Dr. Gregory Paul Harbach, MD

  • Norfolk, VA
  • Orthopedic surgeon
NPI1679558290
Medicare services, 2023
773
Medicare patients, 2024
17
Part D claims, 2024
25
MIPS score, 2024
88
Hospital affiliations
1
Practice address
600 Gresham Dr, Norfolk, VA 23507
Practice phone
Call (757) 388-3000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Sentara Norfolk General Hospital

Hospital · Norfolk, Virginia

See all 2 affiliations

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Dr. Gregory Paul Harbach is an orthopedic surgeon in Norfolk, Virginia

Dr. Harbach practices at Sentara Norfolk General Hospital in Norfolk, Virginia, part of Sentara Health.

Dr. Harbach's NPI, 1679558290, was assigned on December 7, 2005. Dr. Harbach holds Nevada license 16162.

NPI and contact details
NPI enumeration date
December 7, 2005
NPI status
Active
Practice phone
(757) 388-3000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
58
Medical school graduation
1994

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

Dr. Gregory Paul Harbach practices at Sentara Norfolk General Hospital in Norfolk, Virginia

Dr. Harbach's primary practice is Sentara Norfolk General Hospital, at 600 Gresham Dr, Norfolk, VA 23507 in Norfolk City. The practice phone is (757) 388-3000.

Source: Dmand AI Affiliation Data

Dr. Gregory Paul Harbach is affiliated with 2 sites of care

Dr. Harbach's primary practice is Sentara Norfolk General Hospital in Norfolk, Virginia, part of Sentara Health. Dmand AI also links Dr. Harbach to 1 hospital outpatient department, named with a free account.

See all 2 affiliations for Dr. Harbach

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Gregory Paul Harbach's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Harbach practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Sentara Norfolk General HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gregory Paul Harbach is one of 498 orthopedic surgeons in Virginia

Orthopaedic surgery is Dr. Harbach's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dmand AI has Dr. Harbach's licenses on file in 2 states: Nevada and Missouri.

Specialties and state licenses

  • Orthopaedic surgery, NevadaPrimaryLicense 16162 · taxonomy 207X00000X
  • Orthopaedic foot and ankle surgery, MissouriLicense 2013001919 · taxonomy 207XX0004X

Orthopedic surgeons near Dr. Harbach

Counts of orthopedic surgeons 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. Gregory Paul Harbach billed Medicare for 773 services in 2023

CMS data shows 773 Medicare services from Dr. Harbach across 16 procedure codes in 2023, for 17 Medicare patients. Medicare paid $52,294 for them.

Medicare services, 2023773
Medicare patients17
Paid by Medicare$52,294
Procedure codes16

Dr. Harbach's Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Imaging
2022: 1152023: 269134%
Office and hospital visits
2022: 3222023: 26318%
Drugs given in the office
2022: 622023: 156152%
Surgery
2022: 402023: 85113%

Where Dr. Harbach's Medicare services took place, 2023

  • In an office72794%
  • In a facility466%

Dr. Harbach compared with the Virginia median for orthopedic surgeons, 2023

  • Dr. Harbach
  • Virginia median
Medicare services
773vs 1,17034% below
Medicare patients
17vs 37095% below
Part D claims
14vs 12188% below

Medians across 475 orthopedic surgeons in Virginia with Dmand AI profiles that report each measure.

Dr. Harbach'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. Harbach

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

Dr. Gregory Paul Harbach treated 17 Medicare patients in 2024, average age 75

CMS counts 17 Medicare patients who saw Dr. Harbach in 2024. 71% of them have arthritis, and 65% have high blood pressure. Their average risk score is 0.80, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Harbach's median patient age at 60, with 30% women.

Medicare patients, 202417
Average age75
Average risk score0.80

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

  1. Arthritis71%
  2. High blood pressure65%
  3. High cholesterol65%

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

Dr. Harbach'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

  • Women30%
  • Men70%

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

Dr. Gregory Paul Harbach wrote 25 Medicare Part D claims in 2024

In 2024, Dr. Harbach wrote 25 Medicare Part D claims for 16 patients. 100% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $49 in total drug cost. In 2023, CMS named 279 claims across 4 drugs.

Part D claims, 202425
Drugs named by CMS1
Total drug cost$49
Part D patients16

Dr. Harbach'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2792024: 1495%

Drugs named by CMS: 1 in 2024, 4 in 2023.

See all prescribing by Dr. Harbach

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. Gregory Paul Harbach scored 88 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 88 out of 100 for Dr. Harbach for performance year 2024, reported as part of a group.

Dr. Harbach's MIPS scores, performance year 2024

  • 88of 100Final score
  • 77.6of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 78of 100Cost

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

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Gregory Paul Harbach received $341 in industry payments from 2016 to 2024

CMS Open Payments shows 12 general payments to Dr. Harbach from 5 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $134.

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

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

Share is of all general payments to this clinician.

See all payments to Dr. Harbach

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

Sources for Dr. Gregory Paul Harbach'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 DataDmand AI Org Hierarchy 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 percentilesClinician Public Reporting: Overall MIPS Performance (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. Gregory Paul Harbach

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. Gregory Paul Harbach's NPI number?

Dr. Gregory Paul Harbach's NPI number is 1679558290. It was assigned on December 7, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Gregory Paul Harbach?

Dr. Gregory Paul Harbach is an orthopedic surgeon in Norfolk, Virginia. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).

Where does Dr. Gregory Paul Harbach practice?

Dr. Harbach practices at 600 Gresham Dr, Norfolk, VA 23507. Dr. Harbach's primary practice is Sentara Norfolk General Hospital in Norfolk, Virginia, part of Sentara Health. Dmand AI also links Dr. Harbach to 1 hospital outpatient department.

What is Dr. Gregory Paul Harbach's office phone number?

The practice phone on file for Dr. Harbach is (757) 388-3000.

What is Dr. Gregory Paul Harbach's medical license number?

Dr. Harbach holds Nevada license 16162, one of the licenses on file in 2 states.

Which states has Dr. Gregory Paul Harbach been licensed in?

Dmand AI has state licenses on file for Dr. Harbach in Nevada and Missouri.

Which hospitals is Dr. Gregory Paul Harbach affiliated with?

Dr. Harbach practices at Sentara Norfolk General Hospital in Norfolk, Virginia.

Does Dr. Gregory Paul Harbach accept Medicare?

Yes. CMS data shows Dr. Harbach billed Medicare for 773 services in 2023.

What is Dr. Gregory Paul Harbach's MIPS score?

Dr. Harbach's MIPS final score for performance year 2024 is 88 out of 100, reported as part of a group.

How many Medicare patients does Dr. Gregory Paul Harbach see?

CMS counts 17 Medicare patients who saw Dr. Harbach in 2024, with an average age of 75.

Show 4 more questionsShow fewer questions

What services does Dr. Gregory Paul Harbach bill to Medicare?

In 2023, Dr. Harbach's most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99213) and diagnostic imaging (73030).

What drugs does Dr. Gregory Paul Harbach prescribe most?

In 2024 Medicare Part D data, Dr. Harbach's most prescribed drugs by claims were Meloxicam.

Has Dr. Gregory Paul Harbach received payments from drug or device companies?

CMS Open Payments shows $341 in general payments to Dr. Harbach from 5 companies from 2016 to 2024. The largest total came from Stryker Corporation.

How long has Dr. Gregory Paul Harbach been practicing?

Dr. Harbach graduated from medical school in 1994, 32 years ago.

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