Dr. Fer Eren, MD

  • Glen Burnie, MD
  • Internist
NPI1497854376PAC ID5496746919
Medicare services, 2024
6,742
Medicare patients, 2024
636
Part D claims, 2024
12,857
Hospital affiliations
2
Industry payments
$755
Practice address
7310 Ritchie Hwy Suite 800 Suite 800, Glen Burnie, MD 21061-3295
Practice phone
Call (410) 768-3936
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Eren And Atluri, Mds

Primary care practice · Glen Burnie, Maryland

See all 9 affiliations

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Dr. Fer Eren is an internist in Glen Burnie, Maryland

Dr. Eren practices at Eren And Atluri, Mds in Glen Burnie, Maryland.

Dr. Eren's NPI, 1497854376, was assigned on September 21, 2006. Dr. Eren holds Maryland license D0055506.

NPI and contact details
Medicare PAC ID
5496746919
NPI enumeration date
September 21, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(410) 768-3936
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
56
Medical school graduation
1996

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Fer Eren practices at Eren and Atluri, Mds in Glen Burnie, Maryland

Dr. Eren's primary practice is Eren and Atluri, Mds, at 7310 Ritchie Hwy Suite 800 Suite 800, Glen Burnie, MD 21061-3295. The practice phone is (410) 768-3936.

  • Eren and Atluri, Mds
    7310 Ritchie Hwy Suite 800 Suite 800, Glen Burnie, MD 21061-3295Phone(410) 768-3936

Source: Dmand AI Affiliation Data

Dr. Fer Eren is affiliated with 8 sites of care and 1 medical group

Dr. Eren's primary practice is Eren And Atluri, Mds in Glen Burnie, Maryland. Dr. Eren is also affiliated with University of Maryland Baltimore Washington Medical Center. The medical group on file is Eren and Atluri MDs. Dmand AI also links Dr. Eren to 1 more hospital and 5 home health agencies, each named with a free account.

See all 9 affiliations for Dr. Eren

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Fer Eren's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Eren practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Eren And Atluri, MdsAvailable with a free account
+7 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Fer Eren is one of 3,320 internists in Maryland

Internal medicine is Dr. Eren's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Eren is licensed in Maryland.

Specialties and state licenses

  • Internal medicine, MarylandPrimaryLicense D0055506 · taxonomy 207R00000X

Internists near Dr. Eren

Counts of internists 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. Fer Eren billed Medicare for 6,742 services in 2024

CMS data shows 6,742 Medicare services from Dr. Eren across 13 procedure codes in 2024, for 636 Medicare patients. Medicare paid $310,085 for them. Every service was in an office.

Medicare services, 20246,742
Medicare patients636
Paid by Medicare$310,085
Procedure codes13

Dr. Eren's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Other services
2023: 8882024: 3,441288%
Office and hospital visits
2023: 3,0252024: 2,8446%
Tests and treatments
2023: 4572024: 457No change

Dr. Eren compared with the Maryland median for internists, 2024

  • Dr. Eren
  • Maryland median
Medicare services
6,742vs 65610.3 times
Medicare patients
636vs 2512.5 times
Part D claims
12,069vs 30939.1 times

Medians across 3,215 internists in Maryland with Dmand AI profiles that report each measure.

Dr. Eren'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.

See all procedures by Dr. Eren

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Fer Eren treated 636 Medicare patients in 2024, average age 73

CMS counts 636 Medicare patients who saw Dr. Eren in 2024. The largest group is 65 to 74, with 291 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.23, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Eren's median patient age at 60, with 51% women.

Medicare patients, 2024636
Average age73
Average risk score1.23
Also on Medicaid21%

Dr. Eren's Medicare patients by age, 2024

Dr. Eren's Medicare patients by sex, 2024

  • Women33653%
  • Men30047%

Chronic conditions among Dr. Eren's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis50%
  4. Diabetes46%
  5. Chronic kidney disease36%
  6. Mood disorders34%
  7. Depression32%
  8. Anxiety31%

Share of Medicare patients with each condition. A patient can have several.

Dr. Eren's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women51%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Fer Eren wrote 12,857 Medicare Part D claims in 2024

In 2024, Dr. Eren wrote 12,857 Medicare Part D claims for 651 patients. 87% of them were for generic drugs. CMS names the drug for 12,069 of them, across 139 drugs with 11 or more claims each, at $1,295,238 in total drug cost. In 2023, CMS named 10,527 claims across 138 drugs.

Part D claims, 202412,857
Drugs named by CMS139
Total drug cost$1.3M
Part D patients651

Dr. Eren's Part D claims by kind of drug, 2024

  • Generic11,145 claims87%
  • Brand-name1,655 claims13%
  • Other57 claims0%

Dr. Eren'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.

Drug classes CMS tracks in Dr. Eren's Part D claims, 2024

  • Opioids0%44 of 12,857 claims
  • Antibiotics4%455 of 12,857 claims
  • Antipsychotics, patients 65 and over0%45 of 12,857 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 10,5272024: 12,06915%

Drugs named by CMS: 139 in 2024, 138 in 2023.

See all prescribing by Dr. Eren

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

Dr. Fer Eren offers telehealth to Medicare patients

Dr. Eren accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Eren as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Fer Eren received $755 in industry payments from 2016 to 2025

CMS Open Payments shows 32 general payments to Dr. Eren from 15 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 89% of the total. Dexcom, Inc. paid the most, $160.

General payments to Dr. Eren by program year, 2016 to 2025

General payments to Dr. Eren by kind, 2016 to 2025

$755in total
  • Food and beverage$67389%
  • Education$8211%

Companies that paid Dr. Eren the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Eren

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Fer Eren's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Fer Eren

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. Fer Eren's NPI number?

Dr. Fer Eren's NPI number is 1497854376. It was assigned on September 21, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Fer Eren?

Dr. Fer Eren is an internist in Glen Burnie, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Fer Eren practice?

Dr. Eren practices at 7310 Ritchie Hwy Suite 800 Suite 800, Glen Burnie, MD 21061-3295. Dr. Eren's primary practice is Eren And Atluri, Mds in Glen Burnie, Maryland. Dmand AI also links Dr. Eren to 1 hospital and 5 home health agencies.

What is Dr. Fer Eren's office phone number?

The practice phone on file for Dr. Eren is (410) 768-3936.

What is Dr. Fer Eren's medical license number?

Dr. Eren holds Maryland license D0055506.

Which hospitals is Dr. Fer Eren affiliated with?

Dr. Eren is affiliated with University of Maryland Baltimore Washington Medical Center. Dmand AI links Dr. Eren to 1 more hospital.

What medical group is Dr. Fer Eren part of?

Dr. Eren is linked to Eren and Atluri MDs.

Does Dr. Fer Eren accept Medicare?

Yes. CMS data shows Dr. Eren billed Medicare for 6,742 services in 2024, and Dr. Eren accepts Medicare assignment.

Does Dr. Fer Eren offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Eren as offering telehealth services.

How many Medicare patients does Dr. Fer Eren see?

CMS counts 636 Medicare patients who saw Dr. Eren in 2024, with an average age of 73.

Show 4 more questionsShow fewer questions

What services does Dr. Fer Eren bill to Medicare?

In 2024, Dr. Eren's most billed Medicare services were medicare service (G2211), office visit, established patient (99213) and office visit, established patient (99214).

What drugs does Dr. Fer Eren prescribe most?

In 2024 Medicare Part D data, Dr. Eren's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Metoprolol Succinate.

Has Dr. Fer Eren received payments from drug or device companies?

CMS Open Payments shows $755 in general payments to Dr. Eren from 15 companies from 2016 to 2025. The largest total came from Dexcom, Inc.

How long has Dr. Fer Eren been practicing?

Dr. Eren graduated from medical school in 1996, 30 years ago.

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