Peter D. Holback, PA-C
- Medicare patients, 2024
- 32
- Part D claims, 2024
- 86
- MIPS score, 2024
- 83
- Hospital affiliations
- 2
- Medical group
- 1
- Practice address
- 4940 Eastern Avenue, Baltimore, MD 21224
- Practice phone
- Call (410) 550-0123
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Peter Holback's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Peter D. Holback is a surgical physician assistant in Baltimore, Maryland
Peter Holback practices at Johns Hopkins Bayview Medical Center in Baltimore, Maryland, part of Johns Hopkins Health System.
Peter Holback's NPI, 1134361520, was assigned on March 31, 2009. Peter Holback holds Maryland license C-1037.
- NPI
- 1134361520NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335392745
- NPI enumeration date
- March 31, 2009
- NPI status
- Active
- Practice phone
- (410) 550-0123
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Peter D. Holback practices at Johns Hopkins Bayview Medical Center in Baltimore, Maryland
Peter Holback's primary practice is Johns Hopkins Bayview Medical Center, at 4940 Eastern Avenue, Baltimore, MD 21224 in Baltimore City. The practice phone is (410) 550-0123.
- Johns Hopkins Bayview Medical Center4940 Eastern Avenue, Baltimore, MD 21224 · Baltimore CityPhone(410) 550-0123
Source: Dmand AI Affiliation Data
Peter D. Holback is affiliated with 2 sites of care and 1 medical group
Peter Holback's primary practice is Johns Hopkins Bayview Medical Center in Baltimore, Maryland, part of Johns Hopkins Health System. Peter Holback is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins University.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Peter D. Holback's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Peter Holback practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Johns Hopkins Bayview Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Johns Hopkins Health System and 6.2K+ hospitals, with verified contacts in the same login.
Peter D. Holback is one of 275 surgical physician assistants in Maryland
Surgical is Peter Holback's primary specialty in the NPI Registry, under taxonomy code 363AS0400X. Peter Holback is licensed in Maryland.
Specialties and state licenses
- Surgical physician assistant, MarylandPrimary
Surgical physician assistants near Peter Holback
Counts of surgical physician assistants 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
Peter D. Holback treated 32 Medicare patients in 2024, average age 67
CMS counts 32 Medicare patients who saw Peter Holback in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have diabetes, and 75% have high blood pressure. 38% are also on Medicaid. Their average risk score is 5.71, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Peter Holback's median patient age at 71, with 45% women.
Peter Holback's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Peter Holback's Medicare patients, 2024
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease72%
- Ischemic heart disease59%
- Heart failure44%
- Arthritis41%
- Mood disorders34%
Share of Medicare patients with each condition. A patient can have several.
Peter Holback's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Peter D. Holback wrote 86 Medicare Part D claims in 2024
In 2024, Peter Holback wrote 86 Medicare Part D claims for 43 patients. 94% of them were for generic drugs.
Peter Holback's Part D claims by kind of drug, 2024
- Generic81 claims94%
- Brand-name and other5 claims6%
Drug classes CMS tracks in Peter Holback's Part D claims, 2024
- Opioids44%38 of 86 claims
- Antibiotics16%14 of 86 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Peter D. Holback 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 Peter Holback for performance year 2024, reported as part of a group.
Peter Holback's MIPS scores, performance year 2024
- 83of 100Final score
- 73.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 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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Sources for Peter D. Holback's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Peter D. Holback
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Peter D. Holback's NPI number?
Peter D. Holback's NPI number is 1134361520. It was assigned on March 31, 2009, and it is active in the NPI Registry.
What does Peter D. Holback specialize in?
Peter D. Holback is a surgical physician assistant in Baltimore, Maryland. The primary specialty in the NPI Registry is Surgical Physician Assistant (taxonomy code 363AS0400X).
Where does Peter D. Holback practice?
Peter Holback practices at 4940 Eastern Avenue, Baltimore, MD 21224. Peter Holback's primary practice is Johns Hopkins Bayview Medical Center in Baltimore, Maryland, part of Johns Hopkins Health System.
What is Peter D. Holback's office phone number?
The practice phone on file for Peter Holback is (410) 550-0123.
What is Peter D. Holback's medical license number?
Peter Holback holds Maryland license C-1037.
Which hospitals is Peter D. Holback affiliated with?
Peter Holback practices at Johns Hopkins Bayview Medical Center in Baltimore, Maryland. Peter Holback is also affiliated with The Johns Hopkins Hospital.
What medical group is Peter D. Holback part of?
Peter Holback is linked to Johns Hopkins University.
What is Peter D. Holback's MIPS score?
Peter Holback's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
How many Medicare patients does Peter D. Holback see?
CMS counts 32 Medicare patients who saw Peter Holback in 2024, with an average age of 67.
How long has Peter D. Holback been practicing?
Peter Holback graduated from medical school in 1987, 39 years ago.
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