NPPES file of Aug 9, 2026

Jan J. Kraemer, M.D.

Pain Medicine (Anesthesiology) Physician · San Juan, PR

Jan J. Kraemer, M.D. is a pain medicine (anesthesiology) physician with a practice address in San Juan, Puerto Rico, and NPI 1851336440, issued on Jun 18, 2006. Check the license with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1851336440
Name
Jan J. Kraemer
Credential
M.D.
Primary taxonomy
Pain Medicine (Anesthesiology) Physician 207LP2900X
License number
227383 MA
Self-reported in NPPES; status is on the state search
Practice location
311 Ave Domenech, San Juan, PR 00918
Phone
(787) 675-0050
Enumerated
Jun 18, 2006
Record last updated
Sep 30, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(888) 664-2337
Medicare enrollment
Enrolled (PECOS I20090902000370); accepts Medicare assignment
Medical or professional school
University Of Puerto Rico School Of Medicine, 2002
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 311 Ave Domenech

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dorian Lopez-Bracetty, MDInterventional Pain Medicine Physician1184848210
  2. Gladys Ramos-MaldonadoOrthopaedic Surgery Physician1497873491

Verify Jan J. Kraemer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Puerto Rico board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Puerto Rico license search

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3.9 times the Medicare Part D claims of the average pain medicine (anesthesiology) physician in 2024

6,909 Medicare Part D claims for 1,632 beneficiaries, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims. 2,692 claims were for opioids.

  1. Jan Kraemer6,909
  2. Specialty average1,750

Most prescribed

  1. Oxycodone-Acetaminophen1,440 claims
  2. Tramadol Hcl925 claims
  3. Baclofen767 claims
  4. Methylprednisolone512 claims
  5. Gabapentin432 claims
  6. Meloxicam349 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 0 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score0.0
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Jan J. Kraemer among 24 pain medicine (anesthesiology) physician records in Puerto Rico

Jan J. Kraemer, M.D. is one of 24 pain medicine (anesthesiology) physician records with a practice address in Puerto Rico. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 17% of them.

  • NPI issued2006 · 17% of these records are older, 33% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2002 · median 1996 among the 17 with a school on file
  • Record last updated2010 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pain Medicine (Anesthesiology) Physician providers in Puerto Rico

There are 24 pain medicine (anesthesiology) physician records in Puerto Rico.

The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes

  1. Aurea Negron Valcarcel, M.D., FIPPHato Rey, PR 009181003806670
  2. Amneris Lugo Rivera, M.D.San Juan, PR 009171992912893
  3. Lourdes Medina Fiol, M.D.Rio Piedras, PR 009191093755613
  4. Eduardo Irizarry Nieves, M.D.San Juan, PR 009201972035269
  5. Jose Oller Lopez, MDSan Juan, PR 009211588765788
  6. Yemina Ramos, M.DSan Juan, PR 009211043473663
  7. Veronica Key-Oyola, M.D.San Juan, PR 009231558450759
  8. Jose Santos, M.D.Rio Piedras, PR 009351972563039

Common questions

What is Jan J. Kraemer, M.D.'s NPI number?

Jan J. Kraemer, M.D.'s National Provider Identifier (NPI) is 1851336440, issued on Jun 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jan J. Kraemer, M.D. located?

The NPPES record lists a practice address at 311 Ave Domenech, San Juan, PR, 00918. Phone: (787) 675-0050. Providers update this record themselves, so call before visiting.

How can I verify Jan J. Kraemer, M.D.'s license?

Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Jan J. Kraemer, M.D. prescribe under Medicare Part D?

In 2024, Jan J. Kraemer, M.D. had 6,909 Medicare Part D claims for 1,632 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. Part D covers Medicare prescriptions only.

What is Jan J. Kraemer, M.D.'s MIPS final score?

The 2023 MIPS final score is 0 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.