410) 620-9200. Providers update this record themselves, so call before visiting.
How can I verify Helen Chang-Deguzman, M.D.'s license?
NPPES lists Maryland license number D0057355, 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 Helen Chang-Deguzman, M.D. prescribe under Medicare Part D?
In 2024, Helen Chang-Deguzman, M.D. had 1,566 Medicare Part D claims for 304 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.