DR. RAPHAEL B. MERRIMAN MD
NPI 1942258728
Internal Medicine - Transplant Hepatology in San Francisco, CA

Q: What is Raphael Merriman's NPI number?

The NPI number for Raphael Merriman is 1942258728. It was assigned to this individual provider in the NPPES registry on May 4, 2006.

Q: What is Raphael Merriman's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Transplant Hepatology, with taxonomy code 207RT0003X.

Q: When was this NPI record last updated?

The NPPES record for Raphael Merriman was last updated on October 28, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.

Active since May 04, 2006PECOS EnrolledAccepts Medicare Assignment

1100 VAN NESS AVE, SAN FRANCISCO, CA 94109(415) 600-1000(415) 558-7051 Get Directions Write a Review

NPPES record last updated: October 28, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 28, 2022, Nov 13, 2020 (2 updates tracked since 2020).

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About Dr. Raphael B. Merriman Md NPPES

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

DR. RAPHAEL B. MERRIMAN MD (NPI 1942258728) is an individual transplant hepatology provider in San Francisco, California, licensed in California (070327) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1990).

NPPES Registry Identity

NPI1942258728

Entity TypeIndividualMale

Primary Taxonomy207RT0003X

Provider Legal NameDR. RAPHAEL B. MERRIMANCredential: MD

Location Address1100 VAN NESS AVESan Francisco, CA 94109-6978

Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (415) 600-1000 · Fax (415) 558-7051

Phone(415) 600-1000

Fax(415) 558-7051

Sole ProprietorNo

Medical School CMSOtherGraduated 1990

Enumeration DateMay 4, 2006

Last NPPES UpdateOctober 28, 20222 updates tracked since enumeration

NPPES CertifiedOctober 28, 2022

✔ NPI 1942258728 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Transplant HepatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RT0003X

License✔ Licensed in CA · 070327

Definition

An internist with special knowledge and the skill required of a gastroenterologist to care for patients prior to and following hepatic transplantation that spans all phases of liver transplantation. Selection of appropriate recipients requires assessment by a team having experience in evaluating the severity and prognosis of patients with liver disease.

Also ListedInternal Medicine · GastroenterologyTaxonomy 207RG0100X · License 070327 (CA)

1100 VAN NESS AVE, San Francisco, CA 94109

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Other Identifiers 2

Medicaid0H4165600CA

OtherA70327CA · State Medical License

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Raphael B. Merriman Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5991702177

PECOS Enrollment IDI20061031000571

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.

Medicare Billing Reassignment

Medicare enrollment records show Raphael Merriman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sutter Bay Medical Foundation

15 mi

Multi-Specialty

12 CAMINO ENCINAS
Orinda, CA 94563

Reassigned Medicare billing, California enrollment
4,479 clinicians in this Medicare group

NPI 1366898538 (510) 204-8180

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 10

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

299 services78 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

255 services160 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

184 services91 patients

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.

70 services55 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

60 services57 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

47 services47 patients

Referred Medical Equipment & Supplies CMS DME claims 9

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

Tacrolimus, immediate release, oral, 1 mg J7507

Treatment-Treatment - Miscellaneous · category RX029N

19 suppliers313 claims36,058 services$0.30 avg. paid by Medicare

Prednisone, immediate release or delayed release, oral, 1 mg J7512

Treatment-Treatment - Miscellaneous · category RX029N

3 suppliers45 claims12,069 services$0.01 avg. paid by Medicare

Cyclosporine, oral, 25 mg J7515

Treatment-Treatment - Miscellaneous · category RX029N

2 suppliers11 claims1,800 services$0.61 avg. paid by Medicare

Mycophenolate mofetil, oral, 250 mg J7517

Treatment-Treatment - Miscellaneous · category RX029N

10 suppliers101 claims14,520 services$0.20 avg. paid by Medicare

Mycophenolic acid, oral, 180 mg J7518

Treatment-Treatment - Miscellaneous · category RX029N

4 suppliers47 claims6,240 services$0.96 avg. paid by Medicare

Sirolimus, oral, 1 mg J7520

Treatment-Treatment - Miscellaneous · category RX029N

2 suppliers24 claims1,054 services$2.69 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 20

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

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