Jacob Peter Zaemes

  • Washington, DC
  • Internist
NPI1598261182PAC ID5698210607
Medicare services, 2024
88
Medicare patients, 2024
55
Part D claims, 2024
105
Hospital affiliations
6
Medical groups
2
Practice address
50 Irving Street N.W., Washington, DC 20422
Practice phone
Call (202) 745-8000
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Washington DC VA Medical Center

Hospital · Washington, District of Columbia

See all 8 affiliations

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Jacob Peter Zaemes is an internist in Washington, District of Columbia

Jacob Zaemes practices at Washington DC VA Medical Center in Washington, District of Columbia, part of Veterans Health Administration.

Jacob Zaemes' NPI, 1598261182, was assigned on April 3, 2018. Jacob Zaemes graduated from Virginia Commonwealth University, School of Medicine in 2018. Jacob Zaemes holds District of Columbia license MD2000020.

NPI and contact details
Medicare PAC ID
5698210607
NPI enumeration date
April 3, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(202) 745-8000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
34
Medical school graduation
2018

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

Jacob Peter Zaemes practices at Washington DC VA Medical Center in Washington, District of Columbia

Jacob Zaemes' primary practice is Washington DC VA Medical Center, at 50 Irving Street N.W., Washington, DC 20422 in The District County. The practice phone is (202) 745-8000.

Source: Dmand AI Affiliation Data

Jacob Peter Zaemes is affiliated with 6 sites of care and 2 medical groups

Jacob Zaemes' primary practice is Washington DC VA Medical Center in Washington, District of Columbia, part of Veterans Health Administration. Jacob Zaemes is also affiliated with Beth Israel Deaconess Medical Center. The medical group on file is Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI also links Jacob Zaemes to 4 more hospitals and 1 medical group, each named with a free account.

See all 8 affiliations for Jacob Zaemes

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

Dmand AI tracks the EHR system at Jacob Peter Zaemes' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Jacob Zaemes practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Washington DC VA Medical CenterAvailable with a free account
+5 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Jacob Peter Zaemes is one of 660 internists in District of Columbia

Internal medicine is Jacob Zaemes' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Jacob Zaemes is licensed in District of Columbia.

Specialties and state licenses

  • Internal medicine, District of ColumbiaPrimaryLicense MD2000020 · taxonomy 207R00000X

Internists near Jacob Zaemes

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

Jacob Peter Zaemes billed Medicare for 88 services in 2024

CMS data shows 88 Medicare services from Jacob Zaemes across 4 procedure codes in 2024, all of them office visits, for 55 Medicare patients. Medicare paid $8,465 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202488
Medicare patients55
Paid by Medicare$8,465
Procedure codes4

Jacob Zaemes compared with the District of Columbia median for internists, 2024

  • Jacob Zaemes
  • District of Columbia median
Medicare services
88vs 35475% below
Medicare patients
55vs 15364% below
Part D claims
28vs 11075% below

Medians across 591 internists in District of Columbia with Dmand AI profiles that report each measure.

Jacob Zaemes' 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 Jacob Zaemes

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

Jacob Peter Zaemes treated 55 Medicare patients in 2024, average age 73

CMS counts 55 Medicare patients who saw Jacob Zaemes in 2024. The largest group is 65 to 74, with 29 patients. 75% of them have cancer, and 75% have high blood pressure. 27% are also on Medicaid. Their average risk score is 1.85, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Jacob Zaemes' median patient age at 74, with 13% women.

Medicare patients, 202455
Average age73
Average risk score1.85
Also on Medicaid27%

Jacob Zaemes' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Jacob Zaemes' Medicare patients, 2024

  1. Cancer75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Chronic kidney disease42%
  5. Diabetes38%
  6. Ischemic heart disease35%
  7. Arthritis31%
  8. Atrial fibrillation31%

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

Jacob Zaemes' patients across all payers

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

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women13%
  • Men86%

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

Jacob Peter Zaemes wrote 105 Medicare Part D claims in 2024

In 2024, Jacob Zaemes wrote 105 Medicare Part D claims for 34 patients. 61% of them were for generic drugs. CMS names the drug for 28 of them, across 1 drug with 11 or more claims each, at $77,151 in total drug cost. In 2022, CMS named 14 claims across 1 drug.

Part D claims, 2024105
Drugs named by CMS1
Total drug cost$77,151
Part D patients34

Jacob Zaemes' Part D claims by kind of drug, 2024

  • Generic64 claims61%
  • Brand-name41 claims39%

Jacob Zaemes' 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, 2022 to 2024

  • 2022
  • 2024
Claims for drugs CMS names
2022: 142024: 28100%

Drugs named by CMS: 1 in 2024, 1 in 2022.

See all prescribing by Jacob Zaemes

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

Jacob Peter Zaemes offers telehealth to Medicare patients

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

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Jacob Peter Zaemes graduated from Virginia Commonwealth University, School of Medicine

Jacob Zaemes graduated from Virginia Commonwealth University, School of Medicine in 2018.

  1. Medical schoolVirginia Commonwealth University, School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Jacob Peter Zaemes'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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Jacob Peter Zaemes

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Jacob Peter Zaemes' NPI number?

Jacob Peter Zaemes' NPI number is 1598261182. It was assigned on April 3, 2018, and it is active in the NPI Registry.

What does Jacob Peter Zaemes specialize in?

Jacob Peter Zaemes is an internist in Washington, District of Columbia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Jacob Peter Zaemes practice?

Jacob Zaemes practices at 50 Irving Street N.W., Washington, DC 20422. Jacob Zaemes' primary practice is Washington DC VA Medical Center in Washington, District of Columbia, part of Veterans Health Administration. Dmand AI also links Jacob Zaemes to 4 hospitals and 1 medical group.

What is Jacob Peter Zaemes' office phone number?

The practice phone on file for Jacob Zaemes is (202) 745-8000.

What is Jacob Peter Zaemes' medical license number?

Jacob Zaemes holds District of Columbia license MD2000020.

Which hospitals is Jacob Peter Zaemes affiliated with?

Jacob Zaemes practices at Washington DC VA Medical Center in Washington, District of Columbia. Jacob Zaemes is also affiliated with Beth Israel Deaconess Medical Center. Dmand AI links Jacob Zaemes to 4 more hospitals.

What medical group is Jacob Peter Zaemes part of?

Jacob Zaemes is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI links Jacob Zaemes to 1 more medical group.

Does Jacob Peter Zaemes accept Medicare?

Yes. CMS data shows Jacob Zaemes billed Medicare for 88 services in 2024, and Jacob Zaemes accepts Medicare assignment.

Does Jacob Peter Zaemes offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Jacob Zaemes as offering telehealth services.

How many Medicare patients does Jacob Peter Zaemes see?

CMS counts 55 Medicare patients who saw Jacob Zaemes in 2024, with an average age of 73.

Show 4 more questionsShow fewer questions

What services does Jacob Peter Zaemes bill to Medicare?

In 2024, Jacob Zaemes' most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, established patient (99213).

Where did Jacob Peter Zaemes go to medical school?

Jacob Zaemes graduated from Virginia Commonwealth University, School of Medicine in 2018.

What drugs does Jacob Peter Zaemes prescribe most?

In 2024 Medicare Part D data, Jacob Zaemes' most prescribed drugs by claims were Orgovyx.

How long has Jacob Peter Zaemes been practicing?

Jacob Zaemes graduated from medical school in 2018, 8 years ago.

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