Robert Alan Harf, MD FACS
Orthopaedic Surgery of the Spine Physician · Sonoma, CA
Robert Alan Harf, MD FACS is an orthopaedic surgery of the spine physician with a practice address in Sonoma, California, and NPI 1023128741, issued on Aug 30, 2006. Check the license (California A406260, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Alan Harf
- Credential
- MD FACS
- Primary taxonomy
- Orthopaedic Surgery of the Spine Physician 207XS0117X
- License numbers
- A406260 CA
A40626 CA
Self-reported in NPPES; status is on the state search - Practice location
- 181 Andrieux St Ste 111, Sonoma, CA 95476
- Phone
- (707) 996-8017
- Enumerated
- Aug 30, 2006
- Record last updated
- Feb 10, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (707) 996-8061
- Medicaid ID
- 00A406260 CA
- Medicare enrollment
- Enrolled (PECOS I20110121001039); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery of the spine physician records → All 314 in California → Look up another NPI →
Verify Robert Alan Harf in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A406260Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average orthopaedic surgery of the spine physician in 2024
103 Medicare Part D claims for 54 beneficiaries, against an average of 381 among the 1,714 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 42 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen35 claims
- Ibuprofen28 claims
- Gabapentin12 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,192.82
20 payments; by number, the most common kind was food and beverage; the largest payer was Zimmer Biomet Holdings, Inc. The 1,726 providers of this specialty with any payment received $34,071.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Robert Alan Harf among 314 orthopaedic surgery of the spine physician records in California
Robert Alan Harf, MD FACS is one of 314 orthopaedic surgery of the spine physician records with a practice address in California. 87% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 53% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1977 · median 2003 among the 226 with a school on file
- Record last updated2017 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XS0117X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery of the Spine Physician providers in California
There are 314 orthopaedic surgery of the spine physician records in California.
All 314 in California → Every provider in Sonoma → Orthopaedic Surgery of the Spine Physician nationwide →
The 8 orthopaedic surgery of the spine physician records with the nearest ZIP codes
- Grant Walker, MDArcata, CA 955211700923018
- Peter Pappas, M.D.Santa Rosa, CA 954041003980566
- Kevin Booth, M.D.Sonora, CA 953701104822832
- Ehsan Tabaraee, M.D.Modesto, CA 953501528394202
- Gabriel Garcia-Diaz, M.D.Merced, CA 953481184829442
- Elvert Nelson, M.D.Carmichael, CA 956081043391667
- Richard Barry, M.D.Davis, CA 956161285600478
- Ravi Ramachandran, M.D.Folsom, CA 956301528242757
Common questions
What is Robert Alan Harf, MD FACS's NPI number?
Robert Alan Harf, MD FACS's National Provider Identifier (NPI) is 1023128741, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Alan Harf, MD FACS located?
The NPPES record lists a practice address at 181 Andrieux St Ste 111, Sonoma, CA, 95476. Phone: (707) 996-8017. Providers update this record themselves, so call before visiting.
How can I verify Robert Alan Harf, MD FACS's license?
NPPES lists California license number A406260, 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 Robert Alan Harf, MD FACS prescribe under Medicare Part D?
In 2024, Robert Alan Harf, MD FACS had 103 Medicare Part D claims for 54 beneficiaries; the average among orthopaedic surgery of the spine physician prescribers was 381. Part D covers Medicare prescriptions only.
What is Robert Alan Harf, MD FACS'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.