Dr. Nicholas Duff Hazen, MD

  • Washington, DC
  • OB-GYN
NPI1205254174PAC ID2466704663
Medicare services, 2023
20
Medicare patients, 2024
17
Part D claims, 2022
12
Publications
6
MIPS score, 2024
83
Practice address
3800 Reservoir NW Rd, Washington, DC 20007
Practice phone
Call (202) 444-1400
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Medstar Georgetown Medical Center

Washington, District of Columbia

See all 4 affiliations

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Dr. Nicholas Duff Hazen is an OB-GYN in Washington, District of Columbia

Dr. Hazen practices at Medstar Georgetown Medical Center in Washington, District of Columbia.

Dr. Hazen's NPI, 1205254174, was assigned on March 28, 2014. Dr. Hazen holds District of Columbia license MD046205.

NPI and contact details
Medicare PAC ID
2466704663
NPI enumeration date
March 28, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(202) 444-1400
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
38
Medical school graduation
2014

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

Dr. Nicholas Duff Hazen practices at Medstar Georgetown Medical Center in Washington, District of Columbia

Dr. Hazen's primary practice is Medstar Georgetown Medical Center, at 3800 Reservoir NW Rd, Washington, DC 20007 in District Of Columbia County. The practice phone is (202) 444-1400.

  • Medstar Georgetown Medical Center
    3800 Reservoir NW Rd, Washington, DC 20007 · District Of Columbia CountyPhone(202) 444-1400

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Nicholas Duff Hazen is affiliated with 1 site of care and 3 medical groups

Dr. Hazen's primary practice is Medstar Georgetown Medical Center in Washington, District of Columbia. The medical group on file is MedStar Medical Group. Dmand AI also links Dr. Hazen to 2 more medical groups, each named with a free account.

Medstar Georgetown Medical CenterWashington, District of ColumbiaPrimary
MedStar Medical GroupPrimary care group, Arlington, VA2 medical groupsNames with a free account
See all 4 affiliations for Dr. Hazen

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Nicholas Duff Hazen's practice

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

EHR by site
SiteEHR vendor and product
Medstar Georgetown Medical CenterAvailable with a free account
+2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Nicholas Duff Hazen is one of 164 OB-GYNs in District of Columbia

Obstetrics and gynecology is Dr. Hazen's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dmand AI has Dr. Hazen's licenses on file in 3 states: District of Columbia, Maryland and Virginia.

Specialties and state licenses

  • Obstetrics and gynecology, District of ColumbiaPrimaryLicense MD046205 · taxonomy 207V00000X
  • Maryland licenseLicense D85528
  • Virginia licenseLicense 0101269802

OB-GYNs near Dr. Hazen

Counts of OB-GYNs 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. Nicholas Duff Hazen billed Medicare for 20 services in 2023

CMS data shows 20 Medicare services from Dr. Hazen across 1 procedure code in 2023, all of them office visits, for 17 Medicare patients. Medicare paid $3,170 for them. Every service was in an office.

Medicare services, 202320
Medicare patients17
Paid by Medicare$3,170
Procedure codes1

Dr. Hazen compared with the District of Columbia median for OB-GYNs, 2023

  • Dr. Hazen
  • District of Columbia median
Medicare services
20vs 4151% below
Medicare patients
17vs 4461% below
Part D claims
12vs 2040% below

Medians across 124 OB-GYNs in District of Columbia with Dmand AI profiles that report each measure.

Dr. Hazen's most billed Medicare procedure codes, 2023

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. Hazen

Need commercial claims for Dr. Hazen?

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

Dr. Nicholas Duff Hazen treated 17 Medicare patients in 2024, average age 64

CMS counts 17 Medicare patients who saw Dr. Hazen in 2024. The largest group is 85 and over, with 0 patients. 71% of them have high blood pressure, and 65% have high cholesterol. Their average risk score is 1.98, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Hazen's median patient age at 41, with 99% women.

Medicare patients, 202417
Average age64
Average risk score1.98

Dr. Hazen's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

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

  1. High blood pressure71%
  2. High cholesterol65%

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

Dr. Hazen's patients across all payers

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

Patient panel by age, all payers

Median age 41

Patient panel by sex, all payers

  • Women99%
  • Men0%

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

Dr. Nicholas Duff Hazen wrote 12 Medicare Part D claims in 2022

In 2022, Dr. Hazen wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $90 in total drug cost.

Part D claims, 202212
Drugs named by CMS1
Total drug cost$90

Dr. Hazen's most prescribed drugs by claims, 2022

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

See all prescribing by Dr. Hazen

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

Dr. Nicholas Duff Hazen scored 83 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Hazen for performance year 2024, reported as part of a group. Dr. Hazen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Hazen's MIPS scores, performance year 2024

  • 83of 100Final score
  • 72.9of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 68of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Nicholas Duff Hazen has 6 publications on record

Dmand AI links 6 papers to Dr. Hazen, published from 2021 to 2024. 2022 was the busiest year, with 2. Dr. Hazen has published most often in J Minim Invasive Gynecol. Dr. Hazen's most frequent co-authors are Michael Auerbach, MD, Neal Barnard, MD and Elizabeth A. Brunn, MD.

Papers6
Years published2021 to 2024

Dr. Hazen's papers by year, 2021 to 2024

Dr. Hazen's most frequent co-authors

Recent publications by Dr. Hazen

See all 6 publications and co-authors

See who Dr. Hazen researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hazen works with, so you can find a warm path to the right OB-GYNs.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Nicholas Duff Hazen received $4,853 in industry payments from 2016 to 2024

CMS Open Payments shows 67 general payments to Dr. Hazen from 19 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 83% of the total. Medtronic, Inc. paid the most, $735.

General payments to Dr. Hazen by program year, 2016 to 2024

General payments to Dr. Hazen by kind, 2016 to 2024

$4.9Kin total
  • Food and beverage$4,01483%
  • Travel and lodging$51411%
  • Education$3257%

Companies that paid Dr. Hazen the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Hazen

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

Sources for Dr. Nicholas Duff Hazen'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Nicholas Duff Hazen

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. Nicholas Duff Hazen's NPI number?

Dr. Nicholas Duff Hazen's NPI number is 1205254174. It was assigned on March 28, 2014, and it is active in the NPI Registry.

What kind of doctor is Dr. Nicholas Duff Hazen?

Dr. Nicholas Duff Hazen is an OB-GYN in Washington, District of Columbia. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).

Where does Dr. Nicholas Duff Hazen practice?

Dr. Hazen practices at 3800 Reservoir NW Rd, Washington, DC 20007. Dr. Hazen's primary practice is Medstar Georgetown Medical Center in Washington, District of Columbia. Dmand AI also links Dr. Hazen to 2 medical groups.

What is Dr. Nicholas Duff Hazen's office phone number?

The practice phone on file for Dr. Hazen is (202) 444-1400.

What is Dr. Nicholas Duff Hazen's medical license number?

Dr. Hazen holds District of Columbia license MD046205, one of the licenses on file in 3 states.

Which states has Dr. Nicholas Duff Hazen been licensed in?

Dmand AI has state licenses on file for Dr. Hazen in District of Columbia, Maryland and Virginia.

What medical group is Dr. Nicholas Duff Hazen part of?

Dr. Hazen is linked to MedStar Medical Group. Dmand AI links Dr. Hazen to 2 more medical groups.

Does Dr. Nicholas Duff Hazen accept Medicare?

Yes. CMS data shows Dr. Hazen billed Medicare for 20 services in 2023, and Dr. Hazen accepts Medicare assignment.

What is Dr. Nicholas Duff Hazen's MIPS score?

Dr. Hazen's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.

How many Medicare patients does Dr. Nicholas Duff Hazen see?

CMS counts 17 Medicare patients who saw Dr. Hazen in 2024, with an average age of 64.

Show 6 more questionsShow fewer questions

What services does Dr. Nicholas Duff Hazen bill to Medicare?

In 2023, Dr. Hazen's most billed Medicare services were office visit, established patient (99215).

What drugs does Dr. Nicholas Duff Hazen prescribe most?

In 2022 Medicare Part D data, Dr. Hazen's most prescribed drugs by claims were Hydromorphone HCl.

Has Dr. Nicholas Duff Hazen received payments from drug or device companies?

CMS Open Payments shows $4,853 in general payments to Dr. Hazen from 19 companies from 2016 to 2024. The largest total came from Medtronic, Inc.

How long has Dr. Nicholas Duff Hazen been practicing?

Dr. Hazen graduated from medical school in 2014, 12 years ago.

Does Dr. Nicholas Duff Hazen do research?

Dmand AI links 6 publications to Dr. Hazen, published from 2021 to 2024.

Who does Dr. Nicholas Duff Hazen publish with?

Dr. Hazen's most frequent co-authors are Michael Auerbach, MD (1 shared paper), Neal Barnard, MD (1 shared paper) and Elizabeth A. Brunn, MD (1 shared paper).

Selling to obstetrics and gynecology practices?

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