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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MICHAEL T TEMKIN D.O.
NPI 1194787929
Internal Medicine in San Ramon, CA

Active since April 05, 2006PECOS EnrolledCLIA 05D0972612 · Microscopy
81.53/100
CMS Quality Rating
1081 MARKET PL, #300, SAN RAMON, CA 94583(925) 866-3900(925) 866-3901 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Michael T Temkin D.o. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MICHAEL T TEMKIN D.O. (NPI 1194787929) is an individual internal medicine provider in San Ramon, California, licensed in California (20A6924) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, holds a CLIA Microscopy certificate valid through October 26, 2026, and is a graduate of Other (1995).

NPPES Registry Identity

NPI1194787929
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. MICHAEL T TEMKINCredential: D.O.
Location Address1081 MARKET PL, #300San Ramon, CA 94583-4773
Mailing Address1081 Market Pl, #300San Ramon, CA 94583-4773 · (925) 866-3900 · Fax (925) 866-3901
Phone(925) 866-3900
Fax(925) 866-3901
Sole ProprietorNo
Medical School CMSOtherGraduated 1995
Enumeration DateApril 5, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1194787929 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · 20A6924
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1081 MARKET PL, San Ramon, CA 94583
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Michael T Temkin D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1759332141
PECOS Enrollment IDI20050202000942
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D0972612

Michael Temkin, Do, A Medical Corporation · San Ramon, CA
Active · expires Oct 26, 2026
CLIA Number05D0972612
Laboratory TypePhysician Office
Certificate Effective DateOctober 27, 2024
Certificate Expiration DateOctober 26, 2026
Laboratory DirectorMichael T. Temkin, Do
Laboratory Phone(925) 866-3900
Laboratory LocationMichael Temkin, Do, A Medical Corporation1081 Market Place, Suite 300, San Ramon, CA 94583
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
466 services265 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
199 services199 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
180 services172 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
133 services102 patients
Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous G0328
A fecal occult blood test is a screening tool for colorectal cancer. It checks for tiny amounts of blood in your stool that can't be seen with the naked eye. The immunoassay method can test 1-3 samples at once. This helps detect cancer early, when treatment is most effective.
124 services124 patients
Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
82 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94583 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

81.53/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality97.31
Promoting Interoperability100
Improvement Activities40
Cost41.13

Reported Quality Measures

Appropriate Use of DXA Scans in Women Under 65 Years Who Do Not Meet the Risk Factor Profile for Osteoporotic Fracture
Lower rates are better for this measure.
0%49 patients
Breast Cancer Screening
72%181 patients4/55-star benchmark: 93%
Cervical Cancer Screening
35%123 patients2/55-star benchmark: 98%
Colorectal Cancer Screening
78%579 patients4/55-star benchmark: 88%
Controlling High Blood Pressure
84%329 patients4/55-star benchmark: 91%
Diabetes: Eye Exam
39%80 patients2/55-star benchmark: 100%
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%)
Lower rates are better for this measure.
23%80 patients4/55-star benchmark: 91%
Documentation of Current Medications in the Medical Record
92%1,828 patients4/55-star benchmark: 100%
e-Prescribing
100%2,373 patients5/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
5%479 patients1/55-star benchmark: 100%
HIV Screening
16%444 patients2/55-star benchmark: 60%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
35%899 patients2/55-star benchmark: 98%
Preventive Care and Screening: Screening for Depression and Follow-Up Plan
3%757 patients1/55-star benchmark: 97%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Patients combinedPopulations: 86% · 707 patients
Patients screened: 90% · 707 patients
6%31 patients1/55-star benchmark: 100%
Provide Patients Electronic Access to Their Health Information
100%760 patients5/55-star benchmark: 100%
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease
80%241 patients4/55-star benchmark: 91%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
8 suppliers16 claims40 services$5.63 avg. paid by Medicare
Enteral feeding supply kit; syringe fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4034
Other-Enteral and Parenteral · category OB006N
3 suppliers11 claims330 services$2.63 avg. paid by Medicare
Enteral formula, nutritionally complete, calorically dense (equal to or greater than 1.5 kcal/ml) with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4152
Other-Enteral and Parenteral · category OB006N
3 suppliers11 claims6,193 services$0.27 avg. paid by Medicare
Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$14.99 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$69.20 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. HELEN E. MATTHEWS M.D.
Obstetrics & Gynecology
1081 MARKET PL, SUITE 500
SAN RAMON, CA 94583
Contra Costa County (925) 452-6644
RONALD E. COOPER, M.D., INC.
Surgery
1081 MARKET PL, STE 600
SAN RAMON, CA 94583
Contra Costa County (925) 830-0852
DR. TAPASHI DEV ROY M.D.,MRCP,FAAP
Pediatrics
1081 MARKET PL
SAN RAMON, CA 94583
Contra Costa County (925) 275-0404
DIMPLE K.A. MARWAHA DPM
Podiatrist (Foot & Ankle Surgery)
1081 MARKET PL, SUITE 200
SAN RAMON, CA 94583
Contra Costa County (925) 866-8800
SURESH K SACHDEVA M.D.
Pediatrics
1081 MARKET PL, #800
SAN RAMON, CA 94583
Contra Costa County (925) 275-0404
DR. JATINDER PAL SINGH MARWAHA M.D.
Internal Medicine (Sleep Medicine)
1081 MARKET PL, SUITE 200
SAN RAMON, CA 94583
Contra Costa County (925) 866-8800
DR. JAGTAR S DHESI DC ACHIROPRACTICCORP
Chiropractor
1081 MARKET PL, SUITE 100
SAN RAMON, CA 94583
Contra Costa County (925) 275-9350
MICHAEL T. TEMKIN DO, A MEDICAL CORPORATION
Internal Medicine
1081 MARKET PL, #300
SAN RAMON, CA 94583
Contra Costa County (925) 866-3900

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Temkin's NPI number?

The NPI number for Michael Temkin is 1194787929. It was assigned to this individual provider in the NPPES registry on April 5, 2006.

Where is Michael Temkin located?

Michael Temkin practices at 1081 Market Pl #300, San Ramon, CA 94583. The listed phone number is (925) 866-3900.

What is Michael Temkin's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Michael Temkin enrolled in Medicare?

Yes. Michael Temkin is registered in the Medicare PECOS enrollment system.

Does Michael Temkin hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 05D0972612) is associated with this NPI, valid through October 26, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Michael Temkin was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.