NPPES file of Aug 9, 2026

Michael Shane Hamman, MD

MOHS-Micrographic Surgery Physician · San Diego, CA

Michael Shane Hamman, MD is a mohs-micrographic surgery physician with a practice address in San Diego, California, and NPI 1538346911, issued on Jan 28, 2008. Check the license (California A97551, as entered in NPPES) on the Medical Board of California; 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
1538346911
Name
Michael Shane Hamman
Credential
MD
Primary taxonomy
MOHS-Micrographic Surgery Physician 207ND0101X
License number
A97551 CA
Self-reported in NPPES; status is on the state search
Practice location
9339 Genesee Ave Ste 350, San Diego, CA 92121
Phone
(858) 454-4300
Enumerated
Jan 28, 2008
Record last updated
Dec 19, 2024
Fax
(858) 454-5088
Medicare enrollment
Enrolled (PECOS I20080611000730); accepts Medicare assignment
Medical or professional school
University Of Washington School Of Medicine, 2005
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 9339 Genesee Ave Ste 350

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

  1. Monica Boen, M.D.Dermatology Physician1508203563
  2. Robert Thiel, MDDermatology Physician1316514607

Verify Michael Shane Hamman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A97551
    Check 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
Open the California license search

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36% fewer Medicare Part D claims than the average mohs-micrographic surgery physician in 2024

365 Medicare Part D claims for 260 beneficiaries, against an average of 570 among the 1,396 providers of this specialty who prescribed in Part D. 36 claims were for opioids.

  1. Michael Hamman365
  2. Specialty average570

Most prescribed

  1. Doxycycline Hyclate215 claims
  2. Hydrocodone-Acetaminophen36 claims
  3. Cephalexin21 claims
  4. Imiquimod20 claims
  5. Sulfamethoxazole-Trimethoprim19 claims
  6. Fluorouracil14 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 practice group's MIPS final score for 2023 (Medicare payment program): 77.9 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score58.1
  2. Costout of 100 · 30%74.0
  3. Promoting interoperabilityout of 100 · 25%93.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $1,218.43

54 payments; by number, the most common kind was food and beverage; the largest payer was Sun Pharmaceutical Industries Inc. The 1,074 providers of this specialty with any payment received $4,075.23 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Michael Hamman$1,218.43
  2. Specialty average$4,075.23

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. J Robert West MD IncSan Diego, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

MOHS-Micrographic Surgery Physician providers in California

There are 164 mohs-micrographic surgery physician records in California.

Other mohs-micrographic surgery physician records in California

  1. Sumaira Aasi, MDStanford, CA1780675181
  2. Faud Abuabara, M.D.Mountain View, CA1164472890
  3. Ji Won Ahn, MDWalnut Creek, CA1023460243
  4. Adam Aronson, M.D.Sherman Oaks, CA1629465778
  5. Sarah Arron, M.D., PH.D.Burlingame, CA1255463725
  6. Jennifer Baron, MDSan Jose, CA1902927148
  7. Derek Beaulieu, MDSanta Barbara, CA1376033043
  8. Kourosh Beroukhim, M.D.Long Beach, CA1063866150
  9. Dina Bierman, M.D.Santa Monica, CA1659627115
  10. Jeffrey Binstock, MDMill Valley, CA1780677526

Common questions

What is Michael Shane Hamman, MD's NPI number?

Michael Shane Hamman, MD's National Provider Identifier (NPI) is 1538346911, issued on Jan 28, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Michael Shane Hamman, MD located?

The NPPES record lists a practice address at 9339 Genesee Ave Ste 350, San Diego, CA, 92121. Phone: (858) 454-4300. Providers update this record themselves, so call before visiting.

How can I verify Michael Shane Hamman, MD's license?

NPPES lists California license number A97551, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Michael Shane Hamman, MD prescribe under Medicare Part D?

In 2024, Michael Shane Hamman, MD had 365 Medicare Part D claims for 260 beneficiaries; the average among mohs-micrographic surgery physician prescribers was 570. Part D covers Medicare prescriptions only.

What is Michael Shane Hamman, MD's MIPS final score?

The 2023 MIPS final score is 77.9 of 100, reported for the practice group. 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.